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GMC S15 Pickup Performance Mufflers

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Latest Customer Reviews

Flowmaster 70 Series Big Block II Mufflers Reviews


Flowmaster 70 series big block

Reviewed By Chad H (Lake Charles, LA) Reviewed for a 2013 GMC Sierra —3/29/2017 4:55 AM

Overall, I am happy with the muffler. As my daily driver and primary family vehicle used for traveling, I didn't want anything too loud. This muffler is a little louder than what I expected, comparing to a 50 series installed on same truck. I removed the 50 series last year and had to go back with the factory muffler due to a drone when pulling my trailer or boat. Using Flowmaster's sound chart, I thought the 70 series would be only choice as it looked to be the quietest muffler Flowmaster makes

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Flowmaster Super 50 Series SUV Mufflers Reviews


Flowmaster 50 series

Reviewed By Isaac W (Hempstead, NY) Reviewed for a 2003 GMC Yukon XL —2/24/2017 1:41 PM

very happy with the overall online purchase experience... I had the dual exhaust and muffler professionally installed..Sounds great... Thank You

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Flowmaster 40 Series Delta Flow Mufflers Reviews


Great sound

Reviewed By Brandon K (CATLETTSBURG, KY) Reviewed for a 2005 Chevy Avalanche —8/15/2017 9:25 PM

Louder than I anticipated (but not too loud). Wonderful sound overall. Very satisfied with my purchase!

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