Catted vs catless downpipe n55 Made from mandrel bent, tig welded 304 grade stainless steel. 5" - BMW F06/F10/F12/13 N55 3. An aftermarket catted dp uses a high flow cat with fewer, wider cells. What do you think sounds better? There's a ton of conflicting info on the web regarding catless vs catted DP's especially for novices like me but your rational makes a lot of sense. Wagner Tuning Catted and Catless 5. AFE Power Catless 3. 1. The factory N55 downpipe includes a catalyst that significantly restricts exhaust flow. If you look into the stock downpipe, you can't even see light come through the other side. Jul 7, 2016 · Revised Catless and Catted Downpipes! Bimmerpost ☰ Model Selection VRSF 3. Be sure you understand how to pass emissions since either catless or "high flow" catted downpipes WILL cause you to fail emissions if you just slap them on and bring it in. They offer more performance and generally cost less. 0L, BMW F12 N55 3. Jul 21, 2023 · Welcome to another great video. Our components within the downpipe are all made of 304SS which includes V Flange, Converter Casing, Piping, Brackets and O2 bungs. The catted option features a 200 cell high flow cat. I was just looking to get some feedback from folks regarding the pros/cons of each. 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. I'm sorry for the confusion, our current catted N55 downpipe offers cel free operation for the majority of members who stay under 450whp. rexy@shakobuilt••• TagsCatted pipe Catless j pipe T You guys asked for a Downpipes video so here it is! We cover catted and Catless Downpipes plus the effect that both of them have when it comes to boost creep We're offering this downpipe in both catless and catted configuration. Mandrel Bent 4" piping. Jul 15, 2016 · Downpipe Sound Difference VRSF vs Catless ER Dinan CAI/N55 PWG BIG TURBO|BMWF30. Smooth radius bends decrease turbulence and increase flow. Faster spool, increased power and a more aggressive exhaust note. I paired it with the AMS catted downpipe and Phil has a catless downpipe. Jul 26, 2006 · It looks like I have decided to go with a Cobb TBE. Therefore, catless DP’s will result in the best power gains and quickest turbo spool. Race use only Features: ApexBuilt N55 High-Flow Catted Downpipe - PWG/3. Fits like a glove. There are a whole host of issues that could arise from that. LOUD AF with valves open Raspy S55 noises Smelly Zero restriction = fast Check engine light Won’t pass emissions I am going to swap out to high flow, resonated catted downpipes to reduce stank and be a bit more environmentally friendly, and go for a single midpipe. It's also one of the most tested downpipes available, with hundreds currently Yes, a catless downpipe will sound noticeably more aggressive. Cobb Tuning Catted 3" 3. Quality from ER has always been outstanding. M135i, M235i, 335i, 435i, M2 N55 4” (08/13+) Increase performance and reduce back-pressure with a high flow downpipe from VRSF. This downpipe is available in both catless (race) & catted configuration. comGET YOUR LOW BOOST MERCH HEREhttps://www. •••Follow us on Instagram:@white. 0L, BMW E92 335i N55 3. By eliminat We are proud to introduce our VRSF catted downpipe for your N55 BMW. 5″ / 4. I do the due diligence for you, compiling a bunch of information to help you make the right choice for you and your needs. I just installed my fabspeed catted over the weekend and yes it is expensive but I have no regrets. Berk Technology Catless 4" 10. This was unacceptable to me. #downpipe #bmw #n55 CHECK OUT OUR GREAT SELECTION OF PARTS AND MERCHANDISE!https://www. On the other hand, S63 catless downpipes have absolutely no catalytic converters. An N55 downpipe upgrade is the first hardware upgrade every N55 owner should invest in. To think that it doesn't need the mounting bracket, whereas OEM and all other manufacturers make use of the mounting bracket - that's simply lazy ass engineering. . com/CameronsCars93/GoFundMe: https://www. Upgrading your downpipe unlocks power, improves turbo spool N55 downpipes are minuscule compared to the size and weight of the B58 downpipe. 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. lowboostfilms. The conc VRSF n55 catless downpipe review. Nov 26, 2020 · My question is: I researched 2 catted downpipe options, VRSF Catted downpipe (VRSF 4. 0"). By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. Also, if you're worried about restrictions, go for a 3" exhaust rather 2. CNT Racing Catless 3" 8. Turbo Catless Downpipe For BMW N55 F10/F11/F07 535i/Xi F12/F13 640i E70/E71 X5 X6. It is a simple bolt-on and go have fun modification and being CEL free. 0L, BMW E90 335i N55 3. 