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18mm and 12mm O2 bungs welded into the primaries
The patented design features "hips" at the sides that re-route the wind away from riders while adding downforce to the front-end of the motorcycle to improve stability vs
Baseplate is powder-coated steel and carpeted to protect painted surfaces
making installation or removal a snap
Slim line design: 4
Thundermax Engine Control Unit - 309-592 For Harley Softail 2021-2024 harley davidson 18mm and 12mm O2 bungsFeatures 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 Specs PRODUCT NAME ELECTRONIC CONTROL
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