i have the sirio 3.0 installed in my tmaxx. its about 3 weeks old and i have no problems with it. i can run it for 3 straight tanks and the temps stay at a constant 230. it runs great even with just the stock pipe. it runs more consistently than when i had my 2.5. i am also using the turbo plug for it. its pretty powerful. the break in did take a gallon of fuel as stated in the intsructions.

im new in this hobby but i really love it. it really eases any stree i have from work.