2019-2026
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
FREE 1 to 3-Day Delivery on Orders $149+ Details
Talk to a Sierra 1500 Sales Tech
1-610-990-4561
M-F 8:30A-11P ET, Sat-Sun 8:30A-9P ET
Find Exhaust Systems for your Sierra 1500
Magnaflow Off Road Pro Series Single Exhaust System; Turn Down (14-18 4.3L Sierra 1500)Find parts that fit my vehicle
Item S502351
$0.00
46 Reviews
Our Price
$721.00 set
Military, Medical & First Responders
Earn $36.05 in AT Cash Rewards. Get Verified
CONFIRM THIS FITS YOUR VEHICLE!
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Cat-Back Exhaust
- Design Provides More Efficient Gas Flow
- Increases Your Vehicle’s Horsepower and Torque
- Exhaust Turns Down Before the Axle Configuration
- Setup Creates a Louder and Deeper Exhaust Note
- 3 in. Mandrel-Bent Tubing
- 409 Stainless Steel Construction
- Fits Specific 2014-2018 GMC Sierra 1500 4.3L Models
| Brand | Magnaflow |
| 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 | Aggressive |
Description
Boosts Your Vehicle's Performance. This Magnaflow Off Road Pro Series Cat-Back Exhaust provides a noticeable boost to your GMC Sierra's overall Performance. That's because it's designed to lower engine temperature, improve exhaust scavenging, and smoothen exhaust gas flow. This leads to improvements in horsepower, torque, throttle response, and even fuel efficiency.
Unique Turn Down Construction and Long-Lasting Design. This system utilizes a turn down design for compatibility with modified suspension systems. To improve corrosion resistance, this Magnaflow MF Series Cat-Back Exhaust is also made from 409 stainless steel.
Emits a Smoother and Deeper Exhaust Growl. Magnaflow exhaust systems are made to create a louder and deeper sound to go with the boost in performance. This will allow you to hear and feel the extra horsepower and torque.
Application. This Magnaflow Off Road Pro Series Cat-Back Exhaust with a Turn Down Tip is designed to be used on the 2014-2018 4.3L GMC Sierra's with the following cab and box configuration.
Unique Turn Down Construction and Long-Lasting Design. This system utilizes a turn down design for compatibility with modified suspension systems. To improve corrosion resistance, this Magnaflow MF Series Cat-Back Exhaust is also made from 409 stainless steel.
Emits a Smoother and Deeper Exhaust Growl. Magnaflow exhaust systems are made to create a louder and deeper sound to go with the boost in performance. This will allow you to hear and feel the extra horsepower and torque.
Application. This Magnaflow Off Road Pro Series Cat-Back Exhaust with a Turn Down Tip is designed to be used on the 2014-2018 4.3L GMC Sierra's with the following cab and box configuration.
- Crew Cab with the Short Box
Shop All Truck Parts And Accessories
Shop All Truck Exhaust
Magnaflow 17146
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) Inlet Pipe Assembly
- (1) Muffler Assembly
- (1) Mid Pipe Assembly
- (1) 3” Clamp
- (2) 2.5” Clamps
- (1) 3” Tip
Tech Guides:
- Corsa vs. Magnaflow: Which Exhaust System Performs & Sounds Best?
- Magnaflow vs. Borla: Which Exhaust Performs & Sounds the Best
- Glossary What Are The Best Exhaust Systems? How Exhaust Systems Work
- What’s the Best Exhaust System for Optimized Fuel Economy?
- Top 10 Favorite Exhaust Brands
- The Pros & Cons of a New Exhaust System
- The Best Truck Exhaust Systems for Serious Towing
- The Benefits of a Cat Back Exhaust System
- The Anatomy of an Exhaust System
- Magnaflow vs. Flowmaster: Which Exhaust System Sounds the Best
- How to Install a Flowmaster Exhaust System
- Exhaust Systems Comparison: The Best & Most Affordable Performance Exhaust for You
- Diesel Trucks: What You Need to Know about Exhaust
- GMC Sierra 1500 Cat-Back Exhausts
- Gmc Sierra Cat Back Exhaust Guide
4.7
Customer Reviews (46)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Sierra 1500
- 4.3L V6 - 14, 15, 16, 17, 18
Designed for the Crew Cab with the Short Box.
