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GMC Diesel Exhaust Systems

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Latest Customer Reviews

Gibson Exhaust Systems Reviews


Final fixture/appearance

Reviewed By Kevin C (Whitman, MA) Reviewed for a 2015 GMC Sierra —3/24/2017 4:13 AM

Once the exhaust was installed it did not line up equally under the bumper from left to right straight out the back The exhaust had to be cut and customized to go out at an angle on both sides to make line up correctly

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Borla Exhaust Systems Reviews


Not quiet

Reviewed By James T (Moodus, CT) Reviewed for a 2015 GMC Sierra —3/18/2017 7:50 AM

I purchased the ATAK version for my 6.2 and wow what a difference from stock. Cold start is very loud but it mellows a bit as it warms up to a nice rumble. You hear it on acceleration and some lower speed cruise conditions. Highway cruise you barely hear it. I don't hear any drone with afm still active either. In closing if you really want hear that v8 sing go ATAK, if you kinda want to hear it sing go s-type and if you want slightly louder than stock go touring or the GM Borla. Looks great

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Flowmaster Exhaust Systems Reviews


Z71 GMC 4x4

Reviewed By Roel C (Mission, TX) Reviewed for a 2015 GMC Sierra —1/30/2017 8:14 PM

Easy instructions, can follow from step to step. Being the first time to attempt this projecf on my own, I killed it, two easy hours and done. Great sound from the super 50 and the chrome tips were the bomb. But do you get some much growl outside but maintain a quiet interior. FLOMASTER RULES

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