I just had a question, iv gone and bought a turbonetics t3/t4 E that has been recently rebuilt. and i just wondering what parts i might need to install this. im not too cluey on these things and am probably gonna get a mechanic to install it. but from what i know its a externally wastegated. do i need a new top mount manifodlw ith a wastegate and screamer pipe. or is this just a bolt on turbo?. pls help getting ths turbo delivered and it was a spur of the moment purchase