2019-2026
2014-2018
2007-2013
1999-2006
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 FlowFX Single Exhaust System with Black Tip; Side Exit (99-06 4.8L Sierra 1500)Find parts that fit my vehicle
Item S514297-48
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Increases Of 6.7 Hp And 6.5 Ft/Lbs Over The Stock Exhaust
- System Produces A Nice Rumble With Minimal Internal Resonance
- Large 4.50-Inch Black Ceramic Coated Stainless Steel Tip Offers An Aggressive Look
- Includes Complete Hardware And Factory Styled Hangers In Stock Locations For An Easy Installation
- Flowfx Straight-Through Performance Muffler Delivers A Deep Tone And Improved Exhaust Flow
- Mandrel-Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow With Excellent Corrosion Resistance
- Lifetime Limited Warranty
- Fits 99-06 4.8L Sierra 1500
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Single |
| Exhaust Exit Location | Passenger Side - After Tire |
| Exhaust Loudness | Mild |
Description
Performance Exhaust System. The Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit is designed to enhance power and sound for your vehicle. It delivers a deep, aggressive tone while improving exhaust flow to maximize engine performance. This exhaust system is perfect for enthusiasts seeking a balance between sound and durability.
Construction and Appearance. Built from corrosion-resistant 409 stainless steel with mandrel-bent 16-gauge tubing, this system features a compact oval FlowFX "straight-through" muffler. The exhaust tip is crafted from black ceramic-coated 304 stainless steel with an embossed logo, providing a stylish and durable finish.
Installation. Designed to use factory hanger locations and includes all necessary hardware for straightforward installation. No drilling is required, making it a convenient upgrade for your vehicle.
Warranty. Covered by a Lifetime Limited Warranty for long-term reliability and peace of mind.
Application. Specifically fits 1999-2006 4.8L Sierra 1500 trucks with a 143.5-inch wheelbase. This system is tailored for classic body models with no noted exclusions.
Flowmaster 717873
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 Assembly
- (1) Inlet Pipe Assembly
- (1) Tailpipe Assembly
- (1) Exhaust Tip
- Installation Hardware
Tech Guides:
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- GMC Sierra 1500 Cat-Back Exhausts
4.5
Customer Reviews (223)
Questions & Answers
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Will It Fit My Sierra 1500
- 4.8L V8 - 99, 00, 01, 02, 03, 04, 05, 06
Designed for the Extended Cab with a Standard Box and Crew Cab
