F21 turbo vs k04. I have several options.

F21 turbo vs k04 8T ko4) at 205 or 215 can't remember for sure and aftermarket companies get it up to 235-245 pretty easily. 4 @ 124 mph on pump gas I believe…using hybrids. 02. Jan 6, 2019 · AWE vs ER Intercoolers; Best Stock Motor Turbo. 8T longitudinal, K04-20/23 for the TT225HP, and K04-025 & 026 for RS4. BW K03 vs BW K04; BW K04 vs FT21; TTE550 vs FT21; TC Stg 1 vs BW K04; Exhaust Heat Shield Wrap. Apr 19, 2014 · I had K04's in my old S4 with just about the same setup as my F21 car now, not much of a difference, maybe a tiny slower spool but I wouldn't say that is very noticeable. Feb 12, 2015 · News Home; Industry News; Motorsport News; Feature Articles; Forum Home; Audi Customer Experience; Model-Lines; Tech Talk; More Car Talk; Regional; Gallery Home Sep 5, 2010 · Since his kit came with exhaust manifold, turbo, TIP, and TT225 MAF for less than the cost of a new BW K04, I was convinced that it was a good option to go with while I plan the next phase of my engine build (cams, bigger turbo, and maybe more). You're better off finding a set of blown f21's (200ish) and buying some new CHRA's for them. Manufacturing Specs: Nov 8, 2001 · Re: Turbo Inlet size on K04 vs K03 (Gambit) Im getting dynoed on sat I have no idea what the numbers will be but i will be very happy with 210-220hp at the wheels and 240 ft/lbs of torque. com/watch?v=w96sXIGIJrk-~-~~-~~~-~~-~- Jun 22, 2018 · When I bought the car it had a miss fitting air filter that let the turbo breath unfiltered air (wrong year filter, it was too short). 9K views 7 replies 4 participants last post by Hxc_kid0900 Aug 11, 2015 Since I last gave a look at the FrankenTurbo F21 there has been an update made that legacy F21’s can take advantage of. 8T, K04-015 for Audi 1. Nov 25, 2017 · Used and rebuilt RS6 turbo's might be a better choice, but that's just my $0. 8T with K04 or F21 turbo upgrade, and 2. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow When I bought the car it had a miss fitting air filter that let the turbo breath unfiltered air (wrong year filter, it was too short). 3-1. Airbox Flow Test; Bipipe flowbench: Test 1. Options: Stock Replacement Cartridge @ $247; Mahle K04 for $800; F21 @ about $1100 Apr 12, 2018 · AWE vs ER Intercoolers; Best Stock Motor Turbo. Get an aggressive Stage 2 tune and start seeing what breaks so when you go to stage 3 you have less fixes to make. Dyno sheet compares to k04 car running similar setup. It is clear that the airflow through the RS6 turbine housing is substantially greater than of that through the RS4 K04 and FrankenTurbo F21 turbochargers. TT225 or VR6 “3 inch” MAF housing (with the stock MAF sensor inside) Bosch 550cc injectors @ 3bar; Bosch 630cc injectors @ 3bar; Turbo back exhaust; Front mount intercooler; Upgraded diverter valve; Features: Improved responsiveness and power K04 Replacements If you want to replace the stock K04 turbo, here are a few good options to consider: Stigan 847-1435 having SKU 40-30002 SH. Custom oversized, 4-ply reinforced turbo inlet pipe and, a 2-year limited warranty. also, for example bw rates the ko4-001 (1. I see a ton of people post about F21 and Frankenturbo setups, but no one comments on APR K04 Setups? APR’s endless pursuit of perfection has resulted in the most comprehensive 2. 8 liters Mar 10, 2016 · AWE vs ER Intercoolers; Best Stock Motor Turbo. This dyno shows stock vs frankenturbo f21 vs my billet k04-001. 5 / Tires: 255/35/19 / Solo werks Coilovers / OE S4 Front Brake Upgrade Kit 11-21-2016 01:57 PM #33 Sep 19, 2013 · The only thing FT did was provide the turbo kit, Steve did the magic in the tune that made the power possible. 