BORLA 400820 Crate Mufflers ATAK 2.5" x 2.5" GM Hot 350, 383 CID ymm_42 Outside Length/Base Outside Diameter (mm):

Outside Length/Base Outside Diameter (mm): 264

1L V8 w/ AT

This assembly fits with either BORLA 60640

000˝ Thread Size 1/2-20 Kit Instructions

Description BORLA 11855 Rear Section

BORLA 400820 Crate Mufflers ATAK 2.5" x 2.5" GM Hot 350, 383 CID ymm_42 Outside Length/Base Outside Diameter (mm):Description BORLA 400820 Crate Mufflers ATAK 2. 5" x 2. 5" GM Hot 350, 383 CID The CrateMuffler is designed specifically to optimize the sound and power of crate and custom built engines. This muffler is directional, with the outlet identified by a mounting bracket welded to the endcap. It is tuned for the Chevrolet Small Block 350, 383, and 406 engine family. The directional design delivers an aggressive ATAK sound and is engineered to reduce or