5″ downpipe upgrade is THE best bang for the buck mod available for your N55 135i & 335i/xi. Made from hand crafted Even if catted downpipes and N55 mids yielded the same gains as catless downpipes and N54 mids, the fact is that it is still a much more expensive option for no good reason. amazon. rexy @red. Why such a big price difference and would the VRSF catted downpipe be a good choice? Thanks in-advance Turbo Catless Downpipe For BMW N55 F10/F11/F07 535i/Xi F12/F13 640i E70/E71 X5 X6. F40Model 2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, High-performance EPA approved catted downpipe for singe turbo N55-equipped BMW M235i, 335i or 435i, from the leader in BMW performance parts and software tuning for over 30 years. 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. The Mad Catted N55 Downpipe is also equipped with high-flow catalytic converters, which help to reduce harmful emissions while maintaining optimal performance levels. 2011-2014 BMW 640i (F12/F13) with the N55 Engine; If VIN is 2015+ N55 535i or 640i click here; 2011-13 X5/X6 35i (E70/E71) Features: High Flow 200 cell metallic catalytic converter used. 0" Stainless Steel Brushed Catless Downpipe - $399) or Evolution Racewerks catted downpipe (Sports Series 4" High Flow Catted Downpipe - $995). Jun 14, 2021 · In this video I show some sounds clips of my 2014 BMW 355i N55 with a resonator delete, high flow catted downpipe, combined with bootmod3 flash tune stage 2 The Mad Catted N55 Downpipe is also compatible with aftermarket exhaust systems, providing you with endless customization options to suit your preferences. Here are two graphs, both using SAE Nov 9, 2012 · Hey guys, I wanted to know your opinions on catted vs catless DP's since I am considering buying DP's for my 335xi. https://www. In basic terms, performance increases as back-pressure decreases. High-Flow Catted Downpipes The only difference between these two options, as you can imagine, is a catalytic converter. Oct 5, 2020 · Catted downpipe should be daily drivable. 7@110. I don’t really care about inspection tests as I don’t need to get them here in Canada. Exhausts cost more and barely improve performance. is it worth it to get a catted down pipe i can't deside which one to buy to run stage 2 in this thread in this sub-forum in the entire site Short video comparing sounds of a catted and catless downpipe. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. This downpipe is THE best bang for the buck mod available. The Subaru specialty shop that will do the install mentioned that the catted will lose about 10whp. They are more suited to be used on off-roading or tracking where every Explore a comprehensive comparison between catted and catless downpipes, examining performance, emissions, sound, and other considerations that influence your choice. I definitely do not recommend running a catless downpipe without a tune. Discover the key differences between catted and catless downpipes for your BMW. So you are just going with new turbo then aka diverter was good? Stone Exhaust BMW N55 F06 F10 F15 Eddy Catalytic VRSF Downpipe - Catted vs Catless. Cons of Downpipe Mods. Catted downpipes are fitted with a high-flow catalytic converter, which cleans the gases just as your OEM catalytic converter will. Jul 2, 2020 · S55 Catless Downpipes vs High-Flow Catted Downpipes. Orders received by noon EST on business days are shipped the same day Oct 3, 2012 · It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). com. Catless downpipes provide less back-pressure compared to high-flow catted options. Others just said go catless. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the fac This VRSF VRSF High Flow Catted Downpipe (Mfg#10902016) fits BMW E82 135i N55 3. Racing Dynamics Catless 4" 11. Recently sold my ER catted and went with the ER catless after swapping in a larger turbo. 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 Exhaust comparison between a Catless Downpipe from VRSF and a Catted Downpipe with a high flow cat from Evolution Racewerks. If any have any CEL issues, AA replaces the downpipe asap. 5" with the HKS. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the fac Turbo Catless Downpipe For BMW N55 F10/F11/F07 535i/Xi F12/F13 640i E70/E71 X5 X6. Smooth transition to the This downpipe is THE best bang for the buck mod available. MPE is a bit more aggressive but not a lot louder without a downpipe. Note: While we do offer a lifetime warranty on the downpipes, we only offer a 1 year warranty on the ceramic coating and high flow cat. 5"/4. 5″ Stainless Steel Race & High Flow Catted Downpipe. