Electronically Commutated Motor with Auto Tune – Touring
2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harness, ThunderMax quick start easy install and printable comprehensive users manual, Never outgrow it – easily accomodates bike change, No Dyno required – automatically tunes for riding style and riding conditions, ThunderMax performance engine control module (ECM), 100% engineered and made in the USA, Easy to install and simple to use