Mine isn't 3" O.D. piping.. so it's not really over kill. Sounds great and makes the engine really feel openined up combined with the intake.

plus.. I's gots a magnaflow sticker on my car... +50hp right there.

2006 Pontiac G6 3900SFI GTP Coupe CAI, Stainless Cat Back, Vector Tune, Strut Brace, Eibach Pro Kit, Custom Made Projector Headlights, 4300K, 20% Tint Former Owner- 2000 "Stryped" CSVT CEG Dragon Run- Oct 13-15