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Chevy Avalanche Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

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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Flowmaster Super 44 Series Mufflers Reviews


Nice piece

Reviewed By Jacob P (APPLETON, WI) Reviewed for a 2011 Chevy Avalanche —8/15/2017 12:14 PM

Nice replacement that shaves some serious weight, growls low, isn't too loud. Does drone for me a bit in 4 cylinder mode. If your truck is like mine go find some 3 inch Outside Diameter piping and 3 inch inlet outlet muffler and they'll go together well

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


relatively easy to install, good quality, 1/2 the cost of OEM.

Reviewed By Shannon W (PLAIN CITY, OH) Reviewed for a 2003 Chevy Avalanche —7/18/2015 4:47 AM

The internal monolith in one of my factory cats broke loose on my 2003 Avalanche which is a common problem in GM trucks of that age. It was rattling around and caused a catalyst efficiency check engine code. GM Dealer wanted $1500 to source and install their $800 part. The chat window opened and a parts specialist confirmed fit for my application and even knocked a little more off the price. They beat Jegs, Summit, Rock Auto pricing substantially.

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