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or high flow 200 cell race cat which results in faster spool, an increase in power 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) reommendations for aftermarket downpipe n55. Evolution Racewerks Catted 7. Catted downpipes are 100% pointless. An F30 N55 Downpipe is widely considered the top hardware upgrade for maximizing power in your N55-powered F3X BMW. Active Autowerke 4" Catless 2. RVG Performance catless downpipes offer the maximum gain. What the 400 cells means is that per every inch, there are 400 "cells" that the exhaust gas must pass through. AFE Elite Catted 2 My car is RWD so with a catless downpipe, I would expect LOTS of smell. Let me know if you have any fu May 12, 2021 · Though, catless N54 DP’s are the best bang for your buck option. Just because you didn't have issues in the past, doesn't mean the car was running healthy. The catless pipe is available in a brushed finish as well as a Cerakote High Temperature Ceramic Coated finish for those looking to reduce intake, engine oil and transmission oil temps. If not, get a catted, or just get the catted from the get-go. The exhaust note will increase and will be more aggressive after 3000rpm, below that its a quite tamed sound. 5") and N55 EWG (4. Both catless and high-flow catted downpipes are generally illegal. 5″ N55 Stainless Steel Down Pipe Jul 15, 2022 · I had the ER catted down-pipe. How is emissions done in your state? Aug 9, 2006 · What is the HP lose for a catted downpipe vs a catless downpipe. E81 / E82 / E87 FACEBOOK: https://www. With the VRSF catless & catted downpipes for your N55 BMW, back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust note. The ARM N55 Catted Downpipe offers the same benefits as the catless option with added benefit of reduced exhaust odor. If your state has inspections and/or emissions testing the S55 will likely fail with catless DP’s. I prefer to go with catted since it prevents the engine light from coming on which would also avoid any questions when I bring my car in to get serviced. S63 Catless Downpipes vs High-Flow Catted Downpipes. BMW F10 535i N55 RvgPerformance Downpipe Install & Review #Downpipe #bmwf10 #535Today we install a RvgParts downpipe. Jan 17, 2025 · VRSF 3. Learn how these components impact your vehicle's performance and emissions. And if you ever need to revert back to stock, you tell me what is more of a hassle. instagram. I have catless downpipes and an AWE full exhaust. Go catless. Mar 27, 2024 · Choice between catless and catted downpipe. Jul 7, 2021 · OEM downpipes are always connected to catalytic converters because that’s the standard they have to follow. There are only a few catted downpipes that will pass inspection. 5″ Stainless Steel Catless & High Flow Catted Downpipe. I talk about the sound, warm idle, drone, smell, and build/catalytic converter quality. I would never want to deal with the noise and smell of catless. Changing the downpipes or changing the downpipes and mids? The N54 has been out for years. NOTE: For vehicles with production date after 08/13 Please provide VIN at checkout for us to confirm. This VRSF downpipe offers power gains of 10-15+whp and more performance. 5″ Stainless Steel Catless & High Flow Catted Downpipe For your 2011-2017 BMW X3 & 2014-2018 X4 with the N55 Engine We are proud to introduce our VRSF 3. Don't settle for stock performance - upgrade to the Mad N55 200 Cell Race Catted Downpipes and experience the true potential of your BMW. Catted downpipes cost more but some do not cause a check engine light and smell less. This downpipe is available in both catless (race) & catted configuration. Is the smell actually bad? If so, I will have to go with the catted then BMW N55 catless downpipe for the 535i, 640i, 740i, X5, and X6. A catless downpipe is one that is not fitted with a catalytic converter. Orders received by noon EST on business days are shipped the same day We are proud to introduce the VRSF catted downpipe for your N55 BMW. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or high flow 200 cell race cat which results in faster spool, an increase in power VRSF 3. I am trying to decide between catted and catless downpipe. i imported lots of catless Jul 5, 2020 · This is where catless and high-flow catted DP’s come into play. The CTS Turbo Catless Downpipe BMW N55 (Electric Wastegate) is made to maximize exhaust flow for the highest power gains. 