Barker's Exhaust Quiet Core Insert Select Your Size:Dual Exhaust 1" Quiet Cores we were back at LaBaron’s

we were back at LaBaron’s Power Sports dyno again to build our custom fuel maps and finalize our tuning and testing

this Big 3 setup delivers measurable gains in horsepower

they help your engine breathe easier without sacrificing protection

When we opened up the airbox by slotting the snorkel opening

we got our hands on a literally brand spanking new 2018 YFZ450R

Barker's Exhaust Quiet Core Insert Select Your Size:Dual Exhaust 1" Quiet Cores we were back at LaBaron’sBarkers Quiet Core Inserts Barkers Quiet Cores are designed to reduce peak decibel levels by a small but measurable amount (typically 13 dB depending on system and packing condition) while maintaining strong performance and safe exhaust flow. These inserts are engineered to reduce peak decibel output while maintaining proper exhaust flow and engine performance. They are not intended to return the exhaust to stock sound levels. Available Sizes 1 Inch