dB Dawg™ 4 Stroke Silencer Insert - External Fit Exhaust outlets from 1.31" to 1.50" Reduces noise levels up to 10 dB with just the insert No exhaust modifications are neededHow d..

 dB Dawg™ 4 Stroke Silencer Insert - External Fit Exhaust outlets from 1.50" to 1.75" Reduces noise levels up to 10 dB with just the insert No exhaust modifications are neededHow d..

 dB Dawg™ 4 Stroke Silencer Insert - External Fit Exhaust outlets from 1.75" to 2.00" Reduces noise levels up to 10 dB with just the insert No exhaust modifications are neededHow d..