K&N 09-12 Can-Am Outlander 800R/Max 800R/10-12 650/Max650/10-11 Renegade 800 Air FilterK&N Custom Assembly Filter Kits utilizes an adapter or tube that mounts directly to the air box. The universal clamp on air filter then attaches to the adapter or tube. The large mounting surface of the clamp on air filter provides better stability during rigorous riding. The assembly adapter or tube acts as a velocity stack within the air box. K&N Custom Assembly Filter Kits, like all K&N air filters, are designed to provide excellent filtration and