Jetprime - Precision Control, Supreme Quality Jetprime PAIR Circuit Eliminator Kit for BMW S1000RR R XR M1000RR HP4 The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. It is designed to improve emissions on stock exhaust systems, but will cause exhaust popping and backfiring when you fit aftermarket exhausts. includes JPES018A JPES018B and JPES034 eliminates exhaust popping noise on deceleration and backfiring typically associated with aftermarket exhausts achieves true A/F ratio for fuel tuning. A/F ratio measurements are reliable frees up engine space can improve throttle response when used with full aftermarket exhaust systems enables removal of the PAIR system completely, including the valve, the PAIR cover and the associated tubing eliminates the dashboard error easily bypasses the PAIR circuit solenoid without any cuts or splices comes with an OEM connector for direct connection plug and play product, no need to cut wires plastic cap closes the airbox inlet hole aluminum caps x 2 close the engine head recommended for race use Part No. JP ES KIT11 Model compatibility BMW S1000RR 2009 - 2022 BMW M1000RR 2021 - 2022 BMW HP4 2013 - 2014 BMW S1000R 2014 - 2019 BMW S1000XR 2014 - 2019