i brought a GB270 a month or so ago and so far love it to bits...

But im putting a list togther at the minute of things to buy come june time..

I would like it running somewhere near 340-350bhp and 400lbft.
More if possible

What kind of gains would i expect from all of the following combined, i know this has probably been asked before but after searching for the last hour im still non the wiser:

1. Uprated STI VF34 Turbo
2. STI Top mount
3. KnN Panel Filter
4. Uprated Walbro Fuel Pump
5. Uprated 550c STI Pink Injectors
6. Turbo Back 3" Exhaust, first cat removed, second CAT sports cat
7. Then Remapped to suit

Anyhelp will be much appreciated

Thanks

Rob

 

Bobby C over on the Scottish section on sidc has one and this is his mods and results hope this helps.

VF 34 Turbo
Version 10 STI TMIC
Zerosports Undertray
Air circulation resonator delete elbow
Green Panel air filter
Walbro 255ltr/hr Fuel pump
EVO Plugs NGK ILFR7H
Prodrive Sports Cat Exhaust
Ecutek custom remap

And the result was an average of 342 BHP @ 388 lb/ft of torque

 

thanks for the info dude

 

06 wrx already have the uprated injectors from standard

 

Yep. Bigger injectors are not needed as they are already in there.

Mapped a few to this power level. It makes a superb road car.

 

1. Uprated STI VF34 Turbo - Yep
3. KnN Panel Filter - I would go with a cosworth or other dry panel filter
4. Uprated Walbro Fuel Pump - Yes if going with turbo
5. Uprated 550c STI Pink Injectors - Existing injectors are already 550cc
6. Turbo Back 3" Exhaust, first cat removed, second CAT sports cat - Sports cat usually replaces the first cat, this is more effective and doesn't hurt power, do away with any other cats
7. Then Remapped to suit - The crucial bit!

It's borderline as to whether the plugs are required, most people jsut go for the ILFR7H at service time.

 

Thanks everyone for your input.. by taking out the injectors from my shopping list thats saved circa 600 quid..

 

dealer in scotland has 07 plate gb270 modified to 350bhp he tells me, i'm bit clueless as to what i'd be getting myself into, and would appreciate any advice. It's a wagon btw, and currently driving leon cupra (240bhp version) on 08 plate, this would be my first venture into 4wd, and wonder if i should be looking at unmodified instead, especially given my lack of knowledge in these things