BORLA 400822 Crate Mufflers S-Type 2.5" x 2.5" GM Stock 283 / 327 / 350 CID ymm_82 and the Shelby 427 Cobra

and the Shelby 427 Cobra

while keeping it smooth and eliminating any drone

Specifications Socket Size(s) 9/16 12pt UHL 3

Dual 4" polished T-304 stainless steel tips with rolled edges

BORLA 400822 Crate Mufflers S-Type 2.5" x 2.5" GM Stock 283 / 327 / 350 CID ymm_82 and the Shelby 427 CobraDescription BORLA 400822 Crate Mufflers S Type 2. 5" x 2. 5" GM Stock 283 327 350 CID The CrateMuffler is designed specifically to optimize sound and power for crate and custom built engines. This muffler is directional, with the outlet identified by the mounting bracket welded to the endcap. It is tuned for the Chevrolet Small Block 283, 327, and 350 CID V8 engine family. The directional design delivers the classic S Type sound and significantly