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Help for more power.

thegrillboy

Full Member
Joined
Oct 1, 2003
Messages
45
i have 2004 z71 and am looking for the best performance upgrade. Such as: Exhaust but not too loud, air intake and software.
 
Scroll through this performance section...hundreds of posts on performance upgrades....but not many with 2004 have posted yet on what they have done
 
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