THUNDERMAX ECM W/AUTOTUNE 17-20 FLHT 309-588 husqvarna-wr-250-250-2001-esi9451262 is better visible-with a system

is better visible-with a system built for BMW's Wonderwheel and CAN-Bus

Durable Black Oxide Coating

RFX FXAF1000555NO is one Race classed air filter from Multi Air

Connect Air -Box to Back Side of Carburetor

Gasket to the cover included - Minimizes the risk of oil leakage

THUNDERMAX ECM W/AUTOTUNE 17-20 FLHT 309-588 husqvarna-wr-250-250-2001-esi9451262 is better visible-with a systemIncludes ThunderMax ECM with Auto Tune Module, plug in harness and two wide band sensors, TMax software and communication USB cable, Quick Start Easy Install and Comprehensive User's Manual, technical support and free software and updates, Hundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) load the map of your choice and the integral auto tune will do the rest, Software