Processing customization is a style round model 51mm 60 Bullet sound-reducing plug material stainless steel length 120 Applicable models are universally compatible with models Universal supporting relationship Applicable article number SCL-2017090011-508 Specification A 50.8mm, A 60mm Function anti-rust Applicable scene commuting purposes Noise reduction name exhaust pipe sound reduction plug catalyst muffler size 51 60 product name: motorcycle exhaust pipe modified 51mm 60mm muffler porous sound reduction plug back pressure core mute catalyst sound reduction product description: modified muffler catalyst sound reduction plug to reduce noise and purify exhaust gas standards Product weight: 120g Packing method: bag