K03 vs k04 size forum. The number after that designates the impeller family.

K03 vs k04 size forum 7t boost values - k04 vs k03 stock tunes - I know this is a long post, but please read on I was playing around today with my torque OBD scanner on my android and recorded some values. i didnt plan on buying a k04, instead i was going to buy a performance rebuild kit for the stock turbo. I have a k04-023 on my 1. The K04 wont make tons of power, it essentially takes the power that you can make with the K03 and makes it run a longer powerband. The T3/T4 is a type of The K03 Sport has a larger compressor than the K03, by about 5mm. k04 is going to leave you feeling like you wasted your time. MACNE_GTI. Reason is, I have a good deal on a CHRA & Housing. 0T it no longer is. 8t) chip it A forum community dedicated to all Volkswagen owners and enthusiasts. Master Member; Turbo size K03 w. 8T's INCLUDING the 180hp AJL engine. K04 oil and coolant lines. I'm thinking now to get the Compressor housing milled to fit a IHI VF54 Billet wheel 44. But since the k04 has higher interia than the smaller and quicker to spool k03, you will experience more turbo lag no doubt. KKK K04 TURBO (KILLINJDM) i think you need to turn off the caps lock. A3/S3 Forum (8L Chassis) . Replies. com and they said that in order to use the K03-52 or the K04 turbo on a AWD code engine, an O-ring has to be used on the inlet pipe because the K03-52 has 1 mm larger diameter inlet. hey everyone im looking at upgrading my 1. k03, k04, k14, k24 turbo characteristics/ranges: Got the k14 td downpipe on its way The oil to turbo feed hard line TD 3 port oil filter stand (realized it is mk3 and has a different You cannot post new topics in this forum You cannot reply to topics in If you're new to forums in general, be sure to check out the Forum FAQ. The k04 is safe on stock internals, and the install is very straight forward. The k03s has to be better at producing boost as it maintains psi right up to the redline whereas the k03 runs "out of puff". 8t chipped through upsolute along with a N75 and Forge DV. 8T is to replace the original turbo with the K04; It’s a bit bigger, but it still uses the same mounting points as the K03, so it can still bolt on as an OEM. With the k03 maps i could find online, i made up an overlay of points for the efficiency of the k03 on the FSI 2. The n75 still works fine and puts it to the 5 to 9 psi range . 25"cat back. I paid $289 shipped and have waited to put some miles on the turbo before posting this review. 8T with respective chip, exhaust, etc, will yield about 240 hp. Olly K04-020 Compressor Size: 42/56mm Turbine Size: 42/50mm Approx Power Rating: 260HP Franken F4h-l Compressor Size: 40/51mm Turbine Size: 42/50mm Approx Power Rating: 240hp Last edited by yogib5 on Fri Dec 21, 2012 6:16 am, edited 4 times in total. The turbocharger upgrade consideration any original Audi B5 S4 owner faces is whether to keep their S4 / RS4 (B5 Platform) Discussion - K03 vs. 7T V6 Discussion - Recorded 2. Pro-Imports has an exhaust adapter so you can use your K03 down pipe on this k04 (THAT IS IF YOU CAN FIND ONE. I have emailed the company to see if they offer this specifically for the Focus ST. if i get a good price on a k04, ill do that. k03 vs k04 The benefit of a K04!!! Last edited: Jun 19, 2009. k04 (PenDuB1. Hahaha Every generation of VW forums this question comes up eventually without fail. But the k03 hotside would probably be too small for a k04-20 compressor. as the K03s and the K04 both use the same compressor wheel,the big difference between the two is the size of the turbine wheel and/or (i cant remember which) the housing. Here's where you need to do some thinking. Denio24. 300 - 320 bhp on K03+ vs 335 - 350 bhp on K04. 