Flexible MaterialEach of our muffler hanger is made of premium EPDM (rubber) material with exquisite craftsmanship. It has excellent performance in flexibility, tear-resistant, durability, and other aspects. Even in harsh environments such as humidity and frost, it can maintain high strength fixation. Shock Absorption+Noise ReductionIf your car exhaust pipe is too close to other equipment or the ground, please stop immediately! These o rings can suspend and fix the exhaust pipe bracket, muffler, and chassis hanger of a car at an appropriate height and position to reduce vibration, noise, and wear. Buyer's GuideThese universal exhaust hangers have an outer diameter of 2.72inch/69mm, an inner diameter of 2inch/50.8mm, a height of 0.7inch/17.8mm, and a thickness of 0.4inch/10.2mm. It can be used to suspend and fix the exhaust pipes of most cars, trucks, SUVs, and vans on the market. How to InstallWe have carefully prepared 4x rubber exhaust hangers for you to replace and use at any time. Its installation method is very simple. [1] Remove the aged rubber ring from the exhaust pipe. [2] Remove residual dirt and impurities. [3] Apply lubricating oil to the new exhaust hanger and install it.