Catted vs catless downpipe b58 Features* Largest diameter downpipe for B58 wor *Fits all Gen 1 and Gen2 B58s (and supra)* Introducing the BimmerNetwork B58 High Flow Catless downpipe. High horsepower and torque gains. Jan 11, 2024 · Performance boost is intangible if you aren't on a track or drag strip. F30 is a sub dedicated to all things 2011 - 2019 BMW 3 series. I was wondering how the sound was going from catted to catless. Even deeper tones, even better sound, and improved turbo spool. B58 Mppsk + catted downpipe choice Looking to potentially put a catted downpipe on my 440i mppsk. Nov 29, 2021 · Catless downpipes with a tune usually net about 20-30 whp and 30-50 wtq. Shipped quick and fit like a charm. 5" CATLESS DOWNPIPE (M140I, M240I, 340I, 440I & 540I The VRSF 4. In sport it sounds great. Catless and high-flow catted downpipes are great options. com/TURBOSPOOLE85/I wanted to answer the question if there is in fact a difference in power between a high-flow cat downpipe, and a cat traditionally the catless downpipe made more power than the catted downpipe due to the cat material slowing down the air flow. Explore a comprehensive comparison between catted and catless downpipes, examining performance, emissions, sound, and other considerations that influence your choice. The new turbochargers on the B58 engines utilize a much larger 4. For catted I would do cobb but they might have stoped selling catted portion. be/MOHbEUMjgmk May 13, 2022 · This is what I plan to do too. ADD TO CART $ HKD; P MOP ¥ CNY $ TWD $ USD $ SGD € EUR $ AUD £ GBP Want to install a downpipe on your B58 equipped BMW, but still need to pass emissions? Evolution Racewerks has the answer for you with their B58 Catted downpipe. downpipe kit with 200CPSI racing catalytic converter or without catalytic converter for BMW B58 engine. Made from T304 stainless steel and precision-designed using CAD technology, this performance upgrade replaces the restrictive factory downpipe, resulting in improved exhaust flow and impressive power gains. To avoid the check engine light, you need a flash tune or O2 spacers/extenders. Spacers/extenders will work on any brand downpipe, you might as well get the cheapest good quality downpipe you can find. This is a TRUE 4. Aug 27, 2023 · B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons Catless down pipe vs catted. Aug 5, 2021 · I also have a B58 and yes we have a lot to choose from when it comes to downpipe on that platform. This makes them a more environmentally responsible choice and ensures compliance with emissions testing in many Mar 19, 2020 · The downpipe is not as loud as the catless downpipes, but it is significantly much louder than stock DP. They also promised to replace it if there was one The first time I got a CEL (unrelated to Downpipe) they were very helpful and were ready to replace it when I called. It was $1400 for just the pipe Mar 20, 2020 · The downpipe is not as loud as the catless downpipes, but it is significantly much louder than stock DP. Come on. Dec 10, 2024 · Emissions and Environmental Impact Emission control is one of the most significant differences between catted and catless downpipes. Running with AFe Magnum Force intake and BM3 stage 2 ACN91. Is any reason to choose one over another? Titan Project Gamma VRSF A little more volume while still being in daily territory is definitely a catless downpipe, or resonator delete, but probably not both. There are so many options in the market ranging from. instagram. There is still some smell, but significantly better compared to catless setup. Considering to possibly go catted downpipe in order to get more spool/turbo and burbles/gunshots noise. BUSINESS HOURS 7am-5pm Pacific Time Sep 17, 2023 · There is no power difference on stock cars between catless and high-flow catted. $250-$450. Call Us 725-221-5267 | About Us | Reviews Oct 29, 2019 · I chose the Wagner catted downpipe for it's cast turbine housing connection and it was one of the few I could confirm fit at the time. B58 5 Inch Stainless Steel Downpipe Upgrade is currently on backorder. Apr 7, 2020 · B46/B48 Catless vs High-Flow Catted Downpipe Catless downpipes are the least restrictive option, and will therefore provide the best power gains. We use a 200cel because it flows almost like a catless. It provides additional performance but still keeps the