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Flowmaster Exhaust Systems Cat Back Exhaust - Outlaw Series - 817726

  • $133.95 - $2,222.95  List Price
  • $869.95  Regular Price
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  • Ships Between 9/19 - 9/23
  • What Do You Drive?


  • Style:
    Dual Rear or Side Exit (409 Stainless)
  • Material:
    With Dual Exhaust Tips
  • Part #:
  • Main piping diameter: 3"
  • Super 10 Series Muffler
  • Includes dual 4" polished exhaust tips
  • Includes exit pipes for dual rear or dual side exit
  • Download installation instructions (PDF)

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Flowmaster Exhaust Systems Part #817726 Customer Reviews

Average Rating

5 Customer Reviews

Amazing Sound

Reviewed by TRAVIS F (El Paso, TX) Reviewed for a 2015 Ford F-150 — Jun 05, 2019 11:34 PM

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The install was easy and sound and performance exceeded my expectations. Truly amazing product and recommend for anyone looking for loud sounding parts with excellent quality steel.

F-150 Ecoboost

Reviewed by Tristan H (PLAINVILLE, KS) Reviewed for a 2015 Ford F-150 — Oct 25, 2018 8:09 PM

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If your looking for a deep mean sound don't waste your money. The quality of this product is excellent and installation was extremely simple. The bad review is completely due to the sound quality. Most videos are extremely deceiving. Wish it would of been made more clear putting this on your truck will make it sound like car.

2015 f150 5.0

Reviewed by Connor L (Hillsborough, NJ) Reviewed for a 2015 Ford F-150 — Sep 15, 2016 5:43 AM

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Easy install and looks good. The side outlets were able to be tucked up super high. Had to tig weld a few places as the clamps wouldn't keep it in place. Super loud


Reviewed by Roger V (Isle, MN) Reviewed for a 2015 Ford F-150 — Jul 08, 2016 9:00 PM

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I purchased the outlaw series for my v-8 f150! It is freaking sweet! It has that low growl you can hear in the video, and it makes me smile every time I start my truck. I'm probably too old to have a truck this loud, but who cares. If you're thinking about it? Do it... You deserve it! Oh yeah, weld it up! Those clamps break if you tighten it too much.

Great Exhaust!

Reviewed by Joseph K (Jessup, PA) Reviewed for a 2015 Ford F-150 — Aug 12, 2015 8:12 PM

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Great exhaust for the money however I wished Flowmaster would allow you to choose chrome tips over the black tips the outlaw comes with but they won't and make you buy them separate. The only other negative I had was my local exhaust shop said one of the mounts was not the right one but they swapped it out for me. The exhaust sounds good and gives Ford ecoboost some much needed noise.