I have the ttp meth injection setup for an evo and so is the intercooler pipe . but it can be adapted to dsm.

its ment for underhood install but if some fuel line is purchased it can be relocated to the rear of the car.

Whats included is
injen uicp tappped For the meth line
Pump with brand new 100% meth compatable diaphram
injector nozzle
progression injector controller
the wiring
the soleniod
basically all thats needed to install.
ASKING $$250.

heres the link to ttp themselves.
Track & Tarmac Performance Engineering