DB KILLER

Motorcycle DB Killer Silencer Noise Sound Eliminator Exhaust Baffle Killer Muffler Silencer Adjustable Muffler Silencer,60mm

DB KILLER FOR DOMINATOR EXHAUST SYSTEMS

Akrapovic Noise Reduction Insert (DB Killer)

Spark Arrester Kit DB Killer for Yoshimura RS-3 Mufflers (SA-18-K) – Steady Garage

For LM R8 silencer first version, with production before to December 2019.

DB KILLER FOR LM R8 33MM

Greasy Greg: Building a DB-Killer that actually works

M4 Exhaust Quiet Insert (Db Reducer) - Sportbike Track Gear

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

Redthunder DB Killer Medium sound - Twinoza

What is a dB killer? - Quora

Decibel Killer Insert for GP Mufflers

49mm 51mm Removable DB Killer For Original Yoshimura R11 R55 R77 Motorcycle Exhaust Pipe Silencer Silenciador muffler plug - AliExpress