50mm/51mm Extended Db Killer Suitable For Motorcycle Exhaust Muffler Adjustable Muffler Db Killer - Exhaust & Exhaust Systems(motorcycle) - AliExpress

universal 51mm front end DB Killer for Motorcycle Exhaust Muffler DB killer for Honda CBR250R CBR300R CB300F CBR500R CB500F cb - AliExpress

Motorcycle Exhaust 60mm DB Killer Silencer Muffler Baffle Eliminate Noise 125mm

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1 x 51mm Motorcycle Exhaust Muffler Can Mutter DB Killer Exhaust Pipe Insert Baffle Silencer - AliExpress

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Db Killer Adjustable Motorcycle Muffler Universal Db Killer Motorcycle - 1 - Aliexpress

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Motoecycle Exhaust Muffler Modified Noise Eliminator 50mm 51mm 45mm 50.5mm DB killer Moto Stainless Steel Noise Reduction - AliExpress

LKV Motorcycle DB Killer 51mm Universal Muffler Silencer Noise Eliminator motorcycle silencer Compatible with Harley Moto Guzzi, Honda, Kawasaki

Decibel Killer for Toce Razor & Double Down Canisters

Akrapovic DB Killer V-TUV158

Spark Arrester Kit DB Killer Insert for Yoshimura RS-9T Mufflers (SA-1 – Steady Garage

1 3/4″ x 20″ Decibel Killer baffle for 4″ Mufflers