Model Year : 04 05 Description: Intake kit developed by carrying out fluid dynamics studies and practical tests on the test bench. They increase engine performance. More captivating suction noise Description: Air funnel kit developed making practice test on the dynamometer and fluid dynamics studies This kit improve power and torque on your engine. Amazing intake sound. Dynamometers results: hp/rpm HP/Time Torque/Rpm Hp/Speed Speed/Time Test info: Bmw S1000rr with full exhaust system Arrow and Ecu Rapidbyke evo Blue line = Stock kit Red line = Venturi system kit Worldwide fast delivery with Air mail.