The Tower muffler will not fit this small block engine and a Jett muffler cost even more than a bigger engine. Just get a cheap .50 engine and you`ll be happy. Hobbycity sells ASP XLS 52 for only 55$, you`ll have way enough power with that one and it is cheaper than any pipe you can buy

http://www.hobbycity.com/hobbycity/s...e_Glow_Engine_

Temporarily sold out, no wonder