2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details
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Flowmaster 70 Series Center/Center Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle
Item S503471
Sierra 1500 Sales Techs:
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
$199.76
2 Reviews
On Sale
-10% $199.76 each Was $221.95
Ship to: 43215
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Designed for Trucks, Tow Vehicles, and SUV’s
- Improves Horsepower, Engine Efficiency, and Torque
- Provides Mild Exterior Exhaust Tone
- Ensures Minimal Interior Resonance
- Durable Aluminized Steel Material
- High-Quality Black Finish
- Inlet Diameter: 3”
- Overall Length: 28”
- Body Width: 10”
- Body Length: 22”
- Body Height: 5”
- 3 Year Limited Warranty
- Straight Forward Installation
- Made in America
- Universal Fitment; Modifications Will Be Required
| Brand | Flowmaster |
| Muffler Inlet Size | 3.00 Inch |
Description
Improved Horsepower. The Flowmaster 70 Series Center/Center Oval Muffler – 3.0 inch was designed for trucks, tow vehicles, and SUV’s. It improves horsepower, engine efficiency, and torque in your GMC Sierra 1500. You’ll benefit from a mild exterior exhaust tone and minimal interior resonance.
Aluminized Steel. The muffler is made from durable aluminized steel to ensure long-lasting performance value. It has a high-quality black finish. You can trust that this muffler is made to last.
Specifications. The inlet diameter is 3 inches. The overall length is 28 inches. The width of the body is 10 inches. The body is 22 inches long. It is 5 inches high.
3 Year Limited Warranty. You will receive a 3 year limited warranty on this muffler. Some exclusions apply, so take the time to review the warranty details for more information.
Modifications Required. This Muffler was designed to be used on mutliple applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications to the exhaust system will be required.
Application. The Flowmaster 70 Series Center/Center Oval Muffler – 3.0 inch is designed to fit all 1999-2025 GMC Sierra 1500 models. It is made in America.
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Flowmaster 53070
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Installation & What's in the Box
Installation Info
What's in the Box
- (1) Muffler
4.5
Customer Reviews (2)
Reviews of Flowmaster Exhaust products have an average rating of 4.7 out of 5
Questions & Answers
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