Style chooser

Yo, hi bros.
I would like to change my original 4g93t auto gear box side mount intercooler to front mount, hope to get some feedback from all master below my concern:-
1. Any one can recommend where can I get a good workmanship welder and installer?
2. How much it cost to perform the welding and installation? Thinking to buy new intercooler myself.
1. what size of intercooler is good for 2 inch of SS pipe? or should I go for 2 1/2 inch intercooler and piping?
2. After change, will it be...