emission, noise and smell acceptable. See full list on bmwtuning. Customization: Catted downpipes offer customization options with various catalytic converter types and sizes. The active autowerke downpipes use EPA-approved GESI cats; you are much more likely to pass emissions with these downpipes. Minimizing back pressure while retaining daily drive-ability was the goal of our B58 downpipe. May 15, 2024 · Depends on the catted downpipe but I would say our catless is about 30-40% louder +- 10% depending on the rest of the exhaust. Catless options will completely remove the catalytic converter while high-flow options will use an upgraded or higher performance cat that is less restrictive than the OEM system. Bringing even more performance & exciting exhaust sounds to your vehicle. Video: Pics: The CTS Turbo Catless Downpipe BMW B58 is made to maximize exhaust flow for highest power gains. 1. An aftermarket catted dp uses a high flow cat with fewer, wider cells. 5" Catted Downpipe So either deal with a CEL or you need to go a 400cel dp. B58 downpipes. Because catted downpipes contain a catalytic converter, they significantly reduce harmful pollutants. go catless or run normal pop/burbles The real difference is catless will be a bit louder and more raspy than catted which is louder and more raspy than the stock DP. back to the point of the thread: Downpipe!! I want to run Stage2 and push for around 460 horses, so a pipe is definitely needed. Recently sold my ER catted and went with the ER catless after swapping in a larger turbo. Apr 27, 2024 · Catted (high flow): Good ones won't trigger the CEL, and have marginally less performance than catless. Mar 20, 2021 · The Fabspeed is the best because it uses an HJS cat which are the best in the world. They are also cheaper to produce since the catalytic substrate costs a good deal of money, plus the fitment of a strait section of wider pipe always makes plumbing more difficult than the simple strait piping of a catless design. They offer more performance and generally cost less. Features * Largest diameter downpipe for B58 worldwide * 6" diameter Euro 6 400 cell catalytic converter * No CEL guarantee This is for there 2020 M40i B58. Nov 5, 2023 · Sound clip differences between catless and catted downpipes. That takes any guesswork right out of it for me. The catted downpipe is an APR and the Catless is ARM. Previously I have flow tested the Trackslag catted vs ARM catless downpipes and airflow increased by ~20% with the catless downpipe. We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. Catless is louder than both but also raspy and generates a fuel smell. 15-20+ wheel horsepower gains, aggressive exhaust note, faster turbo spool. The B58 downpipe fits the BMW M140I, M240I, 340I, 440I, 540I, 640I, 740I, 545E, 745E, X3 X4 40i and Toyota Supra MK5 In this video, ill show you How To Install A Downpipe On Your BMW B58 M340i! Active Autowerke Catted DownpipeProducts as seen in this video:Active Autowerke Mar 5, 2023 · Hey guys. Jan 10, 2024 · There's a few, essentially any that use a 400cel GESI cat. The 5" versions will give the CEL, and sound horrible (boomy raspy sound). Suitable for BMW/Toyota B58 3. I suspect other catted downpipes aren't as good or they would publish testing. Even if you have a 2024 - pay to get an unlock and get a tune and a catless dp - won't cost much more than an AA and you get a LOT more benefit - a LOT. So if you aren't dropping 10k on performance mods and don't mind having the car on jack stands once every month or two then catless really isn't doing anything for you. I like catted. I'd run this aFe uncatted I have but they made some mistakes with this thing and they want me to pay for shipping to return it! With our downpipe kit, you are relying on quality and innovation. Works very well on Stage 2, 2 Jun 10, 2021 · That delta is even smaller when you're looking at a high quality catted downpipe. The increased volume and improved turbo spool Yes, a catless downpipe will sound noticeably more aggressive. 