Flowmaster 817726 Outlaw Cat-Back Exhaust Kit 3 Inch Stainless Steel 4 Inch Black Ceramic Coat Stainless Tips Compatible with 2015-2020 Ford F-150 2.7L 3.5L 5.0L except Standard Cab Short Bed & Raptor
Condition: New
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 5 left in stock, order soon!
Arrives
Dec 29 – Dec 30
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Features
- Large 4.00-inch Black Ceramic Coated Tips
- Includes Rear and Side Tailpipes Exits
- Super 10 Series Performance Muffler
- Stainless Steel Construction
- Lifetime Limited Warranty
Description
Flow master 817726 Outlaw Muffler Kit
Brand: Flowmaster
Item dimensions L x W x H: 58.5 x 16.25 x 11.25 inches
Shape: Oval
UPC:
Manufacturer: Flowmaster
Brand: Flowmaster
Item dimensions L x W x H: 58.5 x 16.25 x 11.25 inches
Shape: Oval
UPC: 700042032174
Manufacturer: Flowmaster
Global Trade Identification Number: 74
OEM Part Number: 817726
Model: 817726
Item Weight: 71 pounds
Product Dimensions: 58.5 x 16.25 x 11.25 inches
Item model number: 817726
Is Discontinued By Manufacturer: No
Exterior: Painted
Manufacturer Part Number: 817726
Date First Available: March 27, 2015
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 29 – Dec 30
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Very nice system dose not disappoint good direction all pices are numbered have stickers on inside of pipe for each pice sounds awesome flowmaster doesn't disappoint
Reviewed in the United States on July 23, 2025 by Amazon Customer
This exhaust is LOUD. It will 100% wake the neighbors. When they say “aggressive sound.. they aren’t joking. Install was pretty quick on my 2018 f150 xlt 5.0. First exhaust arrived damaged.. mike with revel immediately shipped out another exhaust and I had it in 3-4 days. Kept me in the loop every step of the way. Hands down some of the best customer service I’ve gotten in a while. If you’re wanting the loudest exhaust for your truck.. this is it. Side note.. when going from the stock single exhaust to this dual exhaust.. it will be louder for sure, but you will lose some power at lower rpms. Just food for thought.
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Reviewed in the United States on August 21, 2020 by Gordon J Burrito
I installed the muffler system myself. It is a quality system which was easier to install than expected. I did it myself in about 3 hours (that includes time to take out the stock system). The only problem I had was the packaging of the muffler system. Everything was packaged well with the exception of one muffler tip which was not packaged. That said, the muffler tip was scraped up a bit. The seller has been very good about replacing the tip. The seller is conscientious about providing excellent customer service. If you like a loud muffler system, the Outlaw sounds fantastic!
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Reviewed in the United States on January 18, 2021 by Scott Wilding
This kit is SICK!!! Just finished installing on my 2017 f150 and OMG am I impressed. Install was straight forward and fit perfectly. Decided to go with the straight out the back and all the necessary pipe and fittings work perfectly. Talk about sound!!! this kit will make everyone notice you and the Mustang next to you will be envious. The power and throttle response is impressive. I can't say enough about this kit. If you like loud, throaty, and aggressive this is the kit for you. Honest install time with no rack and basic tools is 2 hours.
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Reviewed in the United States on July 28, 2018 by Jim D.
Installed on my 2016 F-150 Lariat 502a. They are louder than I thought but wow do they sound good. A little worried when someone is standing to close to the truck when I start it. It makes people jump a little bit. If you are at all worried about them being too loud than they probably are not for you. I love the sound though it sounds amazing, just not for someone that wants a nice rumble. If you want to turn heads going down the road there is not better exhaust IMO than the outlaw.
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Reviewed in the United States on October 28, 2016 by Chase
It sounds great on my 5.0L, and I like the look ...however, I spent far longer than I should have trying to install this. Everything slid together nicely, but I question the QA/QC of these parts since the clamps either weren't compressing the pipe enough to secure it, or the pipes were not the right size for the clamps. I don't suggest anyone get this unless they can easily pop a tack weld themselves
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Reviewed in the United States on December 31, 2021 by Amazon Customer
I have a 3.5 l2018 F-150 and this exhaust really is best I’ve ever heard on a v6 super aggressive sounds great doesn’t sound ricer, it has deep tone took about 1 hour with 2 people small adjustments had to be made but not everything in life is perfect had a small issue with delivery but that’s on fedex sucking balls overall great! Si quema cuh
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Reviewed in the United States on December 4, 2020 by Johnny Guevara
Fit my 2015 xlt double cab f150 3.5l ecoboot. I attempted to install this myself with the clamps and the instructions. It didn't work so well due to the clamps not getting tight enough for a hold. I also had the weld break on the tip. Reached out to customer service for flowmaster (A+ service) and got a replacement. Took everything to a local muffler shop. Got it all welded on and evened out which is what I would recommend to anyone doing this. Top price for the work i got from a local shop in az was $130. Got it done for $90. Performance is great.
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Reviewed in the United States on March 2, 2016 by The Nam3less