Description Yamaha YZF-R3 R25 Smog Block Off Plate Xitomer Yamaha YZF-R3 R25 Smog Block Off Plate (2015-2019) are intended to block the air injection system’s valve cover apertures (a.k.a smog pumps or AIS). Features: Made from CNC billet aluminum. Reduces the ignition of fuel vapors in the exhaust systems. Preserve your expensive exhaust system and prevent damage to the internal muffler packing. Prevents unfiltered air from entering the intake system. Promotes a better surface seal and also provides a clean, finished look. Pakcage includes: 1 Set Yamaha Smog Block Off Plates Fitment: Fit For Yamaha YZF-R3 YZF-R25 2015-2019
