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Flowmaster Original 40 Series Mufflers

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    Features

    Description

    Get the original aggressive Flowmaster sound that puts serious punch into your vehicle's presence and power. The Flowmaster Original 40 Series Muffler maximizes horsepower, torque and flow with its two-chamber design-the original two-chamber Flowmaster muffler.

    If the roaring sound of an engine is music to your ears, you'll love the Flowmaster 40 Series. Aggressive sound is maximized outside, while high-volume interior resonance lets you hear every push of the pedal. It's this total sound design that makes the Flowmaster 40 Series the centerpiece of many of Flowmaster's outstanding American Thunder Exhaust Systems.

    Ideal for early muscle cars, off-road rides and dual exhaust cruisers, the Flowmaster Original 40 boasts the quality construction you'd expect from Flowmaster. Each Flowmaster muffler is built with 16-gauge aluminized steel for corrosion resistance and fully mig-welded for maximum durability. Best yet, your Flowmaster Original 40 Series Muffler boasts a 3-year warranty.

    Notes

    Flowmaster Original 40 Series Mufflers Customer Reviews

    Average Rating

    81 Customer Reviews

    Damn fine muffler

    Reviewed by ray n (SANFORD, NC) Reviewed for a 2015 Toyota Camry — Jul 03, 2016 11:36 AM

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    I love the sound,performance,power and gas mileage boost. I am extremely happy with my flow master and I recommend it to everyone I encounter. You have an excellent product.

    2015 challenger install

    Reviewed by dennis m (LAURENCE HARBOR, NJ) Reviewed for a 2015 Dodge Challenger — Jun 03, 2016 4:52 AM

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    These made my 2015 challenger sound like a 68 challenger. Aggressive true muscle car sound u couldn't be happier!!!!

    My Original Flows 40

    Reviewed by Raphael S (CALUMET CITY, IL) Reviewed for a 2008 Chevy Impala — Oct 28, 2015 4:37 AM

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    I think it's too early to tell. Don't believe their at actual sound yet. Need to brake them in some more cause they should sound more pronounced I believe. We'll see .

    Great

    Reviewed by Robert S (Davenport, IA) Reviewed for a 1973 Chevy Camaro — Oct 10, 2015 10:32 AM

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    Easy buy. Great rumble. Cake for my exhaust guy to install!

    Really good

    Reviewed by Jordan A (NARRAGANSETT, RI) Reviewed for a 2008 Subaru Impreza — Sep 17, 2015 9:16 PM

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    I ordered these to put on my 08 Subaru Impreza and it gave it an amazing sound. I needed new piping to adjust to the size of the inlet and after it was done the sound came put great!