2019-2024
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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Flowmaster American Thunder Dual Exhaust System with Black Tips; Rear Exit (19-25 6.2L Sierra 1500 w/ Factory Dual Exhaust)Find parts that fit my vehicle
Item S510565
Sierra 1500 Sales Techs:
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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245 Reviews
Our Price
$999.95 kit
Ship to: Columbus - 43215
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Wards Auto Repair LLC
551Corbett RD , GROVEPORT, OH
11 miles away
25 Reviews
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Total cost of service $299.00
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Moderate to Aggressive Exterior Tone
- Mild Interior Resonance
- Improves Horsepower and Torque
- Flowmaster Series 50 HD Chambered Muffler
- With 2.50-Inch Tubing
- Quad 4-Inch Black Tips
- Split Rear Exit
- Bolt-On Installation
- Legal for Use on Emissions Controlled Vehicles
- Fits 2019-2024 6.2L Sierra 1500s with Factory Dual Exhaust
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Quad |
| Exhaust Exit Location | Rear - Dual |
| Exhaust Loudness | Moderate |
Description
Moderate to Aggressive Sounds. This Flowmaster American Thunder Dual Exhaust System with Black Tips and rear exits is specially designed to give the Sierra 1500 a classic moderate to aggressive rumble. Additionally, the interior resonance is mild, perfect for long drives.
Improves Power and Performance. The mandrel-bent pipes that produce the finely tuned sounds of this Flowmaster American Thunder Dual Exhaust System also improve the Sierra 1500’s horsepower and torque output. The Series 50 HD Chambered muffler is specially designed to increase horsepower, torque, and engine efficiency.
Precision Construction. This Flowmaster American Thunder Dual Exhaust System features mandrel-bent pipes and precision-crafted components. It’s made from high-grade parts to ensure durability and toughness for long years of service.
Bolt-On Installation. To simplify the installation process, this Flowmaster American Thunder Dual Exhaust System is designed to use the factory hangers. No welding is required.
Application. This Flowmaster American Thunder Dual Exhaust System with Black Tips and rear exit will fit 2019-2024 6.2L Sierra 1500s with Factory Dual Exhaust.
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Fitment:
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
Flowmaster 817891
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
- (1) Extension Pipe
- (1) Muffler
- (1) Driver Side Front Tailpipe
- (1) Passenger Side Front Tailpipe
- (1) Driver Side Rear Tailpipe With Tips
- (1) Passenger Side Rear Tailpipe With Tips
- Installation Hardware
4.6
Customer Reviews (245)
Questions & Answers
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Will It Fit My Sierra 1500
- 3.0L I6 Duramax - 22
- 6.2L V8 - 19, 20, 21, 22, 23, 24
Designed for Double Cab and Crew Cab models.