0L, BMW E93 335i N55 3. Today I am comparing my Stage 1 F30 335i 0-160 when catted on Stage 1 vs catless on Stage 1 w/ upgraded intercooler. E81 People like catless downpipes because they increase sound AND performance while costing the least. com/d Turbo Catless Downpipe For BMW N55 F10/F11/F07 535i/Xi F12/F13 640i E70/E71 X5 X6. Fabspeed has models for both F3x N55 PWG (3. You can see light coming through at a certain angle. My son, driving my car with the catless downpipe, managed a 12. As such, they will result in better power, torque, and spool. Jun 3, 2023 · The Active Autowerke downpipe is the top-tier choice for catted downpipes. I hope you guys enjoy the video. F40Model Year: 2019 + so go catless. The VRSF 3. The ARM N55 Catted Downpipe provides the same performance benefits as a catless downpipe, with the added advantage of reduced exhaust odor. VRSF Catless 3. 5″ downpipe for your N55 F25/F26 BMW X3 & X4. It uses GESI cats, which are EPA approved. Bimmerpost ☰ Model Selection. Feb 19, 2025 · The VRSF 3. “No Hassle” satisfaction guarantee. Catted downpipes vs catless downpipes - Page 2. VRSF is known to offer h VRSF F06, F07, F10, F15, F11, F12, F13, E70, E71 N55 Downpipe Upgrade. Less back-pressure results in better power and performance gains. High-flow S63 catted DP’s aim to use less restrictive catalytic converters. 0L (2011-13) - (NO LONGER AVAILABLE) Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $49+ *exclusions apply Dec 13, 2011 · This ApexBuilt N55 High-Flow Catted Downpipe - PWG/3. 0L, BMW E84 X1 xDrive35i N55 3. Backpressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or high-flow 200 cell race cat which results in a faster spool, an increase in power & a more aggressive exhaust note. The stock N55 downpipe comes from the factory with a catalyst that severely restricts exhaust flow. With catted downpipe you can also pass the visual inspection or pop up inspection that uses OBD2. By replacing the factory downpipe/catalytic converter with our Competition Series 4" Catless Downpipe, more power is unleashed! You will feel the difference instantly. 0" 4. 0L, BMW E92 335xi N55 3. 0L, BMW F10 N55 3. Orders received by noon EST on business days are shipped the same day Mar 20, 2021 · Guaranteed no CEL. gofundme. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is significantly reduced which results in faster spool, an increase in power & a more aggressive exhaust note. Most said that it would be pointless, not worth getting any downpipe. Mar 24, 2020 · Catless vs. facebook. 2011-2014 BMW 535i (F10) with the N55 Engine. ENHANCE THE SOUND OF YOUR N55 The M235i in the video below is only equipped with the ARM N55 4" Catless Downpipe, it is otherwise on a 100% stock exhaust. Aug 6, 2021 · Upgrade to the MAD BMW N55 200 cell Catted downpipe to eliminate the backpressure caused by your stock catalytic converters. This downpipe is Great Quality at a rea The cost of a catless exhaust system typically ranges as follows: Catless Downpipe: $150 - $800 Catless Full Exhaust System: $400 - $2,000 Installation: $100 - $500 Prices depend on the vehicle model and brand. I would like to get catless but I'm worried about the smell so I am thinking about doing catted. It provides additional performance but still keeps the emission, noise and smell acceptable. I suspect other catted downpipes aren't as good or they would publish testing. Personally I went Invidia Catted Downpipe (mainly because a deal came about that I didn't want to pass up). Appreciate 0 Quote 07-16-2016, 08:33 PM Description. If you are on the fence then a cheap catless like VRSF on sale may the worth the $250 experiment to see if you want to deal with the smell and like the sound. Made from hand crafted, tig welded 1. Make an informed choice for your next upgrade. VRSF offers both catless and catted versions of their N55 downpipe. 5" E90/E92 335i/335xi N55 Stainless Steel Catless Downpipe. I believe AA might only have an N55 EWG downpipe. com/f/help-restore-cameron-lillys-totaled-honda-s2000?utm_campaign=p_cp_url& VRSF 3. Jul 19, 2023 · This is an accumulation of 2 videos I have posted before into 1 video so it's more easily comparable. 5" (Mfg#DP-N55F10CATPWG) fits BMW F06 N55 3. Though, catless downpipes do come with one downside. You're already going full downpipes and that's enough for plenty of power. 0" 12. VRSF Catless & Catted 3. The car has never even been We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. It's the high HP cars have a hard time staying within the constraints of the o2 sensors expected parameters. Fabspeed has a near perfect track record of being CEL free and passing emissions, Active auto works and CG Precision catted pipes also claim to be CEL free and pass emissions; but both are fairly new and don't have the same long term data Fabspeed does. I made three dyno pulls with the stock downpipe, and three with the catless downpipe. MODS:VRSF CATLESS DO VRSF N55 Downpipe. We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. For your 2011 – 2017 BMW X3 & 2014 – 2018 X4 with the N55 Engine. Rennenstil Performance Catless 6. 