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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Magnaflow Street Series Dual Exhaust System with Polished Tips; Rear Exit (14-18 4.3L Sierra 1500)Find parts that fit my vehicle
Item S502347-B
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81 Reviews
Our Price
$1,243.00
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- 3” Mandrel-Bent Tubing
- Split Rear Exit
- Solid Stainless Construction
- Made in the USA
- Smooth, Deep Sound
- Fits 2014-2018 4.3L GMC Sierra Models
| Brand | Magnaflow |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Rear - Dual |
| Exhaust Loudness | Mild |
Description
A Ride That Purrs. Looking for that smooth and low sound that can only come from a top-of-the-line performance exhaust system? Introducing the Magnaflow Street Series Cat-Back Exhaust- Split Rear Exit. Engineered to last, this system provides the sound you desire, with the wide-open performance you need in your 2014-2018 4.3L GMC Sierra. Magnaflow backs this with a lifetime warranty.
Classy and Tough. Three-inch mandrel-bent tubing and 409 stainless steel ensure a straight-through flow and durable exhaust that will last as long as your Sierra does. The polished tips add a bit of class to make your ride stand apart—while the flow design offers major increases in horsepower and torque.
Easy Install. Made in the USA, your new Magnaflow Street Series Cat-Back Exhaust- Split Rear Exit utilizes a bolt-on design for an easy install. In two hours or less, you'll be ready for the trail or the highway. Need a little help? Installation videos are available on Magnaflow's website.
Application. This Magnaflow Street Series Split Rear Exit Cat-Back Exhaust is designed to be used on the 2014-2018 4.3L GMC Sierra's with the following cab and box configurations.
Classy and Tough. Three-inch mandrel-bent tubing and 409 stainless steel ensure a straight-through flow and durable exhaust that will last as long as your Sierra does. The polished tips add a bit of class to make your ride stand apart—while the flow design offers major increases in horsepower and torque.
Easy Install. Made in the USA, your new Magnaflow Street Series Cat-Back Exhaust- Split Rear Exit utilizes a bolt-on design for an easy install. In two hours or less, you'll be ready for the trail or the highway. Need a little help? Installation videos are available on Magnaflow's website.
Application. This Magnaflow Street Series Split Rear Exit Cat-Back Exhaust is designed to be used on the 2014-2018 4.3L GMC Sierra's with the following cab and box configurations.
- Regular Cab with the Standard Box
- Double Cab with the Standard Box
- Crew Cab with the Short Box.
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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
Magnaflow 15278
15268
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) Magnaflow MF Series Cat-Back Exhaust System
- All Necessary Parts and Hardware
- Installation Instructions
Tech Guides:
4.5
Customer Reviews (81)
Questions & Answers
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Will It Fit My Sierra 1500
- 4.3L V6 - 14, 15, 16, 17, 18
Designed for the Regular Cab with the Standard Box, Double Cab with the Standard Box and the Crew Cab with the Short Box.
