whats the benefit in replacing the stock one..?if i were to get one id prolly either get a Borla or a Vibrant Performancethe Borla is 400$ and the Vibrant is like 250$why such a price differance?does gas mileage go up or down?is it worth it to replace the stock or no?guess what im asking is to be eduemecatid on this....anyone have a vibrant..i know i think ive seen some with the borla....also some have the magnaflow.....thanks to everyone who responds to this...
one benefit is you lose the septic tank exhaust that Pontiac has on there so you lose quite a bit of weight...another gain is it opens up the breathing of the engine just a bit...however you lose a little torque if you do add one.
2003 Chevy Silverado Ext. Cab, Z71Formerly2003 Base Vibe (Frosty)