BMW F-SERIES 12-13 135i 335i N55 Front PIPE E82 F30 CATTED HFC HIGH FLOW CAT

Circuit Werks latest Satin / Brush Finish Catted 3.5" V-band to 4" turbo pipe with High Flow 200 Cell Catalytic Converter for the BMW F30/E82 N55 motors. This high performance Exhaust pipe delivers the perfect balance of pure, race inspired performance, in cab driving comfort and the excitement of exhaust sounds and tone during normal cruising or aggressive hard driving. Hassle free installation. OE style brackets, with high flow catalytic converter. Factory O2 sensor location. Fits F30/E82 with the N55 motors from 2012-2013 perfectly with stock turbo or an aftermarket turbo using the stock 3.5" V-Band Clamps. (THIS DOWNPIPE WILL ONLY FIT MODELS WITH A PRODUCTION DATE FROM 2012 TO 7/2013) All made out of Stainless Steel and T.I.G. welded. 

Professional installation might be required but this is a direct bolt-on.  Comes with three o2 bungs with plugs, if you do decide not to use them.