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Hummer H3 Flowmaster Performance Mufflers

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Latest Customer Reviews

PaceSetter Exhaust Manifold Catalytic Converters - 49 State Legal Reviews


1/2 the $ higher performance then OEM

Reviewed By Mark B (PITTSFIELD, ME) Reviewed for a 2006 Hummer H3 —5/21/2016 9:06 AM

More lower end torque and way less then gm

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Corsa Performance Exhaust Reviews


H3 Corsa cat back, Corsa gave incorrect info to Autoanything,

Reviewed By Bob Y (Shaver Lake, CA) Reviewed for a 2006 Hummer H3 —10/22/2014 9:46 PM

have high flow stainless header and high flow cat forward system with Magnaflow cat back which was rusting, ran very strong and decided to try the Corsa 3 in. cat back system for more flow and lower tones, It arrived an the whole system is only 2.5 in. and not 3 in. as advertised, I phoned Corsa and was told to run it that the smaller tubing flows better, after a week the power is noticeably down on the grade i drive daily, have to drop a gear now, I dont fault Autoanything ,hope for sum help

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Flowmaster Exhaust Systems Reviews


Overall nice dual tip exaust for 2007 H3 Hummer

Reviewed By Mark F (springfield, IL) Reviewed for a 2007 Hummer H3 —9/19/2014 2:44 AM

was louder than I liked so I replaced the muffler with a GM product which reduced down the load tone. overall I had a pickup of speed which was a plus.

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