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Chevy Avalanche Exhaust Headers & Manifolds

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Latest Customer Reviews

Gibson Exhaust Performance Headers Reviews


A must buy for any vehicle!

Reviewed By Robert M (MEMPHIS, TN) Reviewed for a 2012 Chevy Avalanche —6/4/2014 9:07 PM

These headers instantly provided more HP and gas mileage. If you are on the fence about purchasing headers, you shouldn't be, these headers are exactly what I was hoping for. I've purchased a cold air intake, gibson dual exhaust and superchips power programmer over the past years. The headers provided the most noticeable HP and MPG gains. Only issue was the lack of detailed instructions when removing exhaust manifolds. Additional tools required, O2 sensor removal required and not mentioned.

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Doug Thorley Headers Reviews


Great performance gain

Reviewed By steve g (HIGHLAND, IN) Reviewed for a 2008 Pontiac Grand Prix —3/8/2017 8:21 PM

Great gain in performance, but did add a little more noise from exhaust.

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Flowmaster Scavenger Series Elite Headers Reviews


the lazy engine is gone!

Reviewed By Javier C (Mcallen, TX) Reviewed for a 2007 Chrysler 300 —11/14/2016 8:34 AM

Headers paired up with Legmaker True CAI V2 and 87mm throttle body gave my engine a throatier, deeper sound. The engine doesn't feel lazy anymore and it has better throttle response. Noticeable gains in HP and torque. Diablo predator added a couple of weeks later and a custom tune and it feels like a new engine. Cannot wait to install a new exhaust and cam.

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