Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
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Features, Description, Reviews, Q&A, Specs & Installation
Brand | Flowmaster |
Muffler Inlet Size | 3.00 Inch |
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 1999-2024 GMC Sierra 1500 models. It is made in America.
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Flowmaster 53070
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
What's in the Box