Straight piping.
Exhaust
Chip
Cold-air-intake
but those are standard upgrades, if you want to out do just about everybody, you looking at bucks
Injectors (90 HP) $2,400
Turbos $1,000-2,400
Innercooler $1,000
Ported cylinder heads, and exhaust Manifolds,
you need to pull the motor. bill will be $2,000-3,000
but by then you will have over 500 hp. but still it depends on cash.


