Competition Package Wagner Tuning EVO1 for BMW F-series M 135i Intercooler / Downpipe - WT-700001030 - The Competition Package for the BMW F-series consists of the Intercooler Upgrade Kit, the N55 Downpipe Kit with 300 CPI racing catalyst and fits the following vehicles. BMW M135i F20 / F21 model 07/2013 -BMW M235i F22BMW M2 F87BMW 335i(x) F30 / F31 / F34 model 07/2013 -BMW 435i(x) F32 / F33 model 07/2013 -Intercooler Upgrade Kit 200001046Stepped Competition Intercooler Core. Size 520 x 210 x 130, 11.752cm³ Volume (OEM 510x 130x 110mm, 7293cm³ Volume). Approx. 85% bigger surface over OEM IC. CAD / FEM optimized Aluminum Cast Endtanks. Plug & Play Installation using the stock plumming, no cutting or bumper removal required. Weight 6,6kg Including TÜV certificate!packing list: 1 intercooler 1 mounting material 1 installation instruction 1 TÜV certificate Downpipe-Kit N55 with 300CPI catalyst 500001013replacement for OEM BMW Part# 18328602882made out of high quality stainless steel 1.4301 (SS304)100% perfect fit, replace OE Mless thermal load on the turbochargermore power by reducing back pressuresignificantly more torque 300cpi catalytic converter (without any diagnostic mistake)connection diameter 118mm