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If you build a truck right you will have no problem. When you go up in tires you need to change the gears. If it has the Banks programmer you can make changes to tow better. Like I stated before I tow only with lifted trucks and have never had an issue, but my trucks are set up right.

You can buy a brand new truck from the dealer with an aftermarket lift on it. I don't see an insurance issue with it. Under that rationale, aftermarket wheels and tires would be a deniable reason.

As far as pulling with a lifted truck, it is a good idea to make sure that you have the correct hitch height for pulling.

Just inspect your reciever hitch assembly. I had the front (where it mounts to frame) crack. 9" lift and 38's. Installed a Class 6 16000 lb reciever. Some class 5's are built pretty cheep. They also make a 20000 lb reciever, it has a 3" reciever instead of 2".

I bet that went through some diesel on the highway with a boat behind it.

Good looking truck though.

I have 55K miles on mine and have towed my boats as far as 400 miles for poker runs with no issues. It has a 6" lift on 35s.
I did just add some super springs to the rear end to take care of the level issue. Not shown in this pic but man do they work good.

Mich 395/85R20 46" w/ 12 inch lift.....

Went through two tanks a week if I daily drove it. Stock gears, no programmer, 5 inch stainless straight pipe that dumped, and the EGT always stayed cool. Never once had to use overdrive

heres my new to me '06 3500 with 6" lift and 35's on it. Pulls like a dream and no problems what so ever!

I would sell the banks and get a mads smarty. The have the best tuner out there. I pull my 30 cat w/ 33's with the 170 hp tune and it does tend to heat up the egts but with a banks you are in no danger of making tooo much power.