Not sure which 2008 Pontiac Grand Prix Performance Exhaust Systems are right for you? We have over 7601 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Wow! I was a little worried at first thinkin that the exhaust would not change too much on the sound or performance. boy was I wrong... as soon as I unpack the box I knew I made the right choice. it look easy to assemble but I paid a local shop 90 dollars to put it on. as soon as I turn the key it put a smile on my face. the sound is perfect not too loud and not too quiet. my v8 actually sounds like a v8 now. the service with auto anything was beyond anything else that companies offer these days" —Tiffany L from Elko, NV bought a Magnaflow Exhaust Systems for a 2008 Pontiac Grand Prix, GXP, 5.3L V8.