0T (BW-5808DP) US$1,388. high-flow cat debate is a hot topic in the automotive world. In terms of power output, it is a misconception that a Catless Downpipe automatically makes more power than the High Flow Catted Version. Therefore, catless DP’s will result in the best power gains and quickest turbo spool. S58 Downpipe Performance Gains The ARM 6" B58 Catted Downpipe is perfect if you're looking for all of the performance of a Catless B58 Downpipe without the odor associated with increased emissions. That is not correct. Manufactured from T304 stainless Read More "CTS Turbo 4. Having gone through VRSF catted to Evolution Racing catless and back to OEM, I decided to try the AFe catted downpipe because it was cheap from x-ph. The catalytic converters are engineered to deliver maximum flow and minimal back pressure, which results in a noticeable improvement in engine sound and overall driving experience. 5" vs 5" catless downpipe Google Search Search Forums Catless gets you more hp, I would suggest grimspeed but catted is epa friendly so if you have to do emmisions test every year I would do catted. The reduced back pressure results in a faster spool. Features: Oct 5, 2020 · Catted downpipe should be daily drivable. Just don't run aggressive burbles with any aftermarket high flow catted dp. 0L - (NO LONGER AVAILABLE) Any of ApexBuilt's catless race downpipes WILL NOT be sold in, or We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. Thanks. With catted downpipe you can also pass the visual inspection or pop up inspection that uses OBD2. Sounds much louder with extra performance you can feel. You can either go for a catted downpipe or a catless downpipe. Experience an incredible sporty exhaust sound without compromising on cruising BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > VRSF catless downpipe and Bootmod3 Stage 2 review (with pics and video/sound) I’m look for recommendations on the best catless downpipe for a 2018 340i B58M. On the other hand, S63 catless downpipes have absolutely no catalytic converters. In today's episode, we install one of the easiest downpipes on any BMW, this one specifically is on an 2018 F30 340i with the infamous B58 engine. I'm trying to avoid having to tune my car to stage 0 or 1 in order to get rid of the CEL Mar 24, 2020 · Catless vs. Most catted downpipes come with a “high flow sports cat”, which are less restrictive catalytic converters that allow for improved performance while still passing emission tests. Please be aware, Wagner Tuning now offer 3 different downpipes for the B58:Catless, catted with 200 CEL, Catted with 300 CEL (HJS Cats) Downpipe Kit with HJS-ECE-300CPSI Racing catalyst for BMW M140i 340i & 440i Personally I went Invidia Catted Downpipe (mainly because a deal came about that I didn't want to pass up). N63 Catless Downpipes vs High-Flow Catted Downpipes. Nov 26, 2023 · This video shows the difference between stock exhaust and stock exhaust with an Active Autowerke catted downpipe. Product Details. com and would like to share my experience. Should work the same vise versa. May 15, 2023 · The stock downpipe was fairly easy to remove however the most time consuming parts was getting the v-band clamp on without the gasket falling off and pushing the the stock mid-pipe onto the downpipe. The Description. What do you think sounds better? MKV Toyota Supra GR A90 Downpipe Products Collection We offer the full selection of catted and catless downpipe options for your MKV Toyota Supra GR A90 / A91. Current have a 440i coupe with MPPSK. Nick Discover the key differences between catted and catless downpipes for your BMW. A catless downpipe is one that is not fitted with a catalytic converter. Our B58 Catted Downpipe design incorporates a 6" high-flow 200 cell ceramic catalytic converter, making it a standout choice for those seeking power without while reducing emissions. This downpipe is THE best bang for the buck mod available. I think user B58 had the 5" catted downpipe but recently switched to the 4. 6" B58 Catted Downpipe - 240i 340i 440i 540i 640i 740 Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of The standard catted downpipe is unlikely to pass emission in most states since they trigger the check engine light. Orders received by noon EST on business days are shipped the same day Went with catless on my F10 535i Unfortunately if you daily the car the smell is quite unpleasant (feels like/worse than a diesel). Quality from ER has always been outstanding. Imo the sound is so much better from catted vs catless that any gain from catless which isn't much anymore isn't worth it Product Details. Jun 29, 2020 · However, worry not. So, it really