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. Feb 6, 2015 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Downpipe catless vs catted help Google Search Search Forums Sep 21, 2022 · I would opt for high flow catted vs catless. Better throttle response and faster turbo spool up times. If you don’t need the catted downpipe for emission regulations, I would recommend choosing the catless downpipe for optimal sound and performance. (I was surprised that it would be this much) Thanks, May 12, 2011 · A happy medium between stock and a catless downpipe. An F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F3X BMW. This direct bolt on downpipe is THE best bang for the buck mod available for your BMW. Made from handcrafted, tig welded 304-grade stainless steel. High-flow catted downpipes may pass emissions in some states, but tampering with OE emissions equipment may still be illegal. Orders received by noon EST on business days are shipped the same day Jun 30, 2020 · Enter catless and high-flow catted DP’s. Increase your BMW's power potential by eliminating exhaust flow restriction It was maybe 10 degrees warmer on that day, compared to 27/2/2016, when I went there with the stock downpipe, and ran the same times & trap speeds. Check with your states/local areas emissions and inspection regulations. PLM Turbo Catless 4" 9. BUSINESS HOURS 7am-5pm Pacific Time This downpipe is THE best bang for the buck mod available. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our high flow 200 cell race cat which results in faster spool, an incre BMW N55 High Flow Catted Downpipe Upgrade - VRSF 10302021. Our Sport Cat Downpipe is 100% the best route to go. We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. There's too much focus on maximizing every once of power in the online community but at what compromise? I'm shooting for 400-425whp that I can daily. VRSF BMW X4 M40i & M40iX N55 Stainless Steel Down Pipe Upgrade. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Only worry is I have an e93 (convertible) and worried that it might be a very strong smell if I have catless downpipes n the roof is dropped. 0L. Manufactured Read More "CTS Turbo Race 4″ Downpipe BMW N55 VRSF 3. 0″ N55 Stainless Steel Down Pipe Made from hand crafted, tig welded 304 grade stainless steel. So I investigated catted downpipes for a long time and consulted several experts. Specifications: - The Vishnu Catted Downpipe is COMPLETLEY made in the USA. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or Jun 30, 2019 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Buyer Beware of new VRSF Catted Downpipe (Manufacturer Defect) Both myself and Phil are running the RK Signature Titanium exhaust now. 5″ downpipe for your N55 F25/F26 BMW X3 & X4. Smooth radius bends to decrease turbulence and increase flow. I honestly 3 inch VRSF Catless downpipe VS 3 inch mmp catless downpipes OR the 3 inch VRSF Catted downpipe. Thinking about a catless downpipe for your turbocharged BMW?Skeptical about the manufacturers' claims, as listed below?aFe: +14 hp, +39 ft-lbsAR: +20 hpBer Sep 7, 2024 · Unless you plan on making crazy power, you can just go catted and be absolutely fine. N63 Catless Downpipes vs High-Flow Catted Downpipes. 0″ N55 Stainless Steel Down Pipe. Contents of this video May 5, 2021 · In this video I show I install a CTS Turbo high flow catted downpipe on my 2014 BMW F30 335i with the N55 (Electronic Wastegate)! Mine is a 2014 so it has an Nov 24, 2014 · By replacing the factory downpipe/catalytic converter with our Sports Series 4" High Flow Catted Downpipe, more power is unleashed! The factory catalyter uses a 400 cell ceramic core. I am looking to get a downpipe for my F30 335i N55 engine. Just don't run aggressive burbles with any aftermarket high flow catted dp. Catless downpipe is not daily drivable. Catless DP’s are less restrictive as compared to high-flow catted downpipes. Appreciate 0 Quote 10-27-2013, 04:31 PM I have a e92 n55 with the VRSF catless downpipe on stock exhaust. There is little to no drone (I went full straight pipe and hated the horrible drone, thus reverted it to stock exhaust). 0L, BMW E90 335xi N55 3. We are proud to introduce our VRSF 3. VRSF Catted Downpipe full review here. 0L, BMW F13 N55 3. You won't have to worry about fuel smells or check engine light issues; that's a guarantee. Fabspeed is the only one that I know of that dyno tests performance and got 93% of the performance of their catless downpipe.
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