BackwoodsBMP Extreme Rear bumper offers strength, design, and practicality like no other in the industry! Stop Bumping helmets and give your buddies a place to grab on! Time spent fighting for a place to grab, while ripping gloves is no fun when your buried 5 feet in the pow! Built from 1/4" 6061 aluminum plate our bumpers are twice as strong as competitors. Protect your snowmobiles cooling system. Be able to drive away from a rear end accident or high energy impact in the rear.