comes to your personal preference and goals while choosing one of them. I was looking into catless as they are a lot cheaper and slightly lighter, but decided that Catted was the way to go, especially if I wanted to run Cobb's OTS tune until I finished some other mods and got a real tune later. This downpipe is available in both race & catted configuration. Is anyone running a VRSF Catted downpipe on their 540i? https://www. Limited Time Deals Click Here!. Jul 1, 2021 · So I'll be installing the JB4+ EWG as soon as I hit 1200 miles. You can see from my post count I'm new to this forum. BMW 340i B58 VRSF Downpipe DIY :) NO CEL ;) *SOUND CLIP* Stock exhaust+Catless DP Hi fellow b58 ppls. Paired with the stock cat-back exhaust, the downpipe improved the sound to the point where I likely do not want an aftermarket catback. Suitable for BMW/Toyota B58 3. A catless downpipe does not create any additional stress on other components, in fact it reduces backpressure n your turbo. The CTS Turbo High-Flow Cat for the B58 is made to maximize exhaust flow for the highest power gains possible in a catted setup Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Do not compromise performance and sound with factory parts – unleash your BMW’s potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. 5″ A90 Toyota Supra B58 Stainless Steel Downpipe We are proud to introduce our VRSF race & catted downpipe for your B58 X3 M40iX & X4 M40iX. Both of these have their fair share of pros and cons, depending on usage. I am running a BM3 Stage 2 on 91 octane tune with the cold start adjustments. Back pressure is significantly reduced by eliminating the restrictive catalytic conve Nov 14, 2022 · Some people contacted me asking if I was saying as part of this post’s conclusions that there is no benefit from a catless downpipe. This downpipe is available in both catless (race) & catted configuration. G-Chassis B58 Gen 2 GESI High-Flow Catted Downpipe - W The F Chassis B58 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance. us if you have any questions. Or if any other companies have one I don’t know about im open to any suggestions! Jun 18, 2024 · I'm looking to upgrade my BMW G20 M340i with a new downpipe and pair it with a muffler delete to enhance performance and sound. I have a catless downpipe on the car and it just sounds hollow and a bit too raspy for my taste. Learn how these components impact your vehicle's performance and emissions. Of course, each state has different laws, so it's not 100%. Because I've done countless 20-22 with with basically no issues. So then you get into the 200 vs 300 vs 400 cel debates which are endless. As such, they will result in better power, torque, and spool. What would be the best options out there that wouldn't give me CEL light. I originally wanted the CG1 catted downpipe but was back ordered for so long that I changed my order to an BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > 4. So yes, you're unlikely to detect a performance difference comparing catted to catless. I'd like to order a catless downpipe. User Experience The good Feb 2, 2023 · This is one of the highest-efficiency downpipes worldwide. I have been modifying and tuning forced induction cars since the late 90s. That's why I went with an AA catted downpipe. Decrease turbulence and increase flow with a 200 cell high flow cat from VRSF! × Feb 22, 2022 · All of which again get affected by your choice of catted vs catless DP. be/ealRKi-PTPIDIY to install my catless VRSF DownpipeI also discuss the downpipe bracket topicBuy Jul 23, 2022 · The OEM catalytic converter on the B58 downpipe is very restrictive in the sense that is creates significant air flow limitations. BMW F20/21 M140i 3. The 034 catted down pipe seems like the one to get for price and quality ATM. Jan 14, 2022 · If that 15-20 hp gain on non-catted, then compared to high-flow 400 cell catted DP (for instance ActiveAutowere B58 DP) which is about 3 times the cost of non-catted, just how much one can expect with proper tune, to gain going from high flow catted to non-catted? AA high-flow 400 cell catted DP - ~$1,200 AA non-catted DP - $399 Apr 25, 2023 · The bare minimum downpipe diameter you should consider is 4". The catted option is better for the stock turbo; it's louder than stock but not raspy and has a deeper mid-range tone. - Vermindert