Bolt on 40%-50% more power for stock 107", 114" and 117" M-Eight motors. Trask compressor and turbine housing with Garrett internals. Trask plenum with integrated blow-off valve. Includes all install components: larger injectors, spark plugs, boost gauge with mount, oil feed, drain lines, custom cam cover, Thundermax tune files and all necessary hardware and gaskets. Made in the USA. Fits 17-23 Touring, 18-23 Softail, except 23 FLHXSE, FLTRXSE.