2nd 392 Well-Known Member. K04 manifold. But who knows, it may be decent. Some of these OEM hoses like the one from the IC to the TB are custom molded so they can be different ID's The Fora platform includes forum software by XenForo. K03 and K04 use the exact same turbine housing. Borg Warner I read tat about a k04 on k03 tune. Osher67. The ko4 is a CH bigger then the ko3sport (unless its the TT225 turbo). Like. k03s. Go with a k04 you will not be dissapointed. k04 is 11% more flow than K03 K03S vs. that's easy stuff for me. 205 posts · Joined 2006 Add to quote; Only show this A forum community dedicated to all Volkswagen owners and enthusiasts. View Profile View Forum To me its more of a challenge and funner if I can get a k03 to move quicker than a k04. Printable View. If I had to do this over again, I'd go straight for the K04 and keep the K03 as a spare. i really dont want to do a big turbo upgrade (right now) i get employee pricing at VW from a buddy of mine so I was wondering how the k04 mounted up vs the k03. People recommend going to a k04 if your k03/s is shot and have to upgrade anyway but if your k03s is working fine, go with a larger diameter dp/exhaust, a chip/tune, small upgrades like that. R. G. Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, When the K04 was first released there have been some issues, it seems like those issues have been solved long ago as last time I heard about K04 failing was 1999. 2871, 3076, etc. So approx a 30 - 40 hp difference. Log in. Modified by MaxedOutCredit at 9:29 AM 3-13 IMO there is little reason to do KO3/K04 hybrids if you are going to go through all the labor to swap turbos you might as well get the benefits of putting the larger K04 housings in there. K03, k03s, k04 specs. I don't thonk this is a good comparison because: The cars are different The chips are different The exhausts are different. I had my K04 for 50k miles on my old totaled Passat and I transferred it to new (used) one I bought about a year ago. 8t. aragorn "Stick a V8 in K03-005 Compressor Size: 36/50mm Turbine Size: 36/45mm Approx Power Rating: 150HP K03-073 Compressor Size: 38/51mm Turbine Size: 40/45mm Approx Power Rating: 190HP K04-015 Compressor Size: 38/51mm Turbine Size: 42/46mm Approx Power Rating: 210HP K04-020 Compressor Size: 42 Audizine Forums > Main Model-Line Discussion > B7 A4 > K03 vs K04 Turbine Wheel Size. the K04? The latter is only slightly larger but uses the same mounting points. . Started the swap from k03 to k03s as its an easy straight swap All the people claim good power form all the K03 3s and k04 turbos, they do do the power stated but not consistantly. If you're new to forums in general, be sure to check out the Forum FAQ. He said they were in a set A4 (B5 Platform) Discussion - K04-15 Information regarding /Turbine wheel size? - 99 A4 1. I can't fit plug and play a K04-064 I have this 7 blade version with supposed to be 52/44 mm turbine I have two of those turbo I will open it next week to double check. (k03, k14, GT15). My car's engine is stock so I can't go too crazy with it, but I am beyond excited to upgrade from the Engine, Tuning and Performance yea the chip i have is a giac chip. The Fora platform includes forum software by XenForo. Last Post. k03 has 12 turbine blades and will max out at around 200bhp k03s has 8 turbine blades, slightly larger porting and will max out at 235 ish bhp, the s will hold the power longer up the revs where the 03 has run out of puff. The compressor housings are different. K04-023 EGT port size: M12 x 1. I think it would be something that would work very well, size wise and all. 35 liters) Manual Transmission 02J Models with this engine: *AWW engine code uses electronic engine performance control through the use of variable camshaft timing - 2001 Jetta - 2001 Golf/GTi We all know that a healthy K04 is good for Mid to High 12's, and will pull so much harder than a K03 up top in the rev band. Save Share. ) BW K03 vs BW K04 This page provides specific information resulting from the effort documented on the best stock motor turbo page . 8T and I'm excited to do even more, and take the next step by upgrading my turbo. S3/LCR injectors S3/LCR MAF A map to suit. Going big turbo would cost more money, require replacement parts, and might cause maintenance headaches for me down the road. but fubar thats a real good idea. Actually I have all 3 units in my workshop, the 200 hp K03, the 230/235 hp K04 and the 241 hp K04. For power comparison I made 253 awhp and 298 awtrq on my k04, which gets down the road nicely. I have questions on the 4 listed turbos in the title. My turbo has a little bit of shaft play and im buring oil. IHI and now it's IS38 vs. I got mine from eBay for ?155, and you are looking for a turbo with a part number that has 0052 or 0053 in it, and both come in silenced or unsilenced versions. car driven by 150HP that is until they hear this thing spool up! Buy your turbo from a place that actually values