RE: Raptor 50v2 Mods
The MP2 (Muscle Pipe II) is made by Curtis Youngblood Enterprises.
[link]http://www.curtisyoungblood.com/muscle_pipes.html[/link]
Web site quotes street price @ $110
His web site currently states - "MP2 50 LR- Low gear ratio 8.5 - 9.0 (Raptor, Hirobo) Out of Stock. Next shipment due by middle of February. Check your hobby shop for availability. Runs best with standard OS 50 carb and Morgan 15%-30% fuels."