Greetings! I.recently purchased a 2005 yukon xl denali. It will be our daily driver and my mechanic says that it will be needing new shocks. I've been looking around on the forums to see what I should replace the oem suspension with. Bilstein shocks seem to be very well liked on here. I'll be towing our boat that weighs around 5,000 lbs..... What should I install on this thing?