dan320sti

Is anybody running 400 bhp if so how have you done it lol cheers

peter zippy reid

iTrader: (25)

Would help if you stated what model you have mate

banny sti

iTrader: (68)

I've ran on a classic sti the following standard power, 320, 380, 440, 522 and 666bhp. So as above what model do you have?

FMJ

iTrader: (2)

and...... how deep are your pockets? How long do you want it to last? What do you want to do with it?

dan320sti

Hi guys sorry I have a hawkeye prodrive with320 bhp so it's a 2.5

I had a checky race with a 13 plate rs focus and the wasn't enough distance between the front of his car and the back of mine lol hate ford with passion lol

BBB3

iTrader: (7)

You will need 10g

FMJ

iTrader: (2)

Even with another 80bhp he wouldn't have been far behind. Not unless you were we going for it through all the gears up to max top end speed and that's not really something that can be done on the road if that's what we are talking about.

I am sure people will give you various options but all will be quite expensive to do reliably.

**jay**

iTrader: (1)

A 2.5? you will need pistons not made from chocolate for a start.

User 21721

Going from your profile name I presume you have an STi?

For 400hp you will need the following:

Larger turbo - something like an SC40/42, MD321, etc.

Larger injectors - the standard 550's will be running at their max potential so go for at least 650cc.

Fuel pump - 290lph or more from Walbro, RCM, etc.

Panel filter/induction kit - I think a panel filter will be fine at that power and is usually the better option in terms of cooling.

Exhaust - Decat or sports cat system. The prodrive will become restrictive circa 400hp.

Unfortunately as your car has the 2.5 engine it will require a full engine rebuild. I.e. pistons, conrods, headgaskets, etc. Even at standard power the 2.5 are known for blowing so it is just a matter of time.

Remap - Who you go for is up to you there are many specialists who will happily participate. It just depends on your preference, location, etc.

I would recommend that you upgrade your discs and pads along with other suspension parts in order to make the car handle the extra power on the road through corners, etc.

So all in all you are looking anywhere from 3-6k and if you can fit the parts yourself and source the parts cheaply enough you will be looking at the lower end of that figure.

Regards,

Subaru Collector 555.

domino46

If its a sti you can get 380bhp out of it with just a few tweaks (decat ,tgv delete , fuel pump,map) but it may have a devastating effect on your engine , or like mine you could be fine ,, but as you have a 2.5 I'd say ,,hope for the best but plan for the worst and get a rebuild sorted before you HAVE to as that day is coming lol

Steve's Sti

iTrader: (2)

trade it in for a type 25 job done or do like the rest of us and sink 10k into the car

dan320sti

so is my car prone for blowing up ?? this is a very distressing prospect lol i think ill leave it as it is lol iv got a gsxr so ill bring that out for further races

FMJ

iTrader: (2)

Lol.... it's just the 2.5 block mate. The pistons are the weak point and many people have had problems on both standard and modified setups. So people try not to tempt fate by pushing them further.

What about looking at suspension and brake upgrades and then you will be able to get away from pretty much anything around corners and forget the drag/straight line racing that the Impreza is not designed for.

BrownPantsRacing

iTrader: (6)

You sure your car is 320bhp? Do you have a printout?

I only ask as I also raced a new RS focus in my 334bhp hawk WRX and absolutely trounced it! Overtook it when they were on full chat trying to get away.

dan320sti

yeah but this particular rs is running 400 break lol and anti lag i know the lad and he has endless cash lol he carnt drive to save his life mind but in a straight line a monkey can go fast . it is 320 break iv got 3 printouts its running 321

and iv destroyed countless tt s's and boxters lol

dan320sti

im going to be doing my discs and pads soon any suggestions ? i know everybody is different when it come to breaks and clutches

Tyre-fitter

iTrader: (1)

Cannot have been a 13 plate RS must have been a ST as the RS only went upto 61 plate.

Andy.

dan320sti

It is an rs defo im not sure on the year its probably a private plate the focus st is slow.