maybe. your definetion is a little off though. does his modified exhaust actually do something for the vehicles performance, or did he just slap on some muffler/exhaust tip to make it sound "cool"
i have a modified exhaust, i do not have a turbo or supercharger, and my car is certainly not "ricer" material
air moves through your intake way too fast for the material its made out of to effect it, you just want the filter to be in the coldest place possible. i would use nothing thinner then 3.5 inch pipe