Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
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Flowmaster Outlaw Extreme Single Exhaust System; Turn Down (14-18 4.3L Sierra 1500)
Item S510689-43
Sierra 1500 Sales Techs:
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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Our Price
$403.95 (kit)
FREE Shipping Market Price $464.99 You Save 13% ($61.04) Up to 10% off for Military & First Responders! See DetailsWill this fit your Vehicle?
Ship to: Columbus - 43215
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Wards Auto Repair LLC
551 Corbett Rd, Groveport, OH
11.21 miles away
25 Reviews
*Specific shop subject to availability
Total cost of service $299.00
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Generates a Rich and Aggressive Exhaust Sound
- Improves Exhaust Flow for Optimum Engine Power and Torque
- Race-Proven Outlaw Muffler Technology
- Crafted Using 3-Inch Mandrel-Bent, 409 Stainless Steel Tubing
- Sports an Appealing Black Finish
- Easy Installation
- Uses Factory Hangers
- Backed by a Limited Lifetime Warranty
- Made in the USA
- Designed for All 2014-2018 4.3L GMC Sierra 1500 Models
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | No Tips |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | No Tip |
| Exhaust Exit Location | Turn Down |
| Exhaust Loudness | Loud |
Description
Powerful Confidence. Let your Sierra exude unmatched confidence by means of the Flowmaster Outlaw Extreme Turn Down Single Exhaust System. This exhaust kit features the race-proven Outlaw muffler technology and a single 3-inch single dump style turndown exit, specifically engineered to eliminate the turbulence and produce a powerfully refined aggressive exhaust sound that befits your Sierra’s mighty stance.
Powerfully Efficient. This Outlaw Extreme Single Exhaust System utilizes high-flow, straight-through Outlaw muffler and mandrel-bent pipes. These components ensure continuous exhaust flow that effectively boosts your Sierra’s engine power and torque. In addition, this efficient flow improves fuel economy and throttle response.
Long-Lasting Functionality. Flowmaster equipped its Outlaw Extreme Exhaust System with long-lasting durability. It is crafted using 3-inch, premium stainless steel with mandrel-bent tubing. Moreover, this exhaust system is designed to handle harsh driving conditions, including the constant attacks from the corrosive exhaust gases and thermal stress from catalytic activities.
Simple Installation. This Outlaw Extreme Single Exhaust System installs directly onto your truck’s factory exhaust mounting positions. It comes with all the necessary hardware for a straightforward installation that requires light to moderate mechanical skills to complete.
Application. The Flowmaster Outlaw Extreme Turn-Down Single Exhaust System is specifically designed to fit all 2014-2018 4.3L GMC Sierra 1500 models.
Fitment:
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
Flowmaster 817916
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) Muffler
- (1) Band Clamp
- (2) Hanger Keepers
4.7
Customer Reviews (159)
Questions & Answers
10 More Questions
Will It Fit My Sierra 1500
- 5.3L V8 - 14, 15, 16, 17, 18
Designed for Double Cab and Crew Cab Models
