Decreases sound levels by -3 to -5 dB

Google and mask kit

These are inhibited with very effective additives

while the option to add Bluetooth adds functionality

Performance Machine Radial Mount 4-piston Brake Caliper

miller standard exhaust baffle db killer 2OM Decreases sound levels by -3Miller Standard Exhaust Baffle DB Killer The Miller Standard Baffle is a replacement baffle for all approved Miller slip on mufflers and exhaust systems. Features: Designed to fit Miller slip on mufflers & exhaust systems. Does not effect EU approval status of slip on mufflers exhaust system. Easy to install. Sold each. Sound recording comparison: Standard baffle (EC Euro approved) Racing baffle (not approved) No baffle (not approved)