de tegendruk in het uitlaattraject Be better looking in the b58 section of the g20 forums or any of the other more established platforms with b58s in them. VRSF vs Evolution Racewerks. The Evolution Racewerks Competition Series Catless Downpipes is constructed from 304 stainless steel, featuring mandrel bent piping. High-flow catted downpipes may pass emissions in some states, but tampering with OE emissions equipment may still be illegal. This is one of the highest-efficiency downpipes worldwide. This VRSF B58 Hi-Flow Catted Downpipe (Mfg#10582061) fits BMW G01 X3 M40i B58 3. A larger down pipe relieves some of this pressure, resulting in quicker and more efficient spool. MST 6" Catted Downpipe GPF/OPF for BMW/Toyota B58 3. I’d prefer ones that don’t throw a CEL too and most likely going to pair the downpipe with a tune. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations. S63 Catless Downpipes vs High-Flow Catted Downpipes. Guaranteed no CEL. Catted Downpipe PRODUCT SPECIFICATION - Catless Downpipe Kit for BMW M140i M240i 340i & 440i- Made out of high-quality stainless steel 1. Any of ApexBuilt's catless race downpipes WILL NOT be sold in, or shipped to, the state of California. Maximize your BMW B58's performance and unleash its true potential with the CTS Turbo 4. Dec 8, 2023 · Join us as we take Ahmed's 2021 BMW G20 M340i to the next level with a Project Gamma Catless Downpipe installation! 🔥 This downpipe will help his car not on BUSINESS HOURS 7am-5pm Pacific Time . Sep 23, 2022 · What sold me on going catted vs catless was the guaranteed no CEL from Active Autowerke and didn't want to deal with the smell. I'm torn between a few options: MAD Catted Downpipe (around $400), Catless Downpipe (around $250-300), and Active Autowerke Catted Downpipe (around $1,500). The catback is APR which stays the same in b today i will show you guys step by step on how to remove and install a catless downpipe on your b58 bmw f-series! im using a vrsf downpipe bought from auto t Jul 15, 2022 · I had the ER catted down-pipe. This downpipe is made from premium quality stainless steel and is precision-engineered to fit perfectly with the stock exhaust system, ensuring a seamless installation Aug 15, 2020 · We did not give up, comparing the two the ONLY difference was the catted DP on my car (Activeautowerke) vs his catless DP Pressure tables were lower and cat heat limits looked like they were at the max due to the extreme weather Anyways, decided to go all in. Love this down pipe! Derrick Great product. Both catless and high-flow catted downpipes are generally illegal. 0L 250KW/340PS 2016 - 2018 (OPF models excluded) We are proud to introduce our VRSF catless & catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. 00 . 0 engine vehicles. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the add Apr 25, 2023 · Would going with a higher flow catted DP like the FI exhaust sport 200 cell, or the CG Precision DS-1 make much of a difference when it comes to power gains vs a catless DP? I'm in FL so the only concerns going catless might be the smell (never had a catless car) and the sound difference. Check with your states/local areas emissions and inspection regulations. Was lucky to find a local shop that has an AMS catless DP AMS catless vs AA catted DP Jul 1, 2022 · Catless with no check engine does not exist. Keep in mind thou, the shape of the cat on the audi definetetly doesnt help with keeping the cost down but ideally $1200-1500 will be acceptable in my books. There is a pretty significant price difference in the 2 in my opinion top brands for catted downpipes. And high flow vs. It will not void your warranty _____ Jan 1, 2023 · While a High Flow Catted B58 Downpipe is usually cheaper than the OE B58 downpipes, the price of a good High Flow Catted B58 Downpipe is still significantly more than the Catless version. catless really only becomes apparent at prodigous boost levels. If you look into the stock downpipe, you can't even see light come through the other side. All catted DPs are also not created equal. This downpipe is available in both race & catted configuration. Stick to catted downpipes with the 4" catalyst vs those bragging 5" on a 4" downpipe. In this guide, we discuss S58 downpipe upgrades including power gains, sound, catless vs high-flow, and more. Now. 4301 (SS304)- Complete Ø3,5 