Borla CrateMuffler GM 350/383/ 406 2.5" In/Out S-Type H764001S Steel Wing Head S/E Fasteners

Steel Wing Head S/E Fasteners 5/16" x

1981-1981 Chevrolet P20

multi piece liner to maximize energy absorption and impact performance

Filler Bung

TQ Management Based Fitment

Borla CrateMuffler GM 350/383/ 406 2.5" In/Out S-Type H764001S Steel Wing Head S/E FastenersBorla's CrateMuffler is the world's first muffler purpose built to optimize the sound and power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. The directional design provides custom sound, tuned for each engine family and will dramatically reduce, or eliminate drone on specified applications. Built from premium T 304 stainless steel, superior to T 400 series