Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Flowmaster Signature Series Dual Exhaust System; Rear Exit (19-26 5.3L Sierra 1500 w/ Factory Dual Exhaust)Find parts that fit my vehicle
Item S569129
Our Price
$1,249.95 each
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$62.50 Available in AT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Designed For 2019 To 2026 New Body Chevrolet And GMC Silverado And Sierra 1500 Crew Cab And Double Cab Models With Factory Dual Tailpipes
- Compatible With 5.3L V8 Engine
- Constructed From Premium Brushed 304 Stainless Steel For Maximum Corrosion Resistance
- Features A Three-Inch Inlet Pipe Feeding A Single Inlet Dual Outlet Signature Series Muffler
- Produces A Deep, Moderately Aggressive Sound Tone
- Offers Maximum Dyno Gains Of 21 Horsepower And 26 Pound-Feet Torque At The Rear Wheels
- Dual 2.5-Inch Mandrel Bent Tailpipes Are Custom Routed To Avoid Clearance Issues With Factory Spare Tire And Tow Hitch
- Exits Through Factory Exhaust Bezels To Retain Stock Appearance
- Utilizes Factory Hanger Locations For Easy Installation
- Includes All Necessary Hardware And Installation Instructions
- Compatible With Both Two-Wheel Drive And Four-Wheel Drive Models
- Fits 19-26 5.3L Sierra 1500 w/ Factory Dual Exhaust
| 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 | Dual |
| Exhaust Exit Location | Rear - Dual |
| Exhaust Loudness | Moderate |
Description
Performance Exhaust Upgrade. The Flowmaster Signature Series Dual Exhaust System; Rear Exit is engineered to enhance both power and sound for your 5.3L Sierra 1500. This cat-back system improves exhaust flow, delivering increased horsepower and torque while producing a distinctive, moderately aggressive exhaust note. It’s designed as a bolt-on upgrade that maintains the factory dual exhaust appearance.
Construction and Appearance. Crafted from premium brushed 304 stainless steel, this exhaust system offers superior corrosion resistance and a high-end finish. The components are TIG welded for precision and durability, featuring a straight-through muffler with dual outlets and custom routing to clear factory components without modification. The natural brushed finish provides a clean, refined look that eliminates tooling marks.
Installation. This exhaust system is designed for straightforward installation using factory hanger locations and includes all necessary hardware and installation instructions. No drilling or modifications are required, allowing for an easy at-home installation.
Application. Specifically fits 2019 through 2026 new body Chevrolet and GMC Sierra 1500 trucks equipped with the 5.3L engine and factory dual exhaust system.
Flowmaster 737894
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
4.6
Customer Reviews (9)
Questions & Answers
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Will It Fit My Sierra 1500
- 5.3L V8 - 19, 20, 21, 22, 23, 24, 25, 26
Designed for Double Cab and Crew Cab Models with Factory Dual Exhaust