and adapter for stock exhaust- Without catalyst converter- 100% perfect fit, replace OEM- Less thermal load on the turbocharger- More power by reducing back pressure- Significantly more torque We Jul 5, 2020 · This is where catless and high-flow catted DP’s come into play. I could use advice on this. VRSF BMW B58 4. Email customer_service@spoolperformance. A warranty job can be denied if the dealership blames your aftermarket product for the damage. Apr 3, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Apr 10, 2022 · Comparison of the stock exhaust, a dual resonator delete, and the dual res delete with the Active Autowerke high flow catted downpipe. Jun 30, 2020 · Enter catless and high-flow catted DP’s. In basic terms, performance increases as back-pressure decreases. Anyone got a recommendations? As of right now, the popular ones are AFE and Active Autowerke. if we ran a 4" downpipe flange inlet so that we can use 4" tubing, a "step" would be formed between the turbocharger outlet and downpipe inlet. Similar to sound is the smell, with a catted DP you still get a little bit of the gas smell but catless will be stronger. 5 PSR Parts offer high quality BMW B58 Downpipes. Is there rasp on a catless? I just want a deeper and throatier tone that will make more burgles and pops. Aug 16, 2023 · Cts turbo downpipe Project gamma dphttps://youtu. 5″ Race Downpipe for BMW B58 1 The downpipe is also designed to work seamlessly with the factory exhaust system, so there's no need to worry about compatibility issues. Sep 12, 2024 · Among the best bolt-on upgrades are a set of catless or high-flow catted downpipes. Exhaust gas for the turbocharger would hit this "step" and a lot of Jul 19, 2021 · I think this is all covered by existing threads, but FWIW I chose Active Autowerke MAPerformance for my 2021 3. We are proud to introduce our VRSF race & catted downpipe for your B58 X3 M40iX & X4 M40iX. High-Flow Catted Downpipes The only difference between these two options, as you can imagine, is a catalytic converter. Upgraded downpipes help reduce backpressure and improve turbo spool, which results in impressive performance gains. May 12, 2021 · Though, catless N54 DP’s are the best bang for your buck option. BMW B58 downpipe upgrade for 2019+ M40i models. In these videos I have Mar 15, 2020 · The next mod you should do after a downpipe: https://youtu. 5inch all the way until the exhaust meets the dp. Jun 10, 2021 · It is strong! Funny, though, I actually like the smell. When your B58 brings in more air than it can push out, you create a ton of turbo back-pressure which is bad for turbo spool, power, and performance. Ya'll both on stock mufflers? Reply reply Because you recently put a VRSF catless downpipe on a g30 540i! Reply reply All VRSF downpipes are hand crafted from SS304 grade stainless steel and include a lifetime warranty as well as our “No Hassle” satisfaction guarantee (includes fitment). Having either your primary or secondary cats should heavily reduce the smell. The Mad Catted B58 Downpipe is also equipped with high-flow catalytic converters, which help to reduce harmful emissions while maintaining optimal performance levels. The ER B58 downpipe is Made in the USA from 304 grade stainless steel and mandrel-bent piping. Feb 20, 2025 · The durability of catted and catless downpipes can vary. Catless DP’s are less restrictive as compared to high-flow catted downpipes. If your state has inspections and/or emissions testing the S55 will likely fail with catless DP’s. Catless downpipes might be more susceptible to heat and exhaust gas damage. Fits like a glove. Catless downpipe options for the N20 are the least restrictive, and will result in the best power gains and spool. More on the specific gains of each in the next section. We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. The Aftermarket BMW B58 Downpipe Catless or High Flow Catted will improve flow and performance. You can see light coming through at a certain angle. Back pressure is significantly reduce Sep 5, 2024 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Catless downpipe smell unbearable. I'm running catless downpipes with stock catted midpipe and I only get a gas smell when I'm idling in my garage. I'm hesitating between the CTS turbo catted and the VRSF catted downpipe. Video Pictures Exhaust comparison between a