hey first post just bought a 99 1.8t and a k04 turbo with it i was wondering if a intercooler kit would be a good idea as well?

It would be a good idea:

APR sells one http://www.goapr.com/Audi/products/i...oler_fmic.html

or you can DIY for significantly less: http://www.audiforums.com/m_382435/tm.htm

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Sold the blue one, now rockin a 2000 1.8TQM

thanks dude i was also wondering if a borla cat back would be ok or if i absolutley have to go 3 in on the exhaust

borla sounds sick!! but expensive. custom piping would be the way to go. and it would sound good!!!

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1996 A4 2.8 12v::K&N intake::Magnaflow exhaust::Ecodes::S4 front bumper::12" kicker and JBL amp::::TO COME: 18" BBS RC:ainted lowers::PES supercharger