THUNDERMAX 21-22 SOFTAIL 309-592

2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harness ThunderMax quick start easy install and printable comprehensive user’s 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 2022 Harley-Davidson Softail Low Rider ST FXLRST - - 2021-2022 Harley-Davidson Softail Standard FXST - - 2021-2022 Harley-Davidson Softail Street Bob FXBB - - 2021-2022 Harley-Davidson Softail Heritage Classic 114 FLHCS - - 2021-2022 Harley-Davidson Softail Low Rider S FXLRS - - 2021-2022 Harley-Davidson Softail Fat Bob 114 FXFBS - - 2021-2022 Harley-Davidson Softail Fat Boy 114 FLFBS - - 2021 Harley-Davidson Softail Sport Glide FLSB - - 2021 Harley-Davidson Softail Slim FLSL - - 2021 Harley-Davidson Softail Heritage Classic FLHC