4 bar and iv pulled fourth gear to redline while maintaining 1 bar of boost. If the F21 tuning had been optimized, based upon the dyno results obtained today, this is how the F21 might compare to the K04. B5 S4 F21 VS K04 E85 STOCK MOTOR. Jan 6, 2017 · If by "fitment" you refer to the 180 degree inlet direction difference and different turbo housing, I suspect yes, it's mostly fitment. This new information is helpful but has raised more questions for me than have been answered. Page 2 of 3 First 1 2 3 Last. Jul 22, 2009 · CTS k04/ APR k04 File / AWE Quad exhaust / FMIC: TR8 VIP VRC 13 : 19X9. 3 and 11. This is not surprising, the TC compressor wheel is only slightly larger than a K04 compressor. Doug suggested that I give his F21 turbo a try. Both the APR and JHM kits appear to be similar, while the JHM kit is at a better price point. Some infomration I have collected on F21’s can be found in these posts: F21 compared to K04; F21 Dyno Baseline; The Turbo Engineers provide a number of turbochargers options for the B5 S4. Pump out some fun with a performance turbo. which is insane to me Even compared to the F21 below, the spool response between the K04 and F21 is huge. Any other turbo option will require an all new tune and injectors at a minimum, and most likely other hardware. The FrankenTurbo F21T hybrid turbo gives you the option of running the turbo upgrade on your stock tune and components or upgrading your tune and components for a more powerful experience. My car loves race gas and the race program from APR too im getting addictted to it May 13, 2013 · My stock turbo (2. Using 93-octane fuel, the APR K04 Turbocharger System produces an astonishing 360 horsepower and 382 ft-lbs of torque. Could those injectors push enough fuel for that turbo? Even with a conservative tune? Will my stock exhaust & intake manifolds work for that turbo? Dec 28, 2007 · This turbo can be tweaked a bit, and if the driver has the money to spend, tuners like MTM have produced K04's with supporting mods that are good for as much power as a BT setup. Mar 22, 2008 · FYI, RS6 turbos are also K04s, just like K04-001 for VW 1. My Meth K04 car and Non-Meth F21 car run the same FATS. ) Making the case for the FrankenTurbo. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow 1 shows this turbo at 266whp The second set of graphs show it against some known competitors after a retune. $500 rebate offer for testing/tuning feedback. *Be sure to clean out any intake related components to remove any possible contaminants. ) and simply "drove off" with a car that ran as smooth as it was stock, stage 2+ and K04 (had a BW K04-064 prior to my F23T). Mar 28, 2015 · No matter what, youre buying a tune and injectors for the stock, K04, or F21 so that is a sunk cost. 3. Of course you've also given up some in going from K03's to K04's, so at the end if you choose the RS6/K04 what you are going to experience is giving up more than 300-400 rpm in response. No dates were ever given and many said it would never happen, but APR is proud to release our K04 upgrade kit for the transversely mounted VW's. 7T kits are becoming the go-to option for both affordable and reliable power. ATP Eliminator 2 Kit w / 3071 and Eurodyne 630 file trust me it killed the E05B powerband and WHP went up by well over 90HP Designed as a high performance replacement for the longitudinal 1. Frankenturbo and BBT are both K04 based hybrids with varying specifications. Mar 2, 2014 · The torque advantage of the K04 will translate into a perception of greater response, though the F21 is no slouch, still there is around a 50 ft-lb difference at 2500 rpm which grows to a 75 ft-lb difference through approximately 3500 rpm. 8 liters; 1998 to 2004 Volkswagen Passat 1. Aug 11, 2015 · The F21 does not spool up quicker than BW K04. F21T from FrankenTurbo Build Thread!!! Hi Guys, I thought should start my build thread and my experience with my golf Mk4 1. The claims are with the map, exhaust and turbo are: 235 hp 265 ft/lbs and with what looks like a different map, injectors and a front mount Jan 20, 2019 · AWE vs ER Intercoolers; Best Stock Motor Turbo. I haven't done any research to what the f21 is capable of but I would take a k04 over the f21 any day of the week just for reliability reasons. Buy a used K03s turbo. This apr chip spikes at 1. Jan 12, 2017 · Audi RS6/K04 Turbocharger Flow Test. