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2008 Pontiac G8 Exhaust, Mufflers & Tips

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Latest Customer Reviews

Gibson Exhaust Systems Reviews


just right

Reviewed By Cory B (Trinity, NC) Reviewed for a 2008 Pontiac G8 —1/2/2014 8:32 PM

This exhaust is just what I was looking for. It really opened up the car ALOT. It gives a nice smooth rubble while accelerating but when you get to cruising speed you can barely hear a drone inside the cab. Great hp increase, too early to tell about mpg. Def best bang for your buck.

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PaceSetter QuikTrip Long Tube Headers Reviews


Hello horse power!

Reviewed By Erik R (READING, PA) Reviewed for a 2008 Pontiac G8 —8/6/2013 12:44 PM

I was very pleased with these headers in conjunction with the 3" Magnaflow exhaust I have on my vehicle. The installation was quicker than expected and after a quick tune and dyno, I saw increases of 35-40 HP above the original dyno!!

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Doug Thorley Headers Reviews


G8 Doug Thorley Review

Reviewed By Zachary W (Herndon, VA) Reviewed for a 2008 Pontiac G8 —6/17/2009 8:53 PM

Very nice headers, especially for the price! AutoAnything has fast shipping. Doug Thorley are comparable to more expensive headers from ARH and Kooks. Excellent mid range torque gains. Gained 30whp/wtq on the dyno, my car dynoed higher then cars with Kooks and similar mods. You will need to dyno tune your vehicle to the headers to take full advantage of the power they can produce. A hand held tuner or canned tune won't cut it.

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