Performance Motorsport Parts Sports cat downpipes are designed to replace the stock catalytic converter removing the most restrictive section of your exhaust, Our Performance sports cats allow for better exhaust flow resulting in increased power and torque while also improving throttle response. ---Free flowing catalyst replacement to get the most from the S54 engine ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Noticeably improves throttle response ---Enhances your M3's exhaust note Fitment: BMW 3 Series E46 M3 S54 1998-2005 models Please note - This is a non type approved CAT and as such will not pass an MOT so is sold for off road/track use only.
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