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GMC Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Super 50 Series SUV Mufflers Reviews


Sounds sweet Chevy 5.3

Reviewed By marshall m (Eaton Rapids, MI) Reviewed for a 2004 GMC Sierra —1/4/2016 4:21 AM

I'm kinda old school so I went with the 50 series. Sounds mean on take off but purrrs like a panther on the highway.

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Flowmaster Street Performance Mufflers Reviews


Sounds great!!!!! 40 series

Reviewed By charles t (FOUR OAKS, NC) Reviewed for a 2014 GMC Sierra —4/15/2015 8:59 AM

Muffler sounds great when added with a k&n 77 air intake. Just remember new sierras and silverados, need to have the exhaust adaptive valve locked in full open position for full effect. Spring loaded valve damper inside pipe 6 inches after factory muffler. There to keep down sound when in v4. Does not effect performance of vehicle. Also remove the resonator. Worth the investment!!!!

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Flowmaster Direct-fit Catalytic Converters - 49-State Legal Reviews


Honda

Reviewed By Anthony L (Gig Harbor, WA) Reviewed for a 2000 GMC Yukon XL —2/5/2015 8:22 PM

Great price and great fit

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