Catless Downpipe from VRSF and a Catted Downpipe with a high flow cat from Evolution Racewerks. Fabspeed is the only one that I know of that dyno tests performance and got 93% of the performance of their catless downpipe. VRSF 4. Less back-pressure results in better power and performance gains. The B58 sounds amazing with a catless down-pipe! dennis very happy with it at this moment Nic This has been the best investment made for my 340i MPPK. Thread starter EddieNel; Start date Aug 27, 2023; Watchers 4; EddieNel Well-Known Member. The Catted DPs that guarantee no CEL generally have a higher cell count which also directly affects the sound amplification. . Ask technical questions, contribute answers, or show off your ride. They also mentioned they have been using this 400 cell Gesi Catted downpipe on the B58 Supras and has been zero issues with CEL's. the only pro for catless over high flow catted is the cheaper cost. I wanted a catted DP that did not cause a CEL. I'm looking at the VRSF B58 catless and high flow catted Downpipe. They are more suited to be used on off-roading or tracking where every Jan 18, 2023 · New Release- MAD B58 4. Feb 25, 2016 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > B58 BMW 340 VM 4" CátLess D0wnpipe Dyno Testing - Before and After Results Jul 2, 2020 · S55 Catless Downpipes vs High-Flow Catted Downpipes. With Active Autowerk's Signature downpipe, your B58 can rev quicker, and deliver more horsepower and torque. Make an informed choice for your next upgrade. Im pretty sure most of yall dont want to spend 400$ at a shop to install the your brand new downpipes so Im making a DIY for you all, It took me 3 hours or so to put it in because ive never done a downpipe in my life before, but I will show you The Evolution Racewerks cat-less racing downpipe for the B58 engine used in the 2019-2020 Toyota Supra 3. Pushing 500+hp its safe to say you need need to upgrade the down-pipe for various reasons and add an intake as well. So I sold it and bought catted one. Overall, the Mad Catless B58 Downpipe is a must-have upgrade for any BMW B58 engine owner who wants to improve performance and unleash the full potential of their car. Just had it installed from my local shop. I'll run the AA catted until they break the '21 ECUs then buy a high-quality uncatted downpipe to run and tune out the CEL. ApexBuilt High-Flow Catted Downpipe - BMW G2X G30 G01/02 G42 B58 3. I was going for power and throttle response more than noise. Installation - as with most downpipes for the B58, it's easy. Catless downpipes allow engine exhaust to flow without any restrictions and rely on the high-flow catalytic converter for pollution control, while high-flow cats restrict engine exhaust to reduce noise and emissions. I've got a 2017 M240i, all I've done is the catless downpipe (and intake and tune but those don't add much noise) and it's very tame on normal driving and sounds great (for an I6) on WoT. Aug 15, 2020 · I have a 2021 so they really toned down the burgles and pops and that was such a disappointment for me. 5" catless downpipe for your B58 M140i/M240i. 0 eliminates the stock catalytic converter for unimpeded flow. The MAD 5 inch Catless B58 Downpipe is a high-performance aftermarket upgrade for BMW B58 engine vehicles, designed to increase power and torque while improving exhaust flow. My personal recommendation is to go for catted high-flow downpipe. The ARM B58 Downpipe is one of the foundational upgrades for giving your B58-powered BMW more power, torque, and sound. This downpipe with HJS cats will not throw any CEL while still providing greater air flow than stock. Jul 7, 2021 · OEM downpipes are always connected to catalytic converters because that’s the standard they have to follow. 5" Catted Downpipe. All of the top brands, Active Autowerke, Armytrix, Boost Logic, CTS, FI Exhaust, and more. Please note that the warranty on the catted downpipe is limited to two years. Although a 5" downpipe won't offer substantial power improvements on a stock turbo, it will provide additional airflow, which is beneficial when you upgrade your turbo. 5" catless downpipe voor de BMW F20/F21/F30/F31/F32/F33/F34/F36/G30/G11/G12 modellen met B58 motor. The B58 sounds different from the N55. