*Covered by CY 50% Crash Replacement Policy!
Presenting the latest addition to the Youngblood Products line, The Muscle Pipe 6 90. More power than the previous, and at a higher RPM band.

Works with OS and YS engines
Works for 70 - 90 size engines
Works well with or without a governor
Includes all mounting parts for OS, YS and Thundertiger
Mounting works on forward or rear facing engines

Increases power over standard mufflers by .3 - .5 hp
Runs well on nitro levels for 5% to 30%