Downpipe Kit BMW E82 E90 N54 engine

The WAGNERTUNING Downpipe Kit for BMW N54 engines fits to:BMW 135i E82/E88BMW 1er M E82BMW 335(x)i E90/E91/E92/E93BMW 335is E92 2009-2013true 70mm Downpipesmade from 1.4301 (SS304) Stainless Steelno catalytic converters*1:1 exchange to OEM UnitsCAD designedfor track and testwith flex part*ECU will need to be coded to avoid engine management light errors.