Borla CrateMuffler - 3 in Offset Inlet - 3 in Offset Outlet - 14 in x 4-3/8 in x 9 in Oval Body - 19 in Long - Small Block Chevy H764009M 1-1/2" diameter steel tubing

1-1/2" diameter steel tubing

Every Transmission and valve body is both hydraulic-circuit & dyno tested

The retard is activated when the engine begins cranking and is deactivated once the engine reaches over 800 rpm

Improves the power steering in your classic Mustang providing a better road feel and steering control

Exhaust sound is louder under towing conditions

Borla CrateMuffler - 3 in Offset Inlet - 3 in Offset Outlet - 14 in x 4-3/8 in x 9 in Oval Body - 19 in Long - Small Block Chevy H764009M 1-1/2" diameter steel tubingBorla'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