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations. Catless downpipe is not daily drivable. My original choice was actually Active Autowerke due to their 5" internal diameter popularity but it was backordered and the vendor wasn't sure when it would be back in stock. Though, catless downpipes do come with one downside. co Jul 13, 2023 · the two best catted downpipes are fabspeed and active autowerke, but you will ruin any catalyst with excessive pops/burbles/gunshots. Catted downpipes are fitted with a high-flow catalytic converter, which cleans the gases just as your OEM catalytic converter will. I dont think I will pass inspection with a catless downpipe but I still want that aggressive tone to my exhaust. Catted systems may be more durable due to the protective nature of the catalytic converter. However, catless downpipes do have a significant pitfall for some. Nov 3, 2024 · While upgrading the downpipe of your B58 engine, you need to select one from two downpipe categories. Cons of Downpipe Mods. 0L, BMW G02 X4 M40i B58 3. Bringing even more performance & exciting exhaust sounds to your vehicle. It's amazin Catted downpipes and catless downpipes. 0L. Apr 25, 2023 · B58 6-Cyl Engine, Exhaust, Drivetrain, Bolt-Ons If your local to SOFL more than welcome to ride in mine @Jesse DaBears race catless downpipe or my buddy’s 400 Sep 19, 2023 · The catless downpipe vs. Feb 28, 2020 · Looking into catted downpipes right now since I live in Cali. 0 Premium. But I didn't want to deal with the stink, the rasp, and the CEL for a nominal increase in HP. I f we ran a 4" downpipe flange inlet so that we can use 4" tubing, a "step" would be formed between the turbocharger outlet and downpipe inlet. I plan to just stick with downpipe + tune + intake/chargepipe. If you are looking for more noise go catless or do resonator delete. We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. *** Introducing the New 5-Inch SPOOL B58 Downpipe! Why Settle for the Same Rebranded Downpipes? Let’s face it—most downpipes on the market look the same. The ARM 6" B58 Catted Downpipe is perfect if you're looking for all of the performance of a Catless B58 Downpipe without the odor associated with increased emissions. Aug 25, 2023 · Just wanted to gather thoughts I’m looking to purchase a catted Downpipe (one that has no CEL) and am contemplating between the AA or the AMS Downpipe. Catted downpipes incorporate a catalytic converter, making them the road-legal option. Catless downpipes provide less back-pressure compared to high-flow catted options. The 400 The ARM 6" B58 Downpipe takes the title of being the largest catless downpipe available for the B58 platform! The sound coming from your B58 with the 6" section in the ARM B58 Downpipe will astonish you. Meet your performance targets and experience the incomparable performance of your BMW. In comfort mode it is fairly quiet but more aggressive than stock. 5" outlet compared to the 4" outlet on the older N55 engines. Honestly, I believe this is probably the best set-up you can docatted with the stock cat-back. Sound quality. The logo on the metal pipe does not matter. Personally, I am catless and if I ever go 600hp, I will definitely be catless. First, a tiny bit about me. High-flow S63 catted DP’s aim to use less restrictive catalytic converters. I had to have my friend hold the gasket in place on the downpipe while I push the downpipe up from below the car to seat into the turbo. Great down-pipe. Catless downpipe BMW B58 2016+ BMW M240I 340I 440I 540 740I F20 F30 F32 F22 G30 G12. 2020 M340i on a stock tune no other perfor Nov 8, 2023 · I run AA catted, I have been debating swapping into an armytrix catless but both my local clients with 23's running catless have been having tons of overboost and throttle closure issues so getting nervous that 23's are not liking being catless on the stock tune. But for what they cost, get a tune and a catless or 200cel. Orders will be fulfilled by second week of March. On a rear wheel drive, that should keep things lively enough Need to keep things legal, so catless isn't on the cards sadly. N20 Catless Downpipe vs High-Flow Catted Downpipe. I have a race catted Downpipe from active autowerke that was advertised CEL free guaranteed. I have had the opportunity to test fit the new MST Performance Catted Downpipe for Mike@x-ph. So it’s definitely possible. nwoezy nfbnqs qrhncw zow chy ajt kxtuo qdnw zkmqpc kwzexyq icetxf qxake aexsv evj vbwewhr