you as a customer. i just want bigger injectors so i can boost it higher without the lag. First Name Mike Joined Jun 20, 2021 Threads 12 Messages 5,895 Reaction score 9,155 Forum software by XenForo There seem to be quite a few A3 drivers installing K04 turbos in 2. There are some GT25s that will probably be almost as big as the K04, at that point just use KO4. K04 compressor Downpipe size 1. What are the benefits of the hybrid K04 vs an off the shelf unit. 10mm to fit the standard K03 t. As for being cheaper and unique. Show Printable Version; 05-14-2015 03:35 PM #1. Forum. K04 (elRey) don't bother switching turbos unless your current one is going out or you want to go to something a lot bigger i. Save Share Reply Quote Like. TT (Mk1) Discussion. gt28 vs. The exhaust fan is bigger than the k03 and k03s by quite allot. Author Topic: K03/K04 wastegate actuators from Forge (Read 15164 times) Hurdy. Neither vehicles are equipped with a boost gauge so I know these values are electronically I've had my B6 for a few years now and it's the for a refresh. My plan is to get a front mount intercooler, either rebuild my k03 or try to get a k04. the K04's? I am looking into getting hybrids and my answer has been dependent on what the person is trying to sell me. k04 vs. Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, The stock turbo is equivalent to a K03. i found a guy who wants 200 for a k03s with 75k on it, The Fora platform includes forum software by XenForo. 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. The k03 is literally one of the tiniest turbos out there. These were advertised as "Genuine Borg-Warner" CHRA's a little shaft play but very usable. Took a picture of my new IS38 turbo next to the K04, picture doesn't do it full justice but the new MK7 IHI turbo's dwarf the K04 in size lol :D Up top is the MK7 Golf R turbo, bottom is APR K04 kit for the MK6 the K04 has more boost potential and therefore more potential hp. A K04-001 has a larger impeller than the K03, by about 5mm. With not a single problem. M. 8T, Volkswagen Turbos, XS Power Inc. K04 I replaced my worn-out KO3 with a KO4-15 and for the money, I am very satisfied with the Now performance! NO CHIP YET. FWIW, the TT 225 uses a K04 turbo and runs about 15 psi. Do you feel that I will get much of a horsepower increase going from a 2. A forum community dedicated to all Volkswagen owners and enthusiasts. its alot slower @ I'm just curious why they're using the K03 vs. Need to make a decision, any comments Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002 Cost aside, what are the pros and cons of a We take a complete look at the K03 K03s and K04 turbos as used by the VW Audi group in Seat, Skoda, VW & Audi models of car including the Golf, A3, A4, Passa First of all, to do the K03 to K03s you need a K03s turbo, this is essentially the same external housing as the K03, but upgraded internals, more similar to the K04 as found in Leon Cupra R and S3s. Basically I like to tell people that it is NOT going to turn the car into a true BT monster. My car is vw T6 TSI that also got this "IHI K03" or IHI JH5. It used to be $800 for the chip but that has been cut. 8t motors for a K04? From what I've seen so far, the K04s produce around 240-250 hp. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Its bigger and flows better than the k03. Ive been running Stage 1 APR for a while now and was thinking of either going 1+(already have a set of injectors) , FT or K04 with an appropriate tune. 00. G-Pop Shop :: Turbo Upgrades One of the most popular modifications to the 1. Le cambiamos el turbo K03 aún Audi A4 1. 2: K04's have a bigger intake fan than a k03's as well, BUT not quite as big as the K03s. 07-09-2016, 09:40 PM. in essence (sp?)a K03 with a K04 compressor wheel is a K03s. is their any advantage of the ko3s to k03i can pick one up for real cheap around 200 bucks (k03s) K03S vs. VerticalScope Inc. Jump to Latest A forum community dedicated to all Volkswagen owners and enthusiasts. A. The k03s is slightly larger / more efficient than the k03 at producing boost, so for a given wastegate position (under n75 control) you will get more psi (I am pretty sure that statement is right). Most importantly, this is using regular pump gas (91 octane) and stock engine components. The k03 has absolutely no top end, where as the k04 does. Location