I just found that Dynomax makes and exhaust kit for the GXP. its like 500 so a little cheaper than Magnaflow. I think ill be trying this kit out.
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01-21-2009
I just found that Dynomax makes and exhaust kit for the GXP. its like 500 so a little cheaper than Magnaflow. I think ill be trying this kit out.
01-24-2009
Good luck man, let me know how it sounds and any performance gains. I'm not sure if I want to buy a kit or fabricate my own yetI may just make it a single 3" pipe with no cat that has a high flow borla muffler mounted underneath the rear seats. Since duals "really" doesn't do anything for us. Also makes me sad.
01-25-2009
Definitely looking at an exhaust myself. Would love to hear how the Dynomax works out for you if you do try it out. I looked at the magnaflow myself.
01-26-2009
They said that is only fit the 05 GXP.
01-27-2009
it should fit the cars are all the same, k & n said that about there air intakes too.
There site only has v6 listed where did you find the kit at?
01-27-2009
I went to dynomax's webstie. I did see it on some website but i dont remeber now. The person i talked to said there exhaust was only like 2 and a quarter or 2 and a half inch. To small for me. I think im just goning to get a custom exhaust, with Cutouts, and try the Aero Turbine mufflers out. What does the Hogan downpipe do for the GXP cars.
02-18-2009
one of my buddies has a 2009 impala ss and wants to get an exhaust for it, any ideas? he said flowmaster, but i heard that can actually hurt performance...
02-18-2009
Dynomax is alot cheaper, Magnaflow makes a cat back kits pretty expensive. I never herd that before.
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