Bison are badass.
A bison ranch used to operate across the east fence of our property. Those bad boys could jump over a seven strand barbed wire fence, and can easily jump across a cattle guard gate.
When one would get over the fence onto our place, I made sure that the kids and dogs...
The folks at FASS and AirDog can probably anwwer those questions for you.
I got a FASS because I researched lift pumps a few years ago and liked the quality, price, warranty and features. It fits my truck and needs just fine, and the filter choices are acceptable to me.
I appreciate...
How is your suspension currently set up? Do you have traction bars? If IFS, be sure to drop the torsion bars down, sleeve the tie rods and maybe strap that centerlink.
4 low, third gear. Get as much weight up front as you can, staying within your class's weight limit.
Also, make sure that you have a stout hitch, attached as far forward to the frame as possible. Make sure that the hitch height is at the highest allowable.