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Flowmaster Pro Series Mufflers

  • $107.95 - $244.95 each  List Price
  • $96.95 - $219.95 each
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Running straight headers might give you the edge at the track, but missing mufflers on your daily driver makes you a pariah in your neighborhood. Fortunately, you can tap into the raw power of an unrestrained exhaust without worrying about the Jones' leaving flaming bags of poodle patties on your doorstep—you just need Flowmaster Pro Series Mufflers.

Maximum performance and a mellowed-out aggressive tone are the hallmarks of the Flowmaster Pro Series Muffler. The patented Laminar Flow design keeps hot gases racing along at warp speed—all while turning down the volume on your engine's natural roar. Not only do you experience hotter horsepower, but you still get invited to your cul-de-sac's block parties.

Universally sized to fit a host of stock and aftermarket exhausts, Flowmaster Pro Mufflers pair perfectly with high-powered SUVs, diesel rigs and RVs. Plus, their sturdy stainless steel internals and 16-gauge aluminized casing make them sturdy enough for track and off-road use. To top it off, Flowmaster backs your performance muffler with a limited Lifetime Warranty.


Flowmaster Pro Series Mufflers Customer Reviews

Average Rating

4 Customer Reviews

Smith trucking

Reviewed by Jefferson H S (Wheelersburg, OH) — Aug 09, 2017 10:37 AM

Ease of Installation
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It works excellent on a 660 Kenworth 475 cat

Quiet Power

Reviewed by Carroll J (Palm Springs, FL) Reviewed for a 2016 Ford F-150 — May 14, 2017 6:00 PM

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I have a MBRP 4 inch system on my 2016 Ford F150 3.5 ecoboost, System gives great power but is loud as heck. When the original MBRP Muffler split at the seams I decided to give this a try. It's perfect. No raspy ricer whine or drone, It's deep and throaty, and not loud. Doesn't sound like a V8 obviously, but doesn't sound like Ricer Crap either.

I was pleasantly surprised at tone and power

Reviewed by Joseph P (Fort Washington, MD) Reviewed for a 2017 Dodge Challenger — Jul 31, 2016 12:32 AM

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I put the pro series muffler on 2006 dodge 2500 cummins diesel pickup that has a 5in exhaust from the turbo back. (( the cat has been removed)) previous muffler had way to much drone in the cab it was very bad. Placed an order with auto anything had my muffler in 3 day had it put on and Boom , No Drone Quite cab and great power I mean power you can feel through out the power band IMy truck make about 450Hp and I love this pro series muffler

Exhaust drone

Reviewed by Robert M (PORTLAND, OR) Reviewed for a 2014 GMC Sierra — Dec 28, 2015 8:47 PM

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Trying to reduce drone in my truck especially towing. Temporarily mounted the Pro at the end of the tailpipe. Measured sound reduction at 3-4 dB with some drone reduction. Not the final answer when dealing with the drone issue.