Help deciding on what chip to get for tip B7 S4!
I'm not sure if this was covered in length, but whats the best chip out there for a tip B7 s4?
Giac, Revo, APR??? Also has anyone experienced engine trouble or passing smog checks? (i live in california)
thanks!
Giac, Revo, APR??? Also has anyone experienced engine trouble or passing smog checks? (i live in california)
thanks!
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