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1999 GMC Sierra Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews


Beautiful Sound

Reviewed By Rafael M (Melrose Park, IL) Reviewed for a 1999 GMC Sierra —7/3/2012 10:02 PM

Good quality muffler. Loud but not loud enough to get pulled over. Love the sound once I reach 2,000 rpm.

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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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Gibson Exhaust Systems Reviews


99 GMC Sierra

Reviewed By Randy S (Bedford, IA) Reviewed for a 1999 GMC Sierra —12/24/2011 9:08 AM

Very easy to install. It took less then 2 hours from start to finsh.

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