2019-2026 Silverado 5.3L Performance Retrofit Muffler

B2 Fabrication Verified independent store

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Silverado Performance Retrofit Muffler will ship beginning of September Silverado and Sierra Performance Muffler (2019-2026 5.3L) Swap your restrictive stock muffler for the B2 Fab rication retrofit muffler and give your 5.3L Silverado (or GMC Sierra) the deep, aggressive tone it should've had from the factory — without the price of a full cat-back. Precision 3-inch mandrel-bent 409 stainless steel, a high-flow muffler, and fixture-built fitment mean it bolts into the factory muffler location and lines up perfectly. 🔥 Hear it before you buy 🔥 Scroll down to the reviews — real customers posted sound clips of this muffler on their trucks 👇 It's a simple retrofit: cut out the stock muffler, clamp ours in its place, done. All hardware included, made in the U.S.A. The build 3-inch mandrel-bent 409 stainless steel for maximum flow and a deep, resonant tone Sounds like an expensive cat-back for a fraction of the price Slight gains in horsepower and throttle response Direct-fit to the factory muffler location — all hardware included Made in Michigan, U.S.A. Fits: 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 5.3L V8 — all cab and bed configurations. Running a 6.2L? You need this one instead. Want it even louder? Check out our Silverado muffler delete. Show more