TSP KTM Group 250/300 TBI 2023-On Oversized Powervalve (Power Valve) CoverThis listing is for a TSP oversized powervalve cover to suit all 250 & 300 23 on TBI models. This includes SX, XC, EXC and XC W models. The cover will work with stock or aftermarket pipes. This cover will not only enhance the aesthetics of your bike, but it adds power at low throttle and low mid revs where most riders need it most! It is ideally suited to trail riders and hard enduro riders who want smooth power delivery and maximum torque at low