S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

Ok, what's the next size pair of turbo's that can fit in the space provided where the KO3's are?....

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Old Oct 23, 2001 | 04:59 PM
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Default Ok, what's the next size pair of turbo's that can fit in the space provided where the KO3's are?....

Also, I noticed a few guys have the KO4 upgrade and everything, and that's great but is being over 400Hp reliable for you guys so far?

I would assume yes considering that you upgraded your mounts, clutch, brakes, etc.
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Old Oct 23, 2001 | 05:11 PM
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Default Haven't had a single problem, stock mounts, clutch and brakes...

You wouldn't believe how well built the car is..much like the supra, the stock parts can hold up to a lot more abuse than you think. 6000 miles on my K04 swap, not a single problem or DTC. As I said before, I'm confident that the car is more reliable than ever!
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Old Oct 23, 2001 | 05:16 PM
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how much you pay for the k04 upgrade, zerin?
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Old Oct 23, 2001 | 05:27 PM
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I heard around $6000 for them. It's and intensive install from what I heard.
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Old Oct 23, 2001 | 05:33 PM
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Actually $6500 installed. The trans has to be dropped.
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Old Oct 23, 2001 | 05:55 PM
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Trans has to be dropped? Says who?
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Old Oct 23, 2001 | 06:13 PM
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You can do turbos and downpipes without dropping the trans. It's tight but it can be done.
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Old Oct 23, 2001 | 06:44 PM
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I've heard the whole motor comes out.
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Old Oct 23, 2001 | 07:09 PM
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...and that doesn't include downpipes; if you want those it's over $7,500.
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Old Oct 23, 2001 | 07:11 PM
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RS4 turbos.
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