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow Pump out some fun with a performance turbo. I have Eurodyne flash running at 18-21 psi with the stock turbo. I'm looking to upgrade my turbo this summer to either a K04-02x, F21, or GTTX but I'm not sure which is the best option. Motor F21 Turbo, FMIC, Green Tops Apr 30, 2014 · I suggest going with a Borg Warner K04 and upgrade to the APR K04 tune($200 for existing customers). At 160,000 miles the stock unit is not sounding all that good. 251whp/248wtq. It seems that anything even 1mm larger than K04 has crazy spool lag vs K04. When I bought the car it had a miss fitting air filter that let the turbo breath unfiltered air (wrong year filter, it was too short). Dec 12, 2014 · AWE vs ER Intercoolers; Best Stock Motor Turbo. EPL tuned Frankenturbo F4H. I think the F21 has a 50/42 turbine and a custom compressor wheel thats a little smaller than the wheel used in the K280 (which uses a 56/42 wheel from the 8LS3) Aug 11, 2015 · The F21 does not spool up quicker than BW K04. The options remain: Borg-Warner K04; FrankenTurbo F21; Project B5 Oct 27, 2014 · News Home; Industry News; Motorsport News; Feature Articles; Forum Home; Audi Customer Experience FrankenTurbo designs, balances, and assembles their turbochargers in the USA using 2618-series aluminum billet compressor wheels and Mixed Flow turbine rotors. In the last picture shown you will see e dyno. My budget is $2000 for EVERYTHING needed to perform an install (turbo, exhaust mani, injectors, MAF, software, gaskets, etc). I installed F21 turbo + exhaust Manifold + TIP and turbo is not getting more than 7 psi and I can hear the boost getting out. K04 Dyno MTM K04 Dyno GT2X (BT) It seems like a wolf in sheep's clothing. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow F54 Super-TD04 Twin Turbos for BMW N54. 4 with K04 turbos also at Sacramento…but full interior, full weight, full exhaust, full everything vs. 1. jay’s no exhaust at all and K04 killing file. Hybrid turbocharger kit for VW/Audi 1. I have several options. Sep 26, 2022 · XSPower K04-001xlb Jump to Latest 427 views 1 reply 2 participants last post by BoostedHatchback Sep 27, 2022 Apr 4, 2007 · I saw a website in in the Revo stage 2 vs K04 post that sells K04's, and they offer to have the housings ported and polished. (The F21, TTE550, and TC Stg1 flowed approximately the same so I have omitted the TTE550 and TC Stg1 data from the chart to make following the lines easier. I think the F21 has a 50/42 turbine and a custom compressor wheel thats a little smaller than the wheel used in the K280 (which uses a 56/42 wheel from the 8LS3) Mar 9, 2015 · There is no inconsistency now, it's 9psi on all new F23T's. Dyno of F21 car on e85 car. 0" Silicone, Longitudinal B5/B6 Audi A4 1. Options: Stock Replacement Cartridge @ $247 Mahle K04 for $800 F21 @ about $1100 GT2871R @ about $ 1500Eliminator Jan 4, 2015 · Frankenturbo billet F21 with mixed flow turbine wheel. Part 2: Downpipe Thermal Wrap; Flow Tests. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow May 4, 2018 · JHM also claims this turbo is suppose to be able to flow more than the K04-064 so it should be faster. Options: Stock Replacement Cartridge @ $247 Mahle K04 for $800 F21 @ about $1100 GT2871R @ about $ 1500Eliminator F21 + meth vs K04+meth and built Evo X (video) Printable View. APR K04 Stage III Frankenturbo F4H-BT; FrankenTurbo F21; TiAL 605 Turbo Kit. 8T Frankenturbo F21T on Stage 2+ Unitronic, Bosch 440cc injectors, 3" MAF, Eurojet race FMIC, 42 Draft Designs 3" exhaust. The F23T is physically still a K04 on the outside. At an airflow seen around 3500 rpm and 20 psi the K03 is operating at 70% efficiency while a K04 around 63%; it's unlikely the K04 is discharging cooler air at that point. KKK K04 TURBO (vdubstreets) well I think you need to shut your dity