Hello everyone!!.....newbee here....
....My son has an '05 EX..it has an Hmf slip-on,Hot Cams Stage I cam,a '04 XR400 head gasket,a '04 XR250 CDI and 'Motoman" high velocity porting...that's about 650.00..
The porting was done by me, so...that was like a freebie..sorta..