There is also Jett Engineering and Novarossi (see link) for rear exhaust motors. The folks at Jett tell me thier motors are designed for speed not slow pattern.....just the ticket for Ballistic Pattern. Here is the Novarossi -
http://www.planethobby.com/cgi-bin/m...rtNum=10010490
The Novarossi looks as sexy as an engine could look. Would like to hear from someone with one of these motors. I think the Supertiger rear exhaust is still available also.