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1999 GMC Sierra Performance Exhaust Systems

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Latest Customer Reviews

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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dB Performance Exhaust by Corsa Reviews


Excellent

Reviewed By Andy Z (Munster, IN) Reviewed for a 1999 GMC Sierra —12/25/2014 8:27 PM

Replace the standard exhaust which was very loud. This system looks better, sounds better (quiet at idle and growls on acceleration). Had it installed and they were very impressed with the quality and ease of install.

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Flowmaster Exhaust Systems Reviews


Ba BAMM!

Reviewed By PAUL C (Crestview, FL) Reviewed for a 1999 GMC Sierra —2/26/2012 5:35 AM

My truck has gone from some meek, muffled 5.3L 99 GMC Sierra to "holy cow can you believe the sound of that thing!" Nice...NICE rumble on cold crank and smooth on idle. Exactly what you want. Inside, the high RPM, low gear tone can get defening for a SHORT time. Under power...hoo boy...nice baby. Cruising speeds, hardly notice it at all and that's what I was looking for. Big bang in town, nice and sweet on the highway. Get this system.

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