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    Flowmaster Street Performance Mufflers

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      Power up to an enriched driving experience with Flowmaster Street Performance Mufflers perched from your ride's back end. When you ditch that stock muffler and hit the gas with Flowmaster in your corner, getting behind the wheel is always a pleasure.

      With tones that vary from mild and moderate to aggressive (depends on model), heads are sure to turn whether your cruising on that daily drive or burning rubber at the weekend track. And, Flowmaster mufflers go above and beyond your expectations when it comes to improved gas mileage, torque and horsepower.

      Made for your year, make and model (may require modification during installation), these Street Performance Mufflers by Flowmaster also reduce heat and other stress factors on your engine. What's more, your new Flowmaster is backed by a 3-year warranty on the aluminized steel mufflers, and a limited Lifetime Warranty on the stainless steel mufflers.


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      Flowmaster Street Performance Mufflers Customer Reviews

      Average Rating

      73 Customer Reviews

      Great muffler

      Reviewed by Raymond B (Memphis, TN) Reviewed for a 2008 Ford F-150 — Jun 24, 2017 8:29 PM

      Ease of Installation
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      Outstanding service, fits like a glove, I should have stepped it up for a more richer sound, but I was being cheap! Sounds quite but that is what I requested!

      Not happy with fuel milage!!

      Reviewed by Lyle P (Juneau, WI) Reviewed for a 2011 Chevy Suburban — May 08, 2017 4:07 PM

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      I bought a Super 50 muffler to get better milage for I've got AFE air cleaner on now for a year.I also noticed that the muffler is as quiet as the old muffler.I didn't notice a fuel mileage gain as to today I had to go somewhere and put 117 miles on and only got 18.4 where as the same trip with old muffler I got 20.7 mpg. I've got a 2011 suburban w/3:42 gears which gives me low RPM's. Don't understand why because I put one of these on my 2500 pickup with same Engine but w/3.73 gear's

      Sounds awesome on 2017 Ram

      Reviewed by John K (Saint Johns, MI) Reviewed for a 2004 Ford F-150 — May 03, 2017 2:11 PM

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      Definitely worth the price aND easy install! !

      Flowmaster the only way to go!

      Reviewed by Nicholas P (Richmond, TX) Reviewed for a 2014 Ford F-150 — Apr 25, 2017 6:49 AM

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      I have had the 40 series on my 90 mustang 5.0 a real attention getter. A 70 series on my 2002 Silverado which I loved. Two weeks ago I installed a 70 series on my 2014 F150 5.0. Perfect combination of sound on acceleration and quiet when cruising.

      Nice product no complaints about it.

      Reviewed by Jeremy B (Baytown, TX) Reviewed for a 2000 Ford Expedition — Apr 05, 2017 10:32 AM

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      I like the product it is what I been needing for a while now and I'm glad that I get it to sound good on my truck..