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The Borla S-Type CrateMuffler for Big Block Chevrolet 396/402/427 V8 engines is a directional, engine-family-tuned muffler that optimizes sound and power for crate and custom motors. Built from premium T-304 stainless steel with CNC precision, the muffler is tuned per engine family to reduce or eliminate drone on cataloged applications and is backed by Borla’s Million-Mile Warranty for long-term durability.
Borla Big Block Chevrolet 396/402/427 2.5in Offset Inlet / 2.5in Center Outlet Crate Muffler
