MEASURE FIRST: Please measure your own pipe and bumper cutout, and compare to this product fitment size. FITMENT: This exhaust tips fit pipes measuring between 2.5 and 3 inches in diameter. SIZE: / Length 9 '' / width 3.5'' / Inlet Diameter 3 3/8 '' / Outlet Diameter 3.5'' MATERIAL: This muffler tips are made by high quality stainless steel and won’t change the sound or function of your car. INSTALLATION: Clamp-on and bolt-on installation : They are attached to the tailpipe by clamps or screws.