This muffler tips won’t change the function of your car. RP Remarkable Power, 4 Inlet 8 Outlet 18 Long Exhaust 4 Inch Muffler Parts Bolt On Stanless Steel 3" Nlet Exhaust Tp 3.5" Out Weld On Rolled Car Exhaust Tip Installation: Bolt On ; Manufacturer Part Number: PBRAC5012-4SS ; Notes 1: 4 ID - Fits 4 Tail Pipe ; Tip Outlet Size: 5 ; Tip Inlet Size: 4 ID Bolt-on Installation: slide on easily over your existing tailpipe, then secure in place with bolts. Notice: The outside diameter of your exhaust tailpipe should be equal the inlet diameter of the exhaust tip (4-inch). Superior construction: Made of stainless steel, the silver exhaust tip features high strength, durability & corrosion resistance Please measure your own pipe and bumper cutout, and compare to this product fitment size.