c**k dumpster, that's what I think!!!! Modified by KILLINJDM at 11:54 PM 7-18-2007 Nov 16, 2015 · AWE vs ER Intercoolers; Best Stock Motor Turbo. However$$$$$. Hybrid turbocharger kit for Audi 2. Remove and rebuild current turbo. Sep 17, 2005 · Turbo Inlet Hose, 2. Their popular F21, F23, and Bi-Turbo 2. Only difference is boost levels up top. ECS Tuning now offers an exceptional new complete bolt-on turbo upgrade kit that The FrankenTurbo F21 hybrid turbo upgrade allows you to use the turbocharger K04 or K04 hybrid turbo (K04-022, FrankenTurbo F21/F23, Gonzo Tuning Annihilator GTT, etc). I replace my K03s with an F21 as well, 2004 Jetta 1. Feb 24, 2015 · Frankenturbo and BBT are both K04 based hybrids with varying specifications. I had my shop foreman install mine, I'm running Uni's K04 file (all supporting mods including S3 injectors etc. TiAL 605 Kit Install Aug 5, 2007 · the turbo may be capable of more but the fueling may not be. 75" ID TT225/VR6 MAF housing. The Frankenturbo value proposition seems to mostly be about minimizing fitment issues by using the same turbo housing - I think that's why they recommend F21 for K03-based engines and F23 for the K04-based engines. Apr 13, 2016 · I need some opinions from fellow dubbers. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow Dec 13, 2016 · BW K04 vs TC Stg1 (54F vs 48F) I have not logged any meaningful increase in airflow from the Turbo Concept’s turbos as compared to K04’s operating under similar conditions. K04 Stg3 Pre-Turbo Pressure; K04 Dyno Baseline; FrankenTurbo provided a set of their mixed flow F21 turbochargers for evaluation. Buy your turbo from a place that actually values you as a customer. 8T AWD engine code. Apr 2, 2018 · Since I last gave a look at the FrankenTurbo F21 there has been an update made that legacy F21’s can take advantage of. This kit is a straight forward turbo swap that makes a big difference May 24, 2013 · AWE Tuning Performance K04 Turbo Upgrade Kit | AWE Tuning From what I can see, they are selling; Turbo Fuel pressure regulator spark plugs and a remap The also state that you require a better exhaust. $2,499. Feb 25, 2016 · FrankenTurbo vs K04 Peak DynoJet numbers . I would have thought that having the 50/45 wheel in K04 housing would be a good medium vs 50/45 in RS6, but I havent seen flow data of that to show. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow Dec 20, 2012 · A lot of you saw that video of my exhaust shooting oil, so my turbo is almost definitely done. A decent tight budget alternative to the BW K04 is Turbo Concepts Stage 1 turbo. Still perky around town. This Stigan High-Performance New Turbocharger typically fits the following vehicles or similar: 1997 to 2006 Audi A4 1. Options: Stock Replacement Cartridge @ $247; Mahle K04 for $800; F21 @ about $1100 Nov 17, 2014 · SRM K04 RS4+ (K04 Hybrid Turbo) These SRM turbo’s bring a new twist to the candidate pool because they are similar in size to the FrankenTurbo F21 and ProjectB5 RS4-X on the compressor side, though the SRM uses a billet compressor wheel, but on the turbine side it is using a clipped wheel. You want the K250/280/300 range for K03 fitment on the A4. Unfortunately, the turbo has been out for a few years and they have provided zero evidence to support this claim as of yet. 8T K03/K04/F21 w/ TT225 MAF Part Number: 034-145-A042 Designed as a high performance replacement for the longitudinal 1. (different tunes, EPL Meth vs Daz F21) - I also had a Lee tune on the K04 car, ran the same as Jul 16, 2010 · E05B Turbo from Eurospec (a tad larger than the K04-001 Turbo and probably very similar to the frankenturbo) w/ GIAC K04 file 3. 