MRC

i am wanting to get more bhp out of my car i have an 04 sti running 370bhp and i want to know what other mods i need i have got an ecutek ecu bigger fuel pump and a 5 paddle clutch and a decat can anyone tell me what the next step would be will it be an engine rebuild and a new ecu thanks Andy

Aztec Performance Ltd

iTrader: (234)

How much more power are you after?

stevebt

iTrader: (8)

I would put a bigger turbo and injectors in and see what happens

MRC

about 450 bhp

Semper

Shouldn't need new ECU. Good for 500ish bhp with a ECUTek map and supporting mods.

Depends how far you want to go. Don't need a rebuild until it goes pop.

400bhp(ish) = TD05/06 20G or MD321H
400+ = MD321T, FP Green
500+ = Garrett or FP Red ...some basic turbo options

All of your cats gone? Uppipe? Downpipe?

Which fuel pump? Walbro good for 400ish, but I'm going to go for the bosch for safety.

Bigger Top Mount IC or Front Mount IC.

New remap!

New_scooby_04

iTrader: (4)

How much have you got to spend? If you want to go much above 400 reliably it's gonna cost a lot more than circa 400.

Ns04

Semper

Turbo, FMIC, Full 3" exhaust, headers, clutch (will go eventually), would go bosch fuel pump (not 100% needed but makes sense), remap.