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GMC Envoy Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 50 Series SUV Mufflers Reviews


great sound

Reviewed By THOMAS H (CLARKSVILLE, TN) Reviewed for a 2004 GMC Envoy —9/25/2009 10:21 AM

this flowmaster sound great and the sound is not that loud/perfect just the right tone.

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Flowmaster 70 Series Big Block II Mufflers Reviews


Flowmaster 70 for Toyota Tundra 2007

Reviewed By David P (Galveston, TX) Reviewed for a 2007 GMC Envoy —1/23/2008 2:08 PM

Great sound with little to no resonance inside cab. Had a muffler included with the JBA exhaust system and it was junk. Stainless steel, but just a big glass pack. The resonance inside cab was horrible. The 70 series sounds good on the outside without the resonance inside the cab.

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Flowmaster Super 44 Series Mufflers Reviews


turn some heads with this one

Reviewed By ryan h (Lamesa, TX) Reviewed for a 2014 Ford F-150 —2/26/2015 2:59 PM

The sound is awesome, mellow at idle with an aggressive growling rumble on acceleration that mellows out again at cruising speed. I would leave the stock resonator in because there is a slight 1700-2000 rpm drone if you don't. The truck gets plenty of compliments on the sound and has more low end torque.

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