All I really want to know is if it is possible to put big turbos in a b5 s4 engine bay. I know there are the k04's but i feel like if im spending all this money on turbos on want to get big turbos instead of just upgraded k03's. I just purchased a 2001 s4 and i am just checking to see what my options are long term. If you know of different, larger, turbos that can be used please let me know. Thanks a lot!

Jeff

 

gt25r

 

And would the gt25r be considered a big turbo? Also what kind of figures do you think can be achieved with these turbos. Is there anyone that has done this turbo set up before?

Jeff

 

Mostly prototype now, but I would say expect to see them more often in kits within the next year or two. It's a garrett turbo (2 of them mind you) so... yeah, should be some nice power, im guessing you could get a decent 550 tuned properly.

 

there is a kit out there already but i dont remember who put it out they are making a ton of power

 

you could do teh gt28rs i believe..i dont remembe the exact letter combination at the end.. as wel..tehre are a few prototypes of those..

 

you could do teh gt28rs i believe..i dont remembe the exact letter combination at the end.. as wel..tehre are a few prototypes of those..

 

Pretty sure it's ASP that's doing the gt's. Now, I say "pretty sure"--you can confirm it by going onto Audiworld and doing a search. Also, I think the gt's are more than just prototype now. IIRC, it's a $10k+ kit.

 

There is a Gt28 kit out there now, it's $16,000

Don't forget it's custom headers, DP's inlets, IC's and tuning, lots of custom stuff.

How much power do you need? A well done K04 car is FAST, really fast, a 400+ whp, and over 400ft-lbs of torque is
very impressive! There are VERY few cars on the road that are faster.

 

I dont know how fast I need it, well not any faster than it is stock, but I want it to be faster. Come on guys you know that every time you put it down you just love the feeling and the grin that comes across your face. But thanks a lot for the help. I'll go do some searches and what not now. I know the K04 is a great kit, I just thought I would check and see if there are bigger and better kits out there.

Jeff