It holds steady at 240 to 250 degrees and rips. I usually run a med-hot turbo plug. The clutch is the losi carbon and aluminum shoes with black spring I believe. Since I have no track to race at I'm sure I'll go for the long lasting shoes after I finish this clutch off. The 5005 pipe is a great pipe, I'm not sure if it's still for sale or not I haven't checked. I'm sure there is an equivalent pipe though.