need some info on some performance parts. what is the best parts for our evo cuz i'm thinking of going with ams cat back, down pipe, and under pipings for the inter cooler. what to you guy's suggest? and would i have any problem on smoging the car if i put this mod or more mods pls need help. this is my first time having a turbo car and i hate paying somebody to smog my car cuz i got some mod that the car wont pass smog i used to drive a crx b16a and got some mods in it like cams, exhaust, clutch amd type r intake manifold

 

Make sure you save your cat so when smog time comes you just put your catalytic back.Get a boost controller,drop-in filter,fuel pump then get it tuned.