Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
FREE 1 to 3-Day Delivery on Orders $119+ Details
$154.95 each
Up to 10% off for Military & First Responders! See DetailsSaved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Add Installation From:
Features, Description, Reviews, Q&A, Specs & Installation
Brand | Flowmaster |
Muffler Inlet Size | 3.00 Inch |
Top-Notch Sound. With Flowmaster's 3.0 in. Super 40 Series Offset/Offset Oval Muffler, your 1999-2024 GMC Sierra 1500 will seem even tougher than it already is. The high-quality muffler adds a deep, powerful sound to your truck's ride while minimizing its interior resonance so that you can drive in peace and quiet.
Ideal Performance. Thanks to the data flow technology this muffler utilizes, you'll see more than just an improvement in your muffler's sound. The high-end muffler also enhances your truck's horsepower and torque for an impressive performance as well as boosts its gas mileage for a big win at the pump.
16-Gauge Stainless Steel. To guarantee this larger case profile muffler is able to stand up to the worst obstacles on and off road, it is constructed from high-strength 16-gauge 409 stainless steel. The American-made muffler is then fully MIG-welded giving it unbeatable durability that allows for a long-lasting superior performance.
Warranty. If you have any concerns about the quality of this muffler, check out its limited lifetime warranty for details and limitations.
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. Flowmaster's 3.0 in. Super 40 Series Offset/Offset Oval Muffler is perfect for all 1999-2024 GMC Sierra 1500s.
Shop All Truck Parts And Accessories
Shop All Truck Exhaust
Shop All Truck Mufflers
Flowmaster 853048
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.
What's in the Box