DESC. AIV (AIR INJECTION BLOCK OFFS) PLATES ARE USED TO REMOVE THE EXHAUST AIR INJECTION SYSTEM ON THE YAMAHA R6 MODEL MOTORCYCLE. THIS PART FITS 2003-2012 YAMAHA R6 MODEL MOTORCYCLES. HELPS ELIMINATES BACK FIRING ON DECELERATION LIGHTENS A RACE MOTORCYCLE WITH UNUSED AND NEEDED PARTS EASES MOTORCYCLE TUNING
