Flowmaster Super 44 Series Center/Center Muffler; 2.25-Inch Inlet/2.25-Inch Outlet (Universal; Some Adaptation May Be Required)

Race Proven Exhaust. Whether you are on the road or on the track, the Flowmaster Super 44 Series Center/Center Muffler - 2.25 inch is the muffler upgrade for your Sierra. Featuring race proven patented delta flow technology, this muffler is designed with a new improved two chamber casing for maximum engine efficiency.

Amazing Exhaust Tone. You will love the rich and aggressive powerful tone that results in some interior resonance. Constructed with a 16 gauge aluminized steel, this muffler has been fully MIG welded for superior durability and long lasting performance.

Superior Performance. Flowmaster categorizes this exhaust system as the highest performing 4” muffler that’s ever been built. This product will set your Sierra apart everywhere you go.

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.

Warranty. Flowmaster gives you a 3 Year Limited Warranty that covers all flaws that can occur in the manufacturing of this product.

Application. The Flowmaster Super 44 Series Center/Center Muffler - 2.25 inch fits all 1999-2026 GMC Sierra 1500 models with 2.25 inch exhaust.

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