Nov 19, 2022 · Expect power gains of about 10-20whp with a high-flow B58 catted downpipe. Whether you’re looking for a catted or catless option VRSF has you covered. The catless downpipe for the F chassis M240i, 340i, 440i, 540i, 640i, and 740i is $299.99 while the high-flow downpipe is $479.99. 2018 BMW 340i vs 2017 Mercedes AMG C43BMW 340i has a catless downpipe and OTS 93 tune.Mercedes AMG C43 has catless downpipes and an OTS E30 tune.1st race was... 3-5k pulls with the catless downpipe installed. Pretty darn loud, If you ask me. Some WOT videos coming next, until then.. enjoy the sound of the B58, unleas... Best 1/4 mile with JB4: 12.32@ 111.58mph 2014 Audi S4 Prestige with APR Stage II+ ECU Flash and Supercharger Pulley, DSG DL 501 Transmission Tune, APR Intake, APR full RSC exhaust with custom downpipe, APR Cooling Performance Unit Best 1/4 mile = 11.7 at 116 mph 2016 Audi Q5S with APR Stage II ECU Flash 2012 Infinity G37s - sold 2011 BMW M3 ...Stage 2 (up to 470HP/630NM, up to 500HP on B58TU1) - 91oct/95ron, 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe and no gasoline particulate filter. Stage 2+HPFP (up to 500HP/700NM, GEN1 B58 only) - 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe, upgrade HPFP and no gasoline particulate filter.Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...Mar 18, 2020 · The only true significant exhaust power-added is catless downpipes, and this exhaust is just a catback system. The kit’s exhaust can be purchased directly from BMW for $1,700, if you don’t want the more aggressive tune to go with it. MPPSK Dyno Results. On the dyno, a factory 340i pulled 331whp and 325lb-ft. of torque to the wheels. OWNER : @Justanotherm340 Like Comment Subscribe I post DAILY so turn your notifications on2018 340i - MHD STG 2+ HPFP ,TU PUMP,MHD-FLEX-FUEL, M-PERF LSD,XHP Stg 2,CSF Heat Exchanger, MPE EXHAUST Mid Pipe BACK, Ross Racing Oil Catch Can, Evo Race Work Downpipe, DAW Inlet, MST Intake, VRSF Chargepipe 2011 335is - SOLDJan 1, 2023 · 2018 340i - MHD STG 2+ HPFP ,TU PUMP,MHD-FLEX-FUEL, M-PERF LSD,XHP Stg 2,CSF Heat Exchanger, MPE EXHAUST Mid Pipe BACK, Ross Racing Oil Catch Can, Evo Race Work Downpipe, DAW Inlet, MST Intake, VRSF Chargepipe 2011 335is - SOLD JB4_B58 is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications. Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit or to your Windows laptop with the BMS data cable.Recently purchased a 2018 340i and want to do some basic bolt-ons like exhaust, downpipe and tune. But I still have a CPO warranty until October of 2023 and I don't want to void that if I ever need it. What are my options for tuning the car and installing a high-flow catted downpipe while not getting in trouble at the dealership lol. On any turbocharged vehicle, the downpipe lies within your exhaust system, connecting the turbo exit to the catalytic converter. How easy it is for things to flow down this pipe has a huge impact on your car’s overall achievable horsepower and torque. A typical BMW downpipe will have two 400-cell catalytic converters within the downpipe ...3-5k pulls with the catless downpipe installed. Pretty darn loud, If you ask me. Some WOT videos coming next, until then.. enjoy the sound of the B58, unleas... that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagramThe boost level settings of a Stage2 tune are too high for the back pressure generated by the resistance of the stock downpipe. The Stage2 tune tells the turbo to spin faster to a point where that stock back pressure can damage the turbo. A catless downpipe has emissions issues depending on your state's requirements. It also has a gasoline smell.VRSF Catless Downpipe No Tune N55 BMW F30 335i ReviewMost people that get a downpipe get a tune right away, so in this episode we'll e going over how it actu...I think it sounds nice with just a downpipe. A full exhaust is a different beast altogether. For power, if you don't plan on tuning then don't waste your time with a downpipe. You're not going to notice much aside from throttle response and a deeper note/louder burbles. If you were going to tune then I would say a downpipe is 100% worth it.1x pick tool. Step 1 Put car on Jack Stands. Step 2remove airbox ofc. Step 3 Remove Under tray cover. STep 4 Remove Oxygen Sensor Wires. This one is a little tricky, unplugging them is easy, just twist the locking part press down and pull out but to get the o2 sensor wire off the plastic wire box cover thingy use a 90 degree pick tool and press ...Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product.Jul 11, 2020 · Drives: M5Comp, E46M3 6MT, 328d, M340i. Join Date: Mar 2013. Location: Loma Linda, CA. iTrader: ( 0) I dynoed mine bone stock on Cali 91 gas and it put down 366whp and 369wtq. Adding 1 can of octane booster took it to 372whp and 385wtq on same dyno without unstrapping the car from the rollers. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.99 BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search ForumsDrives: 2016 M235i. Join Date: Mar 2016. Location: Philadelphia. iTrader: ( 0) FBO and BM3 Stage 2 Tune Results w/ Some Strangeness. Finally got my FBO parts and BM3 tune installed yesterday. The build included... Fabspeed Catted Downpipe. Dinan CAI.JB4 Plug and play tune Bmw 340i B58. Installing the downpipe requires an adjustment of the ECU map. For this we have selected a reliable and professional partner, which perfectly matches our downpipes, to solve the problem. A plug and play additional control unit available for BMW with turbocharged engines.Recently purchased a 2018 340i and want to do some basic bolt-ons like exhaust, downpipe and tune. But I still have a CPO warranty until October of 2023 and I don't want to void that if I ever need it. What are my options for tuning the car and installing a high-flow catted downpipe while not getting in trouble at the dealership lol. Vendor: VRSF. SKU: 10202010. Product Type: Performance. $296.99. $282.14. Downpipe Selection: Catless Race Downpipe. Catless Race Downpipe High Flow Catted Downpipe. Quantity: Buy in monthly payments with Affirm on orders over $50. Best Downpipe For B58. I've heard Wagner and ER are really good. Looking for one that's gonna give me the most aggressive sound for my 340i. Car is completely stock right now, just want to match it with my oem non m performance exhaust with bm3 tune (in near future) and MAYBE a muffler delete (will have to see how the dp and tune sound first ...3-5k pulls with the catless downpipe installed. Pretty darn loud, If you ask me. Some WOT videos coming next, until then.. enjoy the sound of the B58, unleas...All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP. There was video posted of an M340xi with a bench flash by a local tuner that tunes all cars (don't know dyno numbers - but I assume that Mission Performance / MHD / PTF are at or above the same level) and results were: on snow tires but dry pavement. had a downpipe (don't know catted or not) 0-60 in 3.45. 1/4 in 11.54.BMW 340i B58 Drive with full Remus catback exhaust (compare to MPPSK M-Performance), Wagner high flow 200 cell catted downpipe (vs catless), Bootmod3 Stage 2...that’s why the car vibrates. If you get a downpipe and aftermarket tune you’ll definitely want to remove the cold start function. (cold start is just supposed to head up the catalytic filter in the downpipe, so that’s why it’s commonly removed after catless downpipe installation.)e. Take care, @the340iguy on instagramOct 13, 2020 · Drives: 2021 M340i x. Join Date: Feb 2020. Location: Chicago. iTrader: ( 0) JB4 on 2021 M340i. I was able to update the firmware from my S58 JB4 to B58 and put the JB4 on my M340i. It made a decent difference on my X3M. I felt it more going backwards (taking it off and going to stock) vs putting it on. Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...Also worth mentioning that the M140i stock tune is 250kw/355hp similar to a 340i with the performance Power kit. We did three power runs with tune loaded and all were very consistent around 390whp, best was 391.8whp. Flashed it back to stock while still strapped down and did three runs, once again all very consistent around 300whp.All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP. Stage 2 (up to 470HP/630NM, up to 500HP on B58TU1) - 91oct/95ron, 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe and no gasoline particulate filter. Stage 2+HPFP (up to 500HP/700NM, GEN1 B58 only) - 93oct/98ron, 95oct/102ron, for cars equipped with high-flow downpipe, upgrade HPFP and no gasoline particulate filter. 