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    GMC Sierra Performance Exhaust Systems

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    Latest Customer Reviews

    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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    Gibson Exhaust Systems Reviews


    Did not fit out of the box - modifications required.

    Reviewed By DeWayne W (Raleigh, NC) Reviewed for a 1999 GMC Sierra —1/9/2017 9:18 AM

    I have a 1/2 ton 1999 GMC Sierra Extended Cab Long Bed pickup and Gibson is about the only company that still makes an aftermarket cat-back system that will fit my truck. It was supposed to be a simple bolt-on installation, but the exhaust system was too long and didn't line up with the stock exhaust hangers on my truck so I had to cut one pipe shorter. I'm still working with Gibson on a few issues, but overall the quality isn't bad however the fitment issues were a huge disappointment.

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