This kit consists of high flow stainless steel downpipes with high flow metallic catalytic converters, high flow stainless steel exhaust system with Pierberg exhaust valves, Bosch Motorsport 5.0 bar fuel pressure regulator, Bosch high volume fuel pump, NGK laser platinum spark plugs, ITG sport air filter elements, high pressure silicon hose set, MTM performance engine management software, MTM performance transmission management software and misc hardware.