BORLA 400819 Crate Mufflers S-Type 2.5" x 2.5" GM Hot 350, 383 CID ymm_42 while the bolt kits come

while the bolt kits come with washers

5" pipe diameter exhaust system delivers ATAK's most aggressive level of sound designed for performance enthusiasts

Purpose-built for crate and custom engines

Product Box Length (mm): 212

Outside Length/Base Outside Diameter (mm): 403

BORLA 400819 Crate Mufflers S-Type 2.5" x 2.5" GM Hot 350, 383 CID ymm_42 while the bolt kits comeDescription BORLA 400819 Crate Mufflers S Type 2. 5" x 2. 5" GM Hot 350, 383 CID The CrateMuffler is designed specifically to optimize both sound and power for crate and custom built engines. This muffler features a directional design, with the outlet identified by a mounting bracket welded to the endcap. It is tuned for the Chevrolet Small Block 350, 383, and 406 CID V8 engine family. The directional construction delivers the classic S Type sound and