ThunderMax 2017-Up Harley-Davidson Touring Models Year:2021 + Touring Models without Center Cooled Motor Key Features:

Key Features:

Better throttle response

They securely fasten in place

1 1/4" tube diameter

Fit For Electra Glide Ultra Classic FLHTCU

ThunderMax 2017-Up Harley-Davidson Touring Models Year:2021 + Touring Models without Center Cooled Motor Key Features:ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson motorcycles. This highly advanced, stand alone tuning system utilizes proprietary AutoTune technology with wide band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and