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1989 GMC C/K 3500 Performance Mufflers

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Latest Customer Reviews

Flowmaster 50 Series Delta Flow Mufflers Reviews

From 40s to 50s

Reviewed By THOMAS C (GARLAND, TX) Reviewed for a 1985 GMC C/K 3500 —4/4/2013 8:22 PM

One of the best purchases I have made. I went from the 40 series to the 50 series. I am not saying there is anything wrong with the 40 series, as a matter of fact I put a set of them on my 1985 GMC k3500 454 27 years ago. I just changed them out a week ago to the 50 series. Yes the 40s were on their last days, but I would say I got my monies worth. What other muffler that you know of will last 27 years. Needless to say they were a little too loud for me at this point. The 50s fit the bill for me

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Magnaflow Performance Mufflers Reviews

Sounds fantastic on my 87 mustang

Reviewed By PAUL B (BROCKTON, PA) Reviewed for a 1987 Ford Mustang —3/19/2018 8:07 PM

I couldn't be happier

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Flowmaster Street Performance Mufflers Reviews

Best on the market

Reviewed By Lawrence B (SALUDA, VA) Reviewed for a 2003 Toyota Tundra —3/16/2018 6:11 AM

I owned 4 of them, put them on all my trucks and cars, love the sound and performance.

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