in my opinion i think you should go for a 1jz. will be much cheaper to make big numbers in the end if thats your goal. especially for an SC lex. many many many more parts available and people who know the engines around.0
an intake is nice to eliminate all of those plastic pieces you have to deal with on the stock filter.... honestly after my filter is in need of replacement i am going to stick on an intake for convinience.
on a side note you can buy any filter from an 86.5-92 toyota supra as well they use very...