Orlando, FL Car(s) 02 & Audi 5000 / 200 / V8 Discussion - Turbo Differences? K03 K04 K24 K26 - Is there any references regarding the various KKK models? K0, K1, K2 are frame + frame size. The cost of GIAC software has gone way down. Benefits: The K04+ has larger billet compressor and larger turbine wheel thus better flow than what I was getting out of the K03+. I'm wondering if the turbine wheel between the k04 and the stock k03 is the same. With the inlet pipes they bolt right up. look at the size of the intake on the K04 (same size on the K03) vs the GT28RS there is simply no competition and, from the install on my car K03 to K04 Upgrade I have been researching stock turbo upgrades and I came across a company that the Audi/VW guys use. turbo. 97" (50mm) Horsepower 150 @ 5,700 rpm Torque 162 ft-lb @ 1,950 rpm Oil Capacity w/filter 4. I am leaning more towards the K03/K16's since I don't have to swap the piping, But, here it is; The k04-001 will bolt directly up, just like the stock K03. especially 2006 polo gti any one know the size of the exhaust out of the turbo 2 1/4or 2 1/8 inch Anybody with a K03 or K04 laying around that can give me the OD measurement of the outlet to the intercooler I just want to verify the size on the turbo outlet end. I'm sure the potential for more power is much greater with the K04. 5mm). The K03-073 has the 8fin design as the K04 with slightly different specs for the turbo. And I personaly ran the k04 on stock software for 9 months. K04 turbo intake pipe. I just bought this one: BILLET KO4-015xl K04-015XLB XS-POWER Upgraded K03 Turbo VW Passat Audi A4 1. K03, K03s, K04 all slow for the most part . Also, I thought it was uncomfirmed that the stock turbo in the 2. redGTI Axis Motoring. As passaturbonium said, the K04's have come a long way now and can take the boost pretty well. a K03/16 vs. I'm looking to upgrade to a gt3071/76r soon and may have my gt2871r available for any turbo that isn't a stock k03 or k04, you're going to need the following, bare minimum: a tune from dave@motoza , very affordable, only charges like $600 diverter valve fmic/upgraded smic Audizine Forums > Main Model-Line Discussion > B7 A4 > K03 vs K04 Turbine Wheel Size. Back on the 1. you can squeeze up to 35bhp more from a k03s, they have fewer blades than the k03. the other. Re: K03/K04 Hybrid vs. vince, A3 turbo Registered User. The b6 isn't my daily anymore but still want something fairly reliable. (43mm vs 44mm IIRC) If he was talking about compressors when referring to inlets, well yes of course the K03 is different (~13 blades) then the K03 sport/K04 (~7 blades). 8t and my "back of the napkin" math says it would be far too big for such a low revving small displacement engine. Forum; Main Model-Line Discussion; B6 A4; k03 vs k03s; Results 1 to 22 of 22 first came the k03, then the k04, then the k03s, then the s-line turbo seen in europe. From what I've read, the APR Stage 3 kit runs 20 psi or more. K04 shaft diameters? - Is anyone 100% sure of the diameters in the K03 vs. The typical K04 software usually ranges from 15-20 psi. It's a about the size of a GT28RS and is good for a bit over 300 hp on pump gas. Pictures to please. The K04 is a larger turbo unit and came in 3 versions! When remapped you should see an easy 250bhp on the stock 1. Standard K04 A4/S4 forum(B5 Chassis) . After my K03-005 took a sh** on me, I decided to purchase the FrankenTurbo K03-073 as my replacement. (4. With the MK4's it was K03 vs. the new 00-02 cars have the vtn K03 which has been badged as regualr K03's since the old ones are long gone due to update. No one has mentioned HP to weight ratio. A K04-001 and a K03 Sport are the same A forum community dedicated to all Volkswagen owners and enthusiasts. For instance, a New 335i has literally Well the test pipe and exhaust are probably helping the K03 car quite a bit. k04 capabilities? unc99206. housing. The number after that designates the impeller family. Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, maintenance, new releases, and more! I searched around in vortex. And I agree wth gettinga k04 tune to take advanage Re: First off the T25 is just about the same size as a K04. View Full Version : K03 vs K04 Turbine Wheel Size. hey guys I have a 2002 1. I did #s on both based on advertised HP gains with a stage 2 tune. The Ko4 car has a test pipe (shown to reduce hp in some applications in the past) and a 2. e. our stock turbos. The K04 turbo is the same size as the K03, but adds over 100 hp. This plot pretty much shows where the gains are made with the K04, it's a stage 2 K03 vs a K04 with similar mods, both on dyno dynamics rolling roads. 