Go engine GX5R .21 race engine and pipe
 

I bought this as a 2nd hand spare and have never run it but I would imagine it will run and would be a great pratice engine, It had done a full season of racing when I got it.

The pipe has also been well used but its mechanically sound and ready to use.

http://www.ebay.co.uk/itm/1610124041...84.m1555.l2649