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. ---Manufactured from high quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing catalyst replacement to get the most from the N54 engine ---Designed with flexi joints to reduce strain on the exhaust system ---Sold for off-road and track use only Fitment: ---BMW 1 Series E82 / E88 135i N54 engine 2007-2010 models ---BMW 1 Series 1M E82 N54 2011-2012 models ---BMW 3 Series E90 / E91 / E92 / E93 3.0l 335i N54 engine 2006-2010 models.
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