7T Bi-Turbo Engines Pricing starts at $1699 Price including oversized inlets: $1899 Material Specifications 2-year limited warranty Designed in the USA & Manufactured to Meet or Exceed OEM Specs 10-blade MixedFlow Mar-m246 alloy steel Turbine roto Anti-surge 2618-alloy aluminum billet compressor wheel 42CrMo High-strength rotor shafts 360˚ alloy Thrust Bearings Feb 28, 2014 · On the other hand, if the RS6 turbo is less effected due to an already delayed boost onset, as compared to K04’s, the delayed torque onset results shown above would be less important. For power comparison I made 253 awhp and 298 awtrq on my k04, which gets down the road nicely. graphs. The information shown below was recorded using my Audi B5 S4 with each turbocharger option. No boost Hybrid turbocharger kit for VW/Audi 1. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow Oct 14, 2020 · Upgrade K04 F21M Billet Turbo Charger For Mini Cooper R55 R56 R57 R58 R59 R60 R61 1. . 8T longitudinal Starting price for base kit: $1199 Starting prices for turbo kit, fueling & software: $1838 Here's What You Get in the $1199 Base Kit: MixedFlow hybrid K04 turbocharger with billet compressor wheel High-volume, Silicon Molybdenum alloy exhaust manifold Custom oversized, 4-ply reinforced turbo inlet pipe & adapter for stock-MAF housing Material 1 shows this turbo at 266whp The second set of graphs show it against some known competitors after a retune. If you just want more power and to be done with it, go K04. If you're into tuning and want to be able to constantly tweak and adjust your settings, go with the frankenturbo. I K04 vs FT21 The second direct comparison of the search to find the best stock motor turbo involves the BorgWarner K04 and FrankenTurbo F21 . 8-17-13 Installation: Installation was done at Auto Union Tuning in Huntington Beach. jared/snowtrooper (I think) went 11. Jul 19, 2015 · Ko4 vs frankenturbo Jump to Latest 7. Background:. Constructed from high quality, automotive grade silicone using 4-layers of reinforced nylon with wire reinforcement - this hose will not collapse even under extreme vacuum. Jump to page: 10-24-2014 Aug 18, 2013 · I know there have been a lot of questions surrounding this turbo and I'll use thread for updates on how things are going with my results and build. My current APR K04 was removed and F23T installed. I can get a F23L, k04 hybrid for a good price (genuine BW turbo). Jan 18, 2016 · AWE vs ER Intercoolers; Best Stock Motor Turbo. After looking at the various options out there, I’ve narrowed it down to the APR K04-64, JHM K04-R, and the Frankenturbo F23L. 0 TSI K04 turbocharger system and tuning package in the world. Feb 2, 2014 · AWE vs ER Intercoolers; Best Stock Motor Turbo. You will certainly be way under the $1500. As FT has developed a turbo for the BMW N54 engine the legacy F21 turbo’s can be retrofit with a similar product that leverages the work being done for the BMW engine. No other hardware changes are necessary, and the APR K04 tune is ROCK solid. Options: Stock Replacement Cartridge @ $247; Mahle K04 for $800; F21 @ about $1100 MixedFlow hybrid K04 turbo with billet compressor wheel. Go with a k04 you will not be dissapointed. youtube. Mar 8, 2017 · Just fishing for some inputI currently have an APR Stage 1+ Setup. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow Apr 7, 2013 · Frankenturbo F21 + stock tune "Review" Guys I have a question. Our kit includes the K04 turbo, the compressor inlet O-ring, four turbo outlet studs, one manifold to turbo gasket, 4bar fuel pressure regulator, and one turbo to downturn gasket. Aug 16, 2006 · As for the k04 combo, i am curently running modified k04-0023 turbo and it put out 302 crank hp and 334 lb/ft of torque. This is the same for 4ceFed4, he can brag about his numbers all day long, and I would find it equally out of place for G'Tuning to say here's our 400whp turbo! The competition says, 250whp kit, capable of 350whp+. After driving my S4 with an EPL tuned 605 kit for almost 6 months I decided the less responsive low end pull, as compared to the K04 setup I’d had previously, and what I felt was a significant performance drop in higher temperatures, were reasons to consider other options. While the two products are similar, there are some important differences that can influence the decision making process. Aug 30, 2014 · 2003 Volkswagen GTI 1. Don't agree with Boostfactory, because i never get bored with a lot of torque down low (full bost 1,55 bar reached around 3300rpm in 2nd gear). 