magicgreg

Got a MY07 STi which is going to be around 350bhp in around 2 months or so with the usual mods of full decat exhaust, uprated fuel pump and an ecutek remap.

So everyone always says there is no point in getting an induction kit whilst under 350bhp so what about when at 350bhp or just over that figure?

Can someone explain why the 350bhp figure?

What induction kit comes recommended if an induction kit is actually required?

Or is it more beneficial just to replace the panel filter to a Green or Simota etc

Cheers

G

ex-webby

Save your money and stick with the standard airbox with an uprated panel filter at this level (K&N is good). I tested up to 380bhp with no issues and Litchfields TYPE25 road car runs this configuration for 410+bhp.

IMO spend your money on something more worth while.

renno rannes

Id defo go panel filter also.

Renno

Tidgy

has a typhoon inner wing cold air feed ever been back to back tested against a pannel filter on the new age?

magicgreg

Cheers lads.

G

ex-webby

Tidgy,
If it's the one I am thinking of, at over £200, the cost vs any minor performance increase is not worth it..... a K&N panel filter costs around £40 and when we tested it on the Spec C it gave around +9bhp and increased torque. At this kind of level I fail to see why people go crazy over induction kits on a newage...... waste of money imo.

Tidgy

is the 9bhp the typhoon oevr the pannel, or pannel over standard?

ex-webby

Panel over standard, back to back about 3 times to be sure on the same rollers on the same day.

Tidgy

ah right, have you got same figures for the typhoon, although any inner wing mount one will do lol

ex-webby

No figures for typhoon, but realistically it is not going to get your much more.

Tidgy

would have thought it depends on flow, might get a 5-10 extra, but if your tuning on a limited budget, £20-£40 per bhp is pretty cheap in the grand scheme of things

ex-webby

Tidgy,
Say it did get you 5bhp extra (I can't see any induction kit on it's own getting 19bhp over standard lol) over an upgraded panel filter, are you suggesting that 5bhp is worth £150+? It just does not make sense..... fair enough if you want to buy one, but you can't justify an induction kit for performance over an uprated panel filter at this level on a Newage in my view.

magicgreg

webmaster is making sense to me, its a K&N panel or a Green, simota equivilant.

G

cmed

i have a 51 plate bug eye all the mods with a vf 35 and im having to go back to my standard airbox because the wing mounted induction kit wasnt no good for it and wouldnt run the turbo properly i was getting lots of surge
i know people that have them on classics but newage cars dont seem to like them although it was fine with my td04 before the remap now with the vf35v its just surging like crazy soon as i get green cotton filter delivered im going back to the standard one
they do sound good though the induction kits you really hear them sucking and the turbo spooling up so i think its probs a try it and see if you can get 1 cheap if you wanna see mine let us know as its going in the garage

ex-webby

cmed,
We had exactly the same problems when we tested an induction on the Spec C. This is another downside on some cars.

JimmyBFC

Ive got a 03 sti ppp and having it mapped on thursday, been told by the garage that Im better having a cold air typhoon put in aswell....surely from reading this thread its not all that important?? I have just fitted a green panel filter.

The garage in question are a well repected bunch aswell so whats the consensus, sorry to hi-jack the thread a bit fellas, I posted a thread on this but no-one replied...

ex-webby

I have spent countless hours in the dyno room testing and like I said, imo, it is not worth the extra outlay. You pays your many and take your chances. If I was you, I wouldnt, and I would just stick with an uprated panel filter.

Your lucky... I had bought a £200+ induction kit, only to test and then put the uprated panel filter back on.

JimmyBFC

Thanks for that mate, I don't really wanna say who said it, but I was a bit suspicious because the other day when I enquired nothing was mentioned about a cold air induction for a remap, ill have to have a word with them when I take it down, having a load of handling mods plus the remap, so hopefully it'll get 330 min and some nice handling to boot, plus the extra torque, ill tell them im keen to keep the panel filter.

ex-webby

No problem. It's your money at the end of the day and the money you save will be offset against the handling mods you are having, so all is good.

jasonius

iTrader: (1)

Lol, it's amazing how often this comes up..!

My opinion, as others is just stick in a decent panel (~£40). Then what I did was insulate as much of the OEM intake system as possible (ie ram scoop/air box/maf tube). Just feel the coolant hoses that run above and below these items and you'll know where to insulate..!

The only other thing I've done is fit a smooth 's' maf-turbo inlet pipe hose in place of the corrugated black plastic oem item. The concertina walls of the std hose MUST effect the air flow and cause turbulence..

Iirc, the T25 uses a similar mod..

New_scooby_04

iTrader: (4)

Yep, about that money webby: I'm gonna need you to repay that loan!!

To the OP. Probably preaching to the converted by now, but don't bother with an induction kit/CAIK at your level.
Ns04

swisstonihasher

Sorry to throw spanner in the works here but what I'd do is try to think ahead - what power are you looking for in years to come? If well over £350 then get a CAIK now. I did the various stages of upgrading parts to match power levels (cost a mint) but I did go for CAIK and then changed the filter for an even bigger K&N job which just fits in the wing - will never need to change that whatever power I'm chasing.

wrx9181

iTrader: (2)

im waiting for the new generation of blitz filter to come over here and see what there like seen pics but dont know performance yet replace alot of the factory plastic with carbon etc looks mint

jasonius

iTrader: (1)

Well it's not like a £40 panel filter is going to break the bank.. In fact, they save money on replacement paper filters..

ex-webby

swisstonihaser,
Unless the OP is looking for over 450bhp and/or moving to a FMIC, it is still not worth it.

Tidgy

depends how far your going, for example, how many people out there go for huge builds? and how many stay witht eh stock but map and decat it?

lets say you take a stock 04/05 sti. going on very rough prices ehre lol

after remap its running 330 and has cost £1000 to get it there, pannel filter, (£40) decat (£350), fuel pump (£100) map (£500). so its gone up (276 -330) 54bhp, 1000/54 = £18.51 per BHP increase

take off the £40 and add £150, £1100 total and the bhp is an additional 5bhp over the pannel filter 1100/59 = £16.94 per BHP

so your saving £1.60 per bhp and getting that tiny bit extra

if you wanna go over that, your looking at a new turbo which is very expensive indeed, so for a little extra cash your getting a better cost compared to increase improvement.

ex-webby

Not really. An induction kit costs more than £150.... my £150 was the EXTRA on top of the panel filter. Even that is only £190 which is cheap for a kit regardless.

swifty.....!

iTrader: (4)

at the 350bhp mark your best staying with a panel filter as max difference is about 5bhp but you can get inwing induction kits for alot less than £150 tho as my old one cost me £45 for metal wing induction pipe and £50 for k&n filter but my current induction cost £200 but that was more with future mods in mind i.e front mount etc.

never had any boost problems on the inwing induction on the vf35 mine was road mapped tho

ex-webby

swifty,
You can easily map round any surge line by capping boost.

Tidgy

also its one of the last mods you can cheaply do before the cost sky rockets.

if you draw the graph for power against cost the more power the more it costs to get it, and the graph goes very evry quickly skyward.

i agree that its not giving you hug amounts extra, but it is a little bit extra for not alot of extra cost.