This was my 2007 fatboy that I put an s&s 107 kit into with 10.5 comp, s&s 585 cams, heavy breather and supermeg exhaust with 24 discs and open end cap. No headwork. Needed a stronger clutch spring. Cant remember the dyno numbers but a heap of torque around 3,000 rpm where I wanted it and it kept climbing to the limiter I’ve had supermeg on tourers and dynas too as good performance and not obnoxiously loud although with a higher comp engine and open end cap, it’s loud when the n the throttle