does everything come with it soo its just easy bolt on and go?? or do i still have to do some modifications??

--1996 eclipse RS--
5-speed
90k miles- white
car runs fucking great!! - good gas mileage!!
2 years of ownership
--engine mods--
short ram intake with K&N filter
custom N1 2.5inch exhaust
symborski shifter kit
aftermarket wires
aftermarket plugs
aftermarket clutch
check out http://www.cardomain.com/ride/2059598 for pictures