The Lincoln Aviator rear bumper is available in different bumper styles easy to install with bolts on the lower end or rear portion of the car and is typically a plastic piece made of high quality hand laid fibreglass, ABS Plastic or carbon fiber. The Lincoln Aviator rear bumper is installed and bolted towards the rear end of the car. Fixing a Lincoln Aviator rear bumper in your car is the best way to ensure that your vehicle is safe during mishaps or crashes which help absorb the impact while also letting off the exhaust tip from the vehicle.