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Flowmaster

Flowmaster 817706 Outlaw Extreme Cat-back Exhaust System

    • Based on 51 reviews
Condition: New
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$372.55 Why this price?

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Returnable until Jan 31, 2025

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Saturday, May 10
Order within 17 hours and 19 minutes
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Features

  • Extreme Sound for Extreme Lifestyles
  • Stainless Steel Construction
  • Flowmaster Reliability
  • Race Proven Outlaw Muffler Technology

Description

Flow master 817706 Outlaw Extreme Kit

Brand: Flowmaster


Item dimensions L x W x H: 42.7 x 20.6 x 13.7 inches


Vehicle Service Type: Car


Shape: Round


UPC:


Shape: Round


Material Type: Plastic


Compatible with Vehicle Type: Car


Global Trade Identification Number: 96


UPC: 700042032396


Manufacturer Part Number: 817706


Brand Name: Flowmaster


Manufacturer: Flowmaster


Item Weight: 15.3 Pounds


Item Dimensions: 42.7 x 20.6 x 13.7 inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, May 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Idle sounds great, truck sounds bad@$$ driving around
Style: Base Product
I've had this for a couple months now, figured I'd wait before I wrote a review. I was in search of something loud, but not extremely loud. I think this hits the nail right on the head. I listened to a few other systems on other Silverados before purchasing. I thought I was going to get the American Thunder kit until I heard it in real life and realized it's not loud at all. I knew I needed something louder. Goy exactly what I was searching for. Idle sounds great, truck sounds bad@$$ driving around. Makes a hell of a lot of noise if you get on the accelerator moderately or better! Doesn't sound cheap. Drone isn't bad, and I'm someone who hasn't had loud exhaust before. That being said I am not very sensitive to sound. Drone can be loud and rattle your truck at low low RPMs. 2013 Silverado 5.3 LT Z71 4X4 ... show more
Reviewed in the United States on November 29, 2017 by Damien
    • Easy install with a fantastic end result!
Style: Base Product
Just bought a new truck and wanted to upgrade the sound to something more aggressive. Stumbled upon the Flowmaster outlaw kit as it looked easy to install and I have had experience with Flowmaster before with good results. This kit was no different. Easy is easy. It's ment to be a stock replacement, so if your truck is not 100% stock in terms of the exhaust, some modification will be required. That's what happened in my case. After removing the old muffler, I didn't have enough pipe for the new Flowmaster to reach the hangers. With a little extra work, I installed an extension to the pre existing pipe, and everything clamped down smooth. The sounds is awesome in my book. Has a good rumble at idle after a cold start, but once warmed up, it quites down quite a bit. Open it up though, and the pipes scream a wonderful deep rumble! ... show more
Reviewed in the United States on August 20, 2019 by Jeramy
    • Stay away from this exhaust!!!!
Style: Base Product
Review Image by Ryan Ryan
The media could not be loaded. I bought this for my 2010 GMC Sierra 1500 with the 5.3 motor. It is not loud enough at all like they advertised. It is not a direct bolt on on either. The exhaust pipe on my truck is 3 inch diameter and the new muffler piece is 2 3/4 inch. Wouldve been nice to know before I chopped my stock muffler off. I will NEVER buy another flowmaster exhaust again! ... show more
Reviewed in the United States on December 9, 2020 by Ryan Ryan
    • Easy install and great sound!
Style: Base Product
Awesome sound and easy install. Unlike a lot of reviews I read on various sites, it showed up painted completely black. The hardest part of the install was removing the stock muffler and tail pipe...once I cut the mild steel pipe in front of the muffler with a chain pipe cutter, I couldn’t get it over the axle in either direction so I ended up cutting the stainless pipe behind the muffler as well. My chain pipe cutter barely scratched the stainless so I used an angle grinder. That made it easy to get out. Initially, the Flowmaster pipe would not fit over the stock exhaust pipe but some careful application of a hammer fixed that. Lastly, the supplied clamp doesn’t seem to tighten enough to make a truly secure connection so I will take it to the shop this weekend and have it welded. It’s tight enough but I really don’t want any play in it at all. No way it’s going to fall out or anything, just want it completely tight. All in all it took me a couple of hours after work this evening...well worth it for the relatively cheap price tag and the great sound. Aggressive but not overly loud...even my wife likes it! ... show more
Reviewed in the United States on May 14, 2019 by Benjamin Miller
    • It’s good for the price.
Style: Base Product
I haven’t even installed yet and I am disappointed, the whole set up isn’t even entirely painted. It’s a small thing but it looks like something I could have done with a rattle can. Just installed it and the process is simple, little bit of work trying to get the muffler over top of the pipe but with a grinder and sanding wheel slipped right over. Truck sounds really good, nice low rumble and turns some heads when you get on it. Couldn’t be more pleased by the installation and the sound but still disappointed in the presentation of it. ... show more
Reviewed in the United States on October 30, 2018 by devin
    • Freaking perfect!
Style: Base Product
Got it today, cut out my factory exhaust, then installed this one. Sounds amazing and the vibrations put the little one to sleep. Truck sounds like a BEAST!
Reviewed in the United States on April 22, 2020 by mike
    • Awesome Flowmaster cat-back exhaust for sure!!!!!!
Style: Base Product
I like it because the product is exactly as described. It also performs just as the product information says it will. My order was received quicker than the original Shipping quote which was a bonus, and the price was right for my budget. I would most definitely read this product a 10 out of 10 and recommend it in the future for sure.... ... show more
Reviewed in the United States on July 30, 2016 by Amazon Customer
    • Good sound no drone not bad at idle loud when you want it to be
Style: Base Product
Fit was great
Reviewed in the United States on July 14, 2019 by aaron t pettit jr

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