Gravity Performance decats instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our decats are designed to be direct replacements for the OEM catalytic converter, ensuring smooth installation every time. ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing decat to get the most from the 3.0L and 3.2L S50/S52 engines ---Built in flexi joints to help reduce strain on your exhaust ---Noticeably improves throttle response ---Sold for off road and track use only Fitment BMW 3 Series E36 M3 3.0 / 3.2 1995-1998 models.