DUB~AIR intake systems include: Polished Stainless Steel tubing: smooth, mandrel bent tubing which is designed with minimal bending and large diameter for the highest and most efficient airflow possible ... Cold air box: polished stainless steel box that seals around the intake tube and also seal under the hood to provide the best cold air charge. ... 100% silicone hoses and couplers: looks better, and lasts much longer than rubber. Will not crack, dry out, or warp with heat ... Washable and Reusable air filter: constructed with a stainless steel filter cage to prevent collapse under high HP applications ... Marine Grade StainlessSteel clamps: Superior for longevity, strength, and maintaining tightness ... Additional product info .....