6T DESCRIPTION: K04 Hybrid F21M Turbocharger (Billet Compressor Wheel 62mm) Compatible Makes and Models: For Mini Cooper R55 R56 R57 R58 R59 R60 R61 1. 8T transversal Starting price for base kit: $1199 Starting prices for turbo kit, fueling & software: $1838 Here's What You Get in the $1199 Base Kit: MixedFlow hybrid K04 turbocharger with billet compressor wheel High-volume, Silicon Molybdenum alloy exhaust manifold Custom oversized, 4-ply reinforced turbo inlet pipe & stock-MAF housing adapter 2-year limited Jul 24, 2014 · You are giving up some response going from a K04 to the K04 hybrid, and then you give up some more going to the RS6/K24. These are posted on my facebook pages as well along with a full review from a customer from Columbia. (does this require any special skills or knowledge? Or could i figure it out through how-tos and youtube?) 2. 6T OE Number: 53039880118 53039880146 5303 988 0163 5303-988-0163 53039880163 53039700163 11657565912 11657600890 7575653 Features: Bigger compressor wheel than Oct 12, 2011 · Agreed. Jul 18, 2007 · Re: KK3 K03 VS. Show 100 post(s) from this thread on one page. 1 shows this turbo at 266whp The second set of graphs show it against some known competitors after a retune. The FrankenTurbo F21T hybrid turbo gives you the option of running the turbo upgrade on your stock tune and components, or upgrading your tune and components for a more powerful experience. The question of FrankenTurbo vs K04 is a common one facing B5 S4 owners looking to upgrade their car from the stock K03 turbochargers. Dec 3, 2013 · A blanket statement like K04 air is cooler is incorrect, it depends entirely upon where on the map the turbo is operating. It really depends on your desired power goals, powerband, and what you want out of the car. Buy a used K04-001, direct replacement right? Jun 22, 2014 · That being said, if it comes to K04 vs Frankenturbo, really it depends on what you want. 00 Feb 24, 2015 · No, the 418T is a S3-K04 hybrid. Is anyone else still fielding stage 3 kits for the B5 platform that would be similar in reliability and cost to the K04’s? 034 bundles the K04’s with a larger MAF, 550cc injectors, and spark plugs. May 17, 2014 · AWE vs ER Intercoolers; Best Stock Motor Turbo. If you're still on a stock tune I think you're getting ahead of yourself making Stage 3 plans. May 26, 2016 · -~-~~-~~~-~~-~-Please watch: "We visit PDA Racing - E46 Racecar, Cool Toys, and Car Parts" https://www. FrankenTurbo F23 hybrid K04 for S3 / TT225 / MkIVPerformance comparison of differing K04 hybrid designs, including power gains made by aftermarket "high-flow Nov 10, 2015 · So Im thinking of doing a little power upgrade on my 04 USP, car has 125K on it. Use it as a bolt-on repair option for a trashed K03, or as a direct fit performance upgrade. 0T - Auto) blew and I’m looking to upgrade the turbo system (all components are currently stock). I don't have the part #'s in front of me, but RS6 turbos are also from the K04 family, just like a 50trim and 60trim can be from the T4E family. 8t Awp engine. AWE vs ER Intercoolers; Best Stock Motor Turbo. Designed as a high performance replacement for the longitudinal 1. I forget what doug charges for new centre's but it's cheap. I have 410cc RS6 OEM injectors right now. Since then a customer’s car with a more conservative JHM K04 racegas tune has gone high 11. RS4 Bipipe: Test 2; White Dog Racing Bipipe; XS-Power Bipipe Flow Test; Cylinder Head Flow Test; ASP Downpipe Flow May 3, 2013 · I have a budget set aside to buy OEM K04’s or RS6 turbos if I can find them and the supporting mods to get the most out of the twins on E85. wzoiw eritn nkewi cybe cjggvw becz uhbndvw kwhk jyga uragt dtjr uqqjjkk pciwe txdeh rjazz