Installation Time
(approx) 4 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Dual Exhaust System with Polished Tips; Side/Rear Exit (14-18 4.3L Sierra 1500)Find parts that fit my vehicle
Item S555718-43
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$548.99 kit Was $549.99
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Medium/Aggressive Sound
- Great Sound With No Drone
- 409 Stainless Steel Construction With 304 Polished Stainless Steel Tips
- 4" Polished Stainless Steel Double Wall Tip
- True Chambered Muffler Design With No Packing Material
- Dual Rear Or Side Exit Options
- Includes Hangers And Hardware For Easy Installation
- Does Not Fit HD Models
- Fits 2014-2018 4.3L Sierra 1500
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear - After Tire |
| Exhaust Loudness | Moderate |
Description
High-Performance Exhaust. The Dual Exhaust System with Polished Tips and Side/Rear Exit options enhances your truck’s exhaust note with a medium aggressive tone while eliminating drone. It improves exhaust flow, contributing to increased power and fuel efficiency.
Construction And Appearance. Made primarily of durable 409 stainless steel with highly polished 304 stainless steel double wall tips, this system offers corrosion resistance and a professional look. The true chambered muffler design requires no packing material, providing consistent sound quality and lasting performance.
Installation. Installation is straightforward using included hangers and hardware that utilize factory-style mounting points. No drilling or significant modifications are needed, making it suitable for both professional and experienced DIY installers.
Application. Designed specifically for the 2014-2018 4.3L Sierra 1500, this system does not fit heavy-duty models, ensuring proper fitment and performance for light-duty trucks in this range.
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) Dual Exhaust System
Tech Guides:
- Best Truck Exhaust Systems: The Complete Buyer's Guide
- Glossary What Are The Best Exhaust Systems? How Exhaust Systems Work
- Top 10 Favorite Exhaust Brands
- The Top 7 Aftermarket Exhaust Choices for Your Daily Driver
- The Best Truck Exhaust Systems for Serious Towing
- Magnaflow vs. Flowmaster: Which Exhaust System Sounds the Best
- GMC Sierra 1500 Cat-Back Exhausts
4.7
Customer Reviews (9)
Questions & Answers
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Will It Fit My Sierra 1500
- 4.3L V6 - 14, 15, 16, 17, 18
Designed for Double Cab and Crew Cab Models
