[skypyro]

well just had the dealer put on the intake from gm. i can notice a difference on how fast the it revs. past 3000 rpm, sound's mean too, now looking for and exshaust, i found online a magnaflow #16647 has any one done any thing else to add preformance

 

[JohnD]

Check the Performance thread; there's all kinds of goodies there from other exhausts, ECM Reprogramming, headers - the works.