51mm DB Killer Silencer for motorcycle exhausts. A compact silencer designed to fit standard 51mm pipes, delivering quieter operation and a refined look without a full exhaust replacement. Key benefits - Reduces exhaust noise for a more controlled sound in urban riding and track days - Stylish understated design enhances your bike's appearance - Cost effective upgrade compared with replacing the entire exhaust system What it does - Maintains exhaust flow while lowering decibels - Reversible modification that preserves resale value Fit and compatibility - Fits exhaust pipes with a 51mm diameter - Simple installation using common mounting hardware; check model compatibility Specifications - Inlet/outlet diameter 51mm - Designed for durability and long service life Use scenarios - Urban riding to meet noise limits near homes - Weekend rides for a balanced, refined tone - Club events or hobby tracks with noise restrictions Why choose it - Lightweight compact design easy swap versus full system mods - Helps achieve a cleaner look while staying cost conscious