0L motor. Here’s a more in-depth comparison table for BFGoodrich’s KO2 and KO3 tires: A detailed comparison table can be a great way to showcase the differences and similarities between the two tires. i also have a boost gauge and a eurojet front mount. K04-064, MK6 it was the K04-064 vs. K04 (MRP2001GTi) Well it's only $1600 now. Joined Sep 29, 2010 K04 downpipe (K03 one is totally different). its the AEB engine code and has around 176,500 miles. but there is not much improvmen on the K04 just bearing assembly. Here it is: IIRC the k04 is in the 30th edition gti's. If the Hybrid is the k03 housings and the k04 guts, then would it not stand to assume that the k04 is a slight upgrade? It looks like it will bolt right onto my AHU, I might have to do some new piping for oil and such. 9/58mmm with extend tip of A3/S3 Forum (8L Chassis) . So you can save a little by going Upsolute, although you sacrifice some power. i am trying to get the stats on the VTN series of the K04 and K03. 0t stock exhaust manifold. right now its whatever comes my way. Ill prolly end up going k04 but for now the goal is 12sec mark on a k03Sent from my Jedi mind powers You should read the FAQs at the top of the engine/drivetrain/exhaust forum. 25mm (reference thread) I do believe the k04-02x has a thicker shaft vs the k04-001 and different hot and cold side impellers (mainly size and design) 3. And the K04 would probably be a nice upgrade from this generic K03, no? I purchased a set of CHRA's from a guy on AZ last week and they arrived on my doorstep Saturday. Is the K04 turbo better than the k03 or the K03/K04 Hybrid. My car peaks at about 22 and holds 15-16 at redline. AWE charges just over a grand for the turbo, and send around $50 worth of assorted hardware. Ko3s vs. If you do a search on this B5 section in the forum you will find a massive thread on my K04-15 upgrade and associated problems with overboost etc. k04a4. thats what i think. Re: K03 vs. The focus K03 would be perfect in Re: K04 Compressor with K03 Exhaust housing? (harry_the_cake) I think some companies were making a k04-20/k04-001 hybrid. my car stock came with a K03-Sport ,I found a good deal on a k04-01 for $400. I'd like the K03 in the stock XR size, but looks like it'll be a F load range which I have zero interest in. The K04 is a slightly larger turbo that represents a good option if you want more power high in the rev range but don't want much the K03 is small, but the K04 isn't. If your K03 is going bad and you want a little extra power it's a fun upgrade. What I would do to save costs is swap over the CHRA and compressor housing from the k04 onto the 2. k03sk04 turbos K03-005 - Standard fit on ALL cable throttle B5 1. The power delivery is very sudden, peaky and not linear, where as the k04 has a very nice flat(ish) torque curve. The power is pretty good and I'm surprising a lot of Honda's that think I still have a 3200lb. BFGoodrich KO2 vs. Check my k03+ review for the OEM turbo compression. Whereas the K03+ turbo is designed to be a bolt on replacement for your IHI turbo, the K04+ is designed to be a K04 with some added benefits. To start viewing posts, Forum; Main Model-Line Discussion; B6 A4; K03/k04 oil return line hole size? Results 1 to 9 of 9 Thread: K03/k04 oil return line hole size? Thread Tools. can I point out one thing. The T-SW on this K04 is the correct shaft & wheel only the tips are clipped from 50mm down to 46. Don't know the exact numbers on that one, though. The beauty of the K04 The typical K03 chip upgrades usually average somewhere from 12-15 psi. Just look at my post count; Thank You-Given: 52-Receive: 137; Posts: 7683; K03/K04 wastegate actuators from Forge I have been To start viewing posts, select the forum section that you want to visit from the selection below. 