Competition Package Wagner Tuning EVO2 for BMW F-series M135i Intercooler / Downpipe - WT-700001047 - The Competition Package for the BMW F-series consists of the Intercooler Upgrade Kit, the N55 Downpipe Kit with 200 CPI racing catalyst and fits the following vehicles. BMW M135i F20 / F21 till 06/2013BMW 335i(x) F30 / F31 / F34 till 06/2013BMW 435i(x) F32 / F36 till 06/2013Intercooler Upgrade Kit 200001071The High Performance Intercooler has the following dimensions (520mm x 215mm x 145mm /stepped 13.840cm³ / Stock IC 510mm x 130mm x 110mm, 7.293cm³)Approx. 85% bigger surface and 90% more volume over Stock Intercooler. The Competition Core provides excellent cooling properties and weight is also very low (8,6kg). The endtanks of the intercooler are made of cast aluminum and have been optimized with the help of flow analysis in the CAD system. Plug & Play Installation using the stock plumming, no cutting or bumper removal required.packing list: 1 intercooler 1 mounting material 1 installation instruction Downpipe-Kit N55 with 200CPI catalyst 500001010replacement for OEM BMW Part# 18328603875made 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 200cpi catalytic converterconnection diameter 105mm