The TurboXS KnockLite (TM) will detect even minor inaudible detonation and flash the multicolored LED to alert you to the knock so that you can do something about it before it's too late. The KnockLite is a must-have product for anyone that is modifying their engine for more power. The KnockLite wires into either your factory knock sensor or into separate knock sensor (sold separately) that is mounted to your engine block.

TECH TIP: The KnockLite also comes with a programmable shift indicator.