Just picked up this:

[RAD-628] Radical 628 .28 Off-Road Competition Truggy Engine (Non Pull Start)

and this:

[RAD-37971KIT] Radical Three Chamber Off Road Competition Adjustable Tuned Pipe

Radical 628 with radical pipe. Should rock my truggy. Anybody have any experience with em? Any tips? Also woudl like to know where I can get parts.