Well I've noticed noone would chime in on this topic for some reason also but here you go. I purchased the BFGs about 4 weeks ago and all I can say is they are amazing. The main thing I was concernced about was quality of ride. I have the 45 and the jarring ride was beginning to wear on me. Well the BFGs smoothed it right out. They have such a soft tread compound that the ride is 15X better. Next, handeling is marginally improved. Honestly I didnt notice too much of a difference. Our FXs already handle so well and theres not much sidewall there anyways to make much of a difference. The weird thing is I can get these tires to squak much easier than the RSAs, they never lose traction but will make noise if you floor the car in a turn, maybe becasue of the softer tread? Rain traction is superb, I have yet to hydroplane and I already have been through 3 or so severe storms. Noise is audible from the speeds of 40-50. Its just a slight humming, not annoying at all, and well worth the advantages these tires give you. Well if you have any more questions let me know!
Andy