It has the same crankcase as the black magic off road .21.
It takes a special manifold as the exhaust port is at a slight angle downwards.
Axe Magic pipes are good so you shouldnt have hassle.
These motors were/are extremely popular with the drag racing guys.Apparently they can make big power.
casterracing EX-1 Pro, SP Silver Arrow
TOP Racing Scythe, SP 17.5, SP GT Pro 2.0
TOP Racing Scythe, SP 4.5 V2, Hobbywing Xerun 120SD 2.0
TOP Racing Scythe, SP 13.5, Hobbywing Xerun 120SD 2.0