Competition Package Wagner Tuning EVO1 for BMW F-series M 135i Intercooler / Downpipe - WT-700001026 - 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 / F33 till 06/2013Inetrcooler 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 mnstallation instruction 1 TÜV certificate 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