19K views 2 years ago. VRSF Catless downpipe install and tune with Bootmod3 (B58 Engine), enjoy! 340i VRSF Downpipe - https://tinyurl.com/ycnrn79j Bootmod3 Tune -... BigDs340i Discussion starter · #4 · Apr 8, 2016. Yes.. That is my white 340i on the front page of their website. 2016 BMW 340i M Sport with Track Handling Package - JB4 Burger piggyback tune. Best 1/4 mile with JB4: 12.32@ 111.58mph.2020 M340i Stock Dyno Number. Those who have been following us on Instagram saw the latest updates we have been posting regarding the support for G20 chassis. We will have a completely different thread started when it comes to flash/tune information for the M340i later on today, but for now, I'm posting the first official Dyno results in stock ... 2021 Porsche 911 Carrera S vs 2018 BMW 340iPorsche Carrera S is 100% stock on the PDK transmission.BMW 340i has a catless downpipe, high pressure fuel pump, ... Also for the launch control being more aggressive, could I tune the launch control to a point where it’s less than stock? Whenever I try launch control I just spin for 3 seconds, before gripping hard. Thus my launch control is useless right now even on brand new Michelin sport A/S 3+. RWD, running MHD stage 2 with downpipe and intake.Jan 1, 2023 · 2018 340i - MHD STG 2+ HPFP ,TU PUMP,MHD-FLEX-FUEL, M-PERF LSD,XHP Stg 2,CSF Heat Exchanger, MPE EXHAUST Mid Pipe BACK, Ross Racing Oil Catch Can, Evo Race Work Downpipe, DAW Inlet, MST Intake, VRSF Chargepipe 2011 335is - SOLD More About Performance Downpipes. The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Unable to Tune - WGDC Boost Drop (Update: Solved) ... downpipe safe to use? ... 340i lsd. nosam1g. 08-23-2023 12:50 PM by kern417. 14:340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product.NYC_340i. Lieutenant . 207. Rep. 547. Posts. Drives: '20 M340i xDrive, '11 X3 28i ... Same reason I'm hesitant on a tune but exhaust wont cause any issues and should ...Jan 19, 2021 · F30 BMW 340i With E85 Tune Runs 10s Quarter-Mile Pass. The previous generation of the BMW 3 Series topped with the corner-carving M3, the F80 with a twin-turbo sixer and a DCT. The truth of the ... 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... I’m running catless downpipe on my m340. Yes it does smell but only if the windows are down and ur at a red light or parked. When driving u can’t really smell it. But the pops and burbles overweights the smell, making it worth it. Instagram @orange_m340i. Appreciate 1. john!smith. 226.00. Quote.340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Akrapovic Sport Downpipe with Cat - F22 M240i, F30 340i, F32 440i. Higher flow downpipe with sport catalytic converter. 3037.36. View Product. 1x pick tool. Step 1 Put car on Jack Stands. Step 2remove airbox ofc. Step 3 Remove Under tray cover. STep 4 Remove Oxygen Sensor Wires. This one is a little tricky, unplugging them is easy, just twist the locking part press down and pull out but to get the o2 sensor wire off the plastic wire box cover thingy use a 90 degree pick tool and press ... The Active Autowerke B58 downpipe for the 340i and 440i helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B58 is quite restrictive, which ... Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe... Apr 25, 2020 · That’s mighty impressive considering it’s all done with an ECU tune. Then there’s Stage 2 which will develop 475 PS (468 HP) and 680 Nm (501 lb-ft), both kits removing the speed limiter. 340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ...Jan 15, 2020 · Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance. Jan 15, 2020 · Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance. Hey guys I recently put in a VRSF catless downpipe on my 340i which I had already done a dual resonator delete on. ( I totally effed up by doing it that order but I originally didn't plan on going catless or tuning but changed my mind). Now that I have both things done the car is really loud but it's a bit too raspy sounding with valves open ...Wow that is incredible for just a tune and a downpipe. Plus it's on snow tires ... 