The Borla ATAK CrateMuffler for Big Block Chevrolet 396/402/427 is purpose‑built to tune sound and flow for crate and custom engines, delivering the aggressive ATAK tone. Directional design and engine‑specific tuning help reduce or eliminate drone on specified applications; the outlet is identified by a welded bracket on the endcap. Constructed from premium T‑304 stainless steel with CNC manufacturing precision, the CrateMuffler is backed by Borla’s Million‑Mile Warranty.
Borla CrateMuffler BBC 396/402/427 ATAK 2.5 inch ID Offset/Center 14in x 4.35in x 9in Oval Muffler