On Sale Add to Cart Compare Haltech Pro Tuner Knock Ears Kit (Incl 2 Sensors) - HT-070104 Haltech MSRP: Now: $739.00 Was: $758.14 Haltech Pro Tuner Knock Ears Kit (Incl 2 Sensors) MSRP: Now: $739.00 Was: $758.14 Add to Cart Compare