2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
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Flowmaster Outlaw Dual Exhaust System; Side/Rear Exit (14-18 5.3L Sierra 1500)Find parts that fit my vehicle
Item S503510
Sierra 1500 Sales Techs:
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
$899.96
334 Reviews
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-10% $899.96 kit Was $999.95
Ship to: 43215
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$299.00
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Improves Horsepower and Sound
- 3-Inch Tailpipes
- 4-Inch Exhaust Tips
- Stainless Steel Construction
- Super-Aggressive Sound
- Black and Ceramic Tips
- Easy Installation
- Limited Lifetime Warranty
- Fits 2014-2018 GMC Sierra 1500 Models with the 5.3L Engine
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear - After Tire |
| Exhaust Loudness | Aggressive |
Description
Flowmaster Exhaust. Getting the best sound out of an exhaust system can be tough since there are so many different exhaust systems available on the market. Flowmaster has long been known for their high-quality exhaust systems and the Outlaw Cat-Back Exhaust is no exception. The Outlaw Exhaust is a great way to achieve an aggressive sound and increase performance in your GMC Sierra.
Stainless Steel. The Flowmaster Outlaw Exhaust is constructed of stainless steel and uses 3-inch diameter tailpipes that flow out to 4-inch-wide black and ceramic exhaust tips. This system is completely bolt-on, and no welding is required.
Warranty Information. Flowmaster includes a limited lifetime warranty on their exhaust systems. Please see full manufacturer warranty for additional details.
Easy Installation. The Outlaw Exhaust can be installed easily in about 2 hours.
Application. The Flowmaster Outlaw Cat-Back Exhaust fits all 2014-2018 GMC Sierra 1500 models with the 5.3L engine.
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Fitment:
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
Flowmaster 817689
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Exhaust Piping
- (6) Connecting Clamps
- (1) Installation Hardware
Tech Guides:
4.7
Customer Reviews (334)
Questions & Answers
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Will It Fit My Sierra 1500
- 5.3L V8 - 14, 15, 16, 17, 18
Designed for Double & Crew Cab Models. It is not compatible on 2WD Crew Cab Models with 2-Piece Driveshaft.
