【4"x10"x18" Exhaust Tip】 ID: 4" OD: 10", Length: 18" Angled Roll Bolt Chrome | 【Bolt On Exhaust Tip】 Bolt-On installation and Angled Cut - Rolled Edge design. Small hole on the bottom of the exhaust tip facilitate the drainage of accumulated water and prolong the service life of the exhaust tip | 【Stainless Steel Exhaust Tip】Made of High quality Stainless steel, ensuring durability and resistance to corrosion. It also helps protect the original tips from exposure to the conditions, such as sun and rain, and avoids rusting and deformation. For optimal longevity, we recommend cleaning the exhaust tip regularly | 【Wide Application】Universal fits 4" OUTLET diesel trucks car pickup exhaust tail pipe. Please check all the dimensions of exhaust tip before purchasing in case of installation interference | 【Easy Installation】 Pack of 1 Upower 4 inch Inlet Exhaust Tip; Professional installation is highly recommended; No instruction included