Borla Crate Muffler - ATAK (400854) _NAVIGATOR_COVER_(1) Single Adjustable Damper w/24 Distinct

Single Adjustable Damper w/24 Distinct Settings

The Grimmspeed Coolant Lines have been designed to line up with the factory feed and return soft lines

Provisioned raised boss for two water/methanol nozzles with optimized thread depth for spray pattern

Memory Replay (30 Seconds)

Because a car displaces air as it moves forward

Borla Crate Muffler - ATAK (400854) _NAVIGATOR_COVER_(1) Single Adjustable Damper w/24 DistinctBorla CrateMuffler for Chevrolet Big Block Stock Output 396 402 427 CID ATAK. (400854) BORLA's CrateMuffler is the world's first muffler purpose built to optimize the sound & 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