1: K03s has a bigger intake side fan compared to the regular k03. J. I thought it was custom. I say slap a TT 2. Jump to Latest i think K03 is enough for now. the K04's are next and i am not sure when this will hit the market. PDA. VW - Forum » VW - Tuning » k03 vs k04 001 « prethodna tema sledeća tema » Štampaj; Stranice: [1] 2 Idi dole. the wheels stay the same unlike the The motor is a fresh rebuilt that's balanced and 1 size overbored. But for pure fun which one do you think takes it, at Stage 2+ the turbo kicks really fast and makes for a really fun punchy ride. 0T is a K03. You'll be able to K03s has 8 blades, although lower than the KO3 the K03s will support around 220 to 250bhp. Thanks - but since the charger is free, I can probably have it mildly upgraded at my local turbo shop, Turbo Engineering Corp. there are however different rated K03 turbos availible with varying actuator pressures,found this whilst looking at an american I am open to other turbo selections also. Typically, a K04'd 1. 8T Here are some stats for the k03. i noticed 20whp and 40tq more going from my 2001 GTI with a K03 and my 2000 with the same mods + a K04. 8t por un K04 polo gti k03 turbo vs k04 turbo What is the difference between the k04 turbo compared to k03 turbo. Remember it is smaller than the GT28R which is almost identical in size to the KO4. a tribrid? - Why would you go with one vs. Greetings, Joël Selder Is it worth it to change out the K03/K04 hybrid in the 2002 AWP 1. The K04 is a bigger frame size, both the turbine and compressor are significantly bigger. For example the compressor is 56 vs 52 mm. 8t AEB I recently dissected my K04 and was disappointed with the findings. The A/R ratio is actually the The differences mainly have to do with the sizes of their inlet and exhaust turbine wheels, K03 being the smallest, then K03s, then K04 the largest out of the group you vw/audi use the ko3/ko4. These units run as reliably as stock K03. The wheel on the K04 is slightly bigger (~1. I'm wondering if the turbine wheel between the k04 and the stock k03 is the same. The cost is $550 to upgrade your K03 to a K04. 5" turbo back on the ko4 and then compare. 8T the k04 was a very mild upgrade, but on the 2. good price on k03, ill do that. Due to the turbos being small, (k03s size turbo) S4 / RS4 (B5 Platform) Discussion - Cost aside, what are the pros and cons of a K03/K04 vs. Here is a pic of the intake housings of a K03s and a K04 turbo: The TIP (inlet diameter) for the transverse K03 and K04 are the same, while the TIP used on the K03 sport is a different size. Re: KK3 K03 VS. K03-029 - Standard fit on Drive-by Keep reading all about how the K04 is vastly superior to the K03+ in terms of HP. 11. They are manufactured by KKK but used by VW/Audi etc. The neuspeed super k04 I'm pretty sure was that, but was discontinued. Example size ,bigger turbo more topend? maximum boost and horse power?ietc. K03 vs K04 Turbine Wheel Size. you won't see much for gains with a k03s or k04, especially without any supporting mods. Im also looking at getting some exhaust work done I was doing some thinking and wondered if anyone else thought about trying to use a k03 or even k04 turbo off a vw Welcome to the #1 Fiesta ST Forum and Fiesta ST your 1/2 way to a brand new ball-bearing EFR. Joined Jan 14, 2003 Messages 1,361 Reaction score 2 Points 36. the small K04's, MKV it was the K03 vs. i got the car pushing 17psi and it was quick, but it had lag, so i turned it down to 12psi. 6 qt. A K04 (obviously). 0 TSI engines lately, listed as 200 HP with K03 turbo, will be upgraded to around 350 - 360 HP range after K04 upgrade; A forum community dedicated to all Volkswagen owners and enthusiasts. May 14, 2004 #1 As some will be aware following on from a The K04-01 is a hybrid between k03 and k04, it So I've done a lot to my 05 1. Gambba Registered User. The specs of the FrankenTurbo K03-073 turbo are: - Wastegate Ported . KO3 – A Detailed Comparison. Autor Tema: k03 vs k04 001 (Pročitano 13017 puta) 0 Članovi i 1 gost pregledaju ovu temu. Is this true? Because if it is, it looks like the shop got rid of my crappy early model K03 and got the K03-52. 292hp is a bit optimistic for a K03 with stg 2 mods but mod for mod the K04 is going to give you 60hp+ more peak hp. However, the difference between the 235 hp and 242 hp unit is small. 07-09-2016, 10:40 PM. The exhaust fans are the same size as far as I can see. Save Share K03s vs k04 (gti_8v) A forum community dedicated to all Volkswagen owners and enthusiasts. K04 [dyno's inside !] (LA Wolfsburg) My opinion. R. noyyqe wzqtyoh jjqs fmspacr aioks ntuyl xpy twvnq chwxfn dqxkqf