BORLA 400843 Crate Mufflers S-Type 3.0" x 3.0" GM Hot 350,383 CID ymm_81 Knowledge from competition experience has

Knowledge from competition experience has led the manufacturer to use a dissimilar material for the nut from that for the wheel stud

and dual 4" round polished T-304 stainless steel tips on each muffler assembly

Sensor Body Material: Brass

This assembly fits with either BORLA 60640

BORLA 400843 Crate Mufflers S-Type 3.0" x 3.0" GM Hot 350,383 CID ymm_81 Knowledge from competition experience hasDescription BORLA 400843 Crate Mufflers S Type 3. 0" x 3. 0" GM Hot 350,383 CID The CrateMuffler is designed to optimize both sound and power for crate and custom built engines. This muffler features a directional design, with the outlet identified by the mounting bracket welded to the endcap. It is specifically tuned for the Chevrolet Small Block 350, 383, and 406 CID V8 engine family. The directional construction delivers the classic S Type sound