2016 BMW 340i [0.00] G80 + tune= 3 or lower 0-60. Wild times. Appreciate 0Stage 3+ Pure 800. 510-560HP / 525-550TQ**. 535-585HP / 540-570TQ**. 650-700HP / 650-700TQ**. *Power depends on finely balanced ethanol content, peaking at 25-35% and quickly falling off due to fuel pressure. **Heavily depends on tune aggresion, desired power, transmisison, and optional port injection fuel pump upgrade. Best Downpipe For B58. I've heard Wagner and ER are really good. Looking for one that's gonna give me the most aggressive sound for my 340i. Car is completely stock right now, just want to match it with my oem non m performance exhaust with bm3 tune (in near future) and MAYBE a muffler delete (will have to see how the dp and tune sound first ...Downpipe is the single biggest hardware mod for the B58. HPFP being second for the 1st gen BMW engines. The TU HPFP are better. The tune obviously makes a big difference, and octane in the fuel is a large factor as well. The B58 loves ethanol and higher octane.I just put my stock downpipe on for my annual emissions and the dealership visit. Can't wait to get the catless dp back on. I miss the sound to much. Once you do the downpipe swap, the second time only take about an hour to do. Having said that, I'd get a tune also and take advantage of that downpipe running map5.All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP.Reviews (15) We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. This downpipe is THE best bang for the buck mod available. This downpipe is available in both race & catted configuration.Features: NO CEL for catalytic efficiency when using this downpipe. GESI EPA registered high flow and fully OBD2 compliant. Casted upper stainless steel V-Band for precise fitment. 4.50" diameter piping allows for maximum power output. Quicker turbo spool. Rated for 500 to 850 hp applications. Withstands up to 1500 F. Features: NO CEL for catalytic efficiency when using this downpipe. GESI EPA registered high flow and fully OBD2 compliant. Casted upper stainless steel V-Band for precise fitment. 4.50" diameter piping allows for maximum power output. Quicker turbo spool. Rated for 500 to 850 hp applications. Withstands up to 1500 F.Expect power gains of about 10-20whp with a high-flow B58 catted downpipe. Whether you’re looking for a catted or catless option VRSF has you covered. The catless downpipe for the F chassis M240i, 340i, 440i, 540i, 640i, and 740i is $299.99 while the high-flow downpipe is $479.99.VRSF B58 Downpipe Upgrade 2016+ BMW M240i, 340i, 440i, 540i, 740i & xDrive. VRSF. Regular price $350.99 Sale price from $299.99 Save $9.99 Jun 29, 2019 · We're back with a tune install on Sam's 2018 BMW 340i. The results were shocking! Definitely need to throw it on a dyno for a future video.Check out XTR Perf... Best 1/4 mile with JB4: 12.32@ 111.58mph 2014 Audi S4 Prestige with APR Stage II+ ECU Flash and Supercharger Pulley, DSG DL 501 Transmission Tune, APR Intake, APR full RSC exhaust with custom downpipe, APR Cooling Performance Unit Best 1/4 mile = 11.7 at 116 mph 2016 Audi Q5S with APR Stage II ECU Flash 2012 Infinity G37s - sold 2011 BMW M3 ...The Active Autowerke B58 downpipe for the 340i and 440i helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B58 is quite restrictive, which ... Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance.BMW M340i Specs, Horsepower, 0-60mph, Price. The BMW M340i is an impressive car both on paper and in the real world. A lot of the M340i’s performance can be attributed to the engine that BMW chose for it. The B58B3 3.0L inline 6-cylinder is an engine that has a reputation of being a velvety heathen. Like Satan in a smoking jacket.Downpipe for 340i . ... And if you dont plan to tune the car, you will have a cell. Reply saltylmakids 2018 340i Stage 2 Pure Turbo - 525WHP (Toronto ...The boost level settings of a Stage2 tune are too high for the back pressure generated by the resistance of the stock downpipe. The Stage2 tune tells the turbo to spin faster to a point where that stock back pressure can damage the turbo. A catless downpipe has emissions issues depending on your state's requirements. It also has a gasoline smell.Stock BMW B58 downpipe can easily handle a moderate tune, but if you plan on gaining more power from your engine remap, less restrictive pipes are going to be necessary. Again, as with the intercooler upgrade, all performance BMW parts (especially engine retrofits) require additional tuning to unlock the full potential of new, more efficient parts.Active Autowerke Catted Downpipe for BMW B58 F3X M240I, 340I, 440I 11-062. 888-967-5634 Mon - Fri 8:30 - 5:00 PM PST. Search. Products. Vehicles. Racing. Sim Racing.
