I have the stock exhaust as of right now. I want to get an idea of what other ones sound like. I'm leaning toward the magnaflow but to my dismay i can't find any other vids of the other exhaust options. I only found one of the slp. I have a '07 GXP.

_________________
2007 Pontiac Grand Prix GXP
20% tint all around

not really a whole lot of systems out there for the GXP. Most folks go custom or swap out the mufflers with (insert brand name here) Search youtube for "grand prix GXP (insert brand name here)" Folks have used Borla, flowmaster, dynomax, hooker, and others that i'm sure im forgetting.

i have custom 3'' exhaust but i have an open cutout so here is how it sounds " sounds alot better in person "

here is one

http://www.youtube.com/watch?v=wMseZadf0VI

and another one with rev and walk around skip to 1:50 and it starts there

_________________



05 GP GXP / Cartuning Turbo Kit / Cutout / Ported LS4 intake Manifold / HP Tuned / Custom 3" exhaust / Highflow Cat / SSC Springs / Poly Dogbone Mount's / 2nd Tranny / 12.6@109mph 1.7 60ft