Hey Johnny. Stebel Horns (compact) is the one that I have been considering for my 6th Gen. I've read on some other sites that the compact version (see link below) can be fitted to replace the OEM, but it's a tight fit. I'm hoping someone will reply to your thread that has done this so I (we) can see how it went. Good Luck. STEBEL S.p.a.
I've got a Stebel on mine but it's in a spot that is used by some sort of ABS gadget on the ABS models. I mounted mine in the upper left corner of the fairing. It was a tight fit, but it does work fine.
That's where I put mine as trying to use the stock location left me wanting to go on an interstate murder spree. I used a large washer on the inside of the bracket point as re-enforcement and loc-tighted everything. Lastly, power is supplied by a horn relay kit I got from Eastern Beaver Company...