ALL 2004 + Yamaha R1 / R1M SMOG Block Off Plates PAIR SAS AIS Valve Eliminator Kit as well as

as well as

Moto Guzzi & Laverda

less-expensive

Will fit many other bikes

Also includes a PAIR valve eliminator plug

ALL 2004 + Yamaha R1 / R1M SMOG Block Off Plates PAIR SAS AIS Valve Eliminator Kit as well asSMOG BLOCK OFF PLATES The PAIR SMOG system feeds fresh air into the exhaust to aid in the combustion of unburned fuel. It was designed to improve emissions, but will cause problems with many aftermarket exhausts mufflers. Plates are machined from billet aluminium. Stainless steel bolts & washers, plus a high temp rubber airbox cap is supplied. Also includes a PAIR valve eliminator plug, to fool the ECU into thinking it is still connected & prevent it