KK3960

iTrader: (21)

Anyone running around 400HP with an APS Cold Air Induction Kit (Lower Wing One) Also what do these things peak out at as i notice they have just introduced another one into the range with a larger bore?

jd5217

running 385bhp with mine.

stevebt

iTrader: (8)

i used to run one on my old classic with a 20g turbo and when i added it with an inlet pipe and a tweak of my map the difference in acceleration was huge !!

KK3960

iTrader: (21)

Im at 370HP but been told its restrictive to get to 400HP??

jd5217

if i put a FMIC and go to a 3 1/2 " exhaust i would make the 400

KK3960

iTrader: (21)

Would the APS CAIK be able to acheive this level though??

stevebt

iTrader: (8)

just noticed from other threads that you have a newage car !! i tried a cold air on my new STI and it doesnt work that well so i have pulled it off and went with RCM,s largest filter. the cold air worked well on the classic shape but not so well on the newer one

jd5217

havent had any problems with mine & the mapper said it could make the 400bhp

swifty.....!

iTrader: (4)

they have it on there 400 http://www.wrc-tech.co.uk/subaru-04sti-WRC400.htm

jd5217

thats who i use.

KK3960

iTrader: (21)

Be interested to hear from more people with this kit on around 400HP as the Cone filter such as the RCM unit seems to be the preffered choice at this level!

stevebt

iTrader: (8)

when i was thinking about adding the cold air kit to my car andyf told me that from recent datalogs of maps the cold air only achieved about 8bhp more than an sti panel filter !!

KK3960

iTrader: (21)

Steve whats your filter size? Any ref no's etc?? Seems to be a few different ones on the RCM web site. I spoke to them earlier in the week and they suggested a 80MM dia cone ?

stevebt

iTrader: (8)

thats the size you want!! i use a 210mm filter and a 100mm cone but that will kill your maf if you use that one

Aztec Performance Ltd

iTrader: (234)

AndyF and John Banks didn't find the standard sized filter that comes with the kit to be restrictive at 400bhp+.

KK3960

iTrader: (21)

So what size cone are we talking about then ?

WRX_Rich

iTrader: (5)

KK3960

are you planning on running 400 bhp on a std internal wrx, as you may strugle with the 20g

I know with my turbo ( bigger than the 20g ) the STI's seem to be able to get through the 400bhp mark mine seems to be 10+ bhp off - or I could change rolling road

harvey

iTrader: (48)

I know that on my STi 6 Wagon the APS CAK was restrictive at 400 bhp, probably before and I would imagine that much the same applies to other cars including New Age. The filter supplied with the APS CAK at the time was from K+N who themselves confirmed the filter was not suitable for 400 bhp.
At the time, APS in Australia told me the CAK was intended for something around 320 bhp and at the same time they said there was no need for a remap although it might be advisable.
My advice would be that under no circumstances fit an APS or similar CAK without having your MAF sensor rescaled.

SoNiCa

APS CAI kit has K&N RU-3130 air filter rated at 800 CFM. dont know hp numbers

Bob Rawle

The MY99-00 APS CAK is restrictive above 400, also its definatley NOT a good idea (or a bad one) to fit to a maf based car (read still using oem ecu) without a remap as it causes up to 25% under fueling with the inevitable result. If remapped on a std engine then, yes, its a good item.

bob

KK3960

iTrader: (21)

Hi gents, Andy has already mapped it / scaled the MAF to suit, Im currently at 370HP. Im waiting to get tweak mapped now from Andy after recently fitting 650's, 3.5" APS system, GT spec headers & Bigger IC. Ninnybobs has the RCM CAIK over my APS unit and he is curently just at the 400HP limit on the same rollers and virtually same spec, with standard WRX internals, so im just interested in finding out if the CAIK will be the limiting peice in the jigsaw !

May try a larger filter on the end, has anyone tried this?

Also I still havent heard from anyone running a newage above 400HP with the APS CAIK, Surely someone is out there??? If not then whats my alternatives??

GazTheHat

This guy is around 440 with a APS CAIK:
http://forums.sidc.co.uk/forums/675713/ShowPost.aspx

killa

iTrader: (7)

There is a chap who runs his wrx newage at york and elvington am sure he is on the aps kit but he has now fitted a larger filter and tweek of map, this allowed him to get into the 11's on the 1/4 mile before he was in the low 12's, there was a post in general about him making the 11's.. find him...

https://www.scoobynet.com/subaru-bug-eye-t542980.html