---2.25" Bore Throughout with 2.75" Twin tailpipes ---A free flowing exhaust is a great way to get the most out of the 4 cylinder BMW engines ---Resonated system to reduced unwanted exhaust drone while retaining its sporty growl ---Manufactured from Mandrel bent T304 grade stainless steel with full TIG welding for strength and durability ---Engineered to improve throttle response and increased power and torque across the entire RPM range Fitment: ---BMW 3 Series E46 4 cylinder 316 / 318 / 320 2001-2006 models Please note: ---Suitable for Coupe and Saloon models only ---Not suitable for M43 engines.
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