All these modern engines use the MAF (Mass Air Flow) sensor to measure the air in to apply the proper amount of fuel. You will eventually reach the fuel cap in a stock tune, but you'd never see it from a DP and exhaust. You really need the tune to unlock the potential of the DP. . Puzzle mickey
2018 BMW 340i vs 2017 Mercedes AMG C43BMW 340i has a catless downpipe and OTS 93 tune.Mercedes AMG C43 has catless downpipes and an OTS E30 tune.1st race was...The BMW 340i ECU tune from Gintani includes reprogrammed torque management parameters, smoother engine operations, reprogrammed throttle and response. If applicable it can also raise the RPM Limiter, top speed limit removal, octane ignition timing, optimization of fuel quality, and more power! Downpipe is the single biggest hardware mod for the B58. HPFP being second for the 1st gen BMW engines. The TU HPFP are better. The tune obviously makes a big difference, and octane in the fuel is a large factor as well. The B58 loves ethanol and higher octane. Downpipe is the single biggest hardware mod for the B58. HPFP being second for the 1st gen BMW engines. The TU HPFP are better. The tune obviously makes a big difference, and octane in the fuel is a large factor as well. The B58 loves ethanol and higher octane. Dotcalc · #19 · Oct 22, 2021. JNMNL52 said: I have read many posts regarding the MPPSK in various forums and I am seriously considering this B58 performance upgrade, along with JB4 and Dinan Elite V2. MPPSK is the most expensive performance option of the three that I am evaluating. Most MPPSK owners are thrilled with the sound and performance.2021 Porsche 911 Carrera S vs 2018 BMW 340iPorsche Carrera S is 100% stock on the PDK transmission.BMW 340i has a catless downpipe, high pressure fuel pump, ...bootmod3 B58 - BMW Fxx Gxx 140i 240i 340i 440i 540i 640i 740i 840i Z4M40i M140i M340i X3 M40i X5 X7 Tune. $595.00 USD. Add to Cart. World's First, Most Advanced and Widely Adopted cloud-based flash tuning platform for the BMW F and G series vehicles. Our latest development includes the addition of the bootmod3 CustomROM features that add ...2018 BMW 340i vs 2020 BMW M4 CSBMW 340i has a catless downpipe, high pressure fuel pump, and an OTS E40 Tune on an automatic transmission.BMW M4 CS has an up... BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search ForumsThe Active Autowerke B58 downpipe for the 340i and 440i helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B58 is quite restrictive, which ... Downpipe is the single biggest hardware mod for the B58. HPFP being second for the 1st gen BMW engines. The TU HPFP are better. The tune obviously makes a big difference, and octane in the fuel is a large factor as well. The B58 loves ethanol and higher octane. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan + midpipes + downpipe? Google Search Search Forums Please read description for more information about this car.Follow @B58_Raf on InstagramThis 2016 BMW 340i X-Drive has the track package and the following pe...340i downpipe and tune. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 ... The boost level settings of a Stage2 tune are too high for the back pressure generated by the resistance of the stock downpipe. The Stage2 tune tells the turbo to spin faster to a point where that stock back pressure can damage the turbo. A catless downpipe has emissions issues depending on your state's requirements. It also has a gasoline smell. Stage 3+ Pure 800. 510-560HP / 525-550TQ**. 535-585HP / 540-570TQ**. 650-700HP / 650-700TQ**. *Power depends on finely balanced ethanol content, peaking at 25-35% and quickly falling off due to fuel pressure. **Heavily depends on tune aggresion, desired power, transmisison, and optional port injection fuel pump upgrade. .