Modified Upper/Lower Airbox + Modified MAF

[Supercharged]

I plan on cutting the veins out of the upper part of the stock airbox and sanding it down to a smooth finish on the upper and lower part of the upper airbox. I also plan on doing X's modified MAF to allow more airflow. Personally I dont think there is a need for the CRV tube X used in his intake so Im going to just use the stock one. I will also be using P2R TBG/TBS/TBG. For the lower part of the intake (the part thats behind the foglight. I plan on cutting the front off of it so it will kind of be like a RAM but not really just alows air to flow into it easyer... I plan on doing this within the next week or two I will try to get a dyno before and after for you guys. By the way this will be on a stock Si. I also have a friend with a moded Si e/h/i I will also try to get him to dyno with his current intake and with mine for you guys aswell. I will try to update this as much as possible and once Im finshed I will def make this a DIY if the gains are sufficent enough. Let me guys know what you think about my idea... Im trying to get the most hp/tq while spending the least amount of $ (like the xintake $300) with mine you would have to spend around 80-90 for the P2R goodies thats about it. I dont want to use the K&N filter because its oiled so Im also just going to stick with the stock one. I also have a version 2 in my head but want to see how this one works out then we will see about the v2.

I hope it works out this can give you kinda the idea im going for

[Supercharged]

Im looking to get around the same gains as the X intake the whole thing Im looking to gain is a bit more tq and a perfect air to fuel ratio I have not dought it will make hp but the tq and afr is what Im hoping for. What I believe makes hp/tq/afr for the xintake is 70% the MAF 10% P2R Goodies and the other 20% is the apexi filter that Im not going to be using but with my setup you should have cooler air going in aswell so Im hoping that will help me out a little bit.

[razasasin]

I'm in for results.... Hopefully it'll be a bonefied diy alternative to the x - which I luv, but it's loud as fawk at wot....

[razasasin]

don't forget a drop-in amsoil or other high flow filter...

[Zeuceone]

dont expect to much. the stock filter is very restrictive.

[Supercharged]

Originally Posted by Zeuceone

dont expect to much. the stock filter is very restrictive.

Do we have any other filters other than the K&N? I would like to get an aftermart one that is less restrictive but not an oiled filter like the K&N.

[Zeuceone]

for stock replacement idk.

[Supercharged]

I mean I do have another plan if the gains arnt what I want them to be with the v1 because I did think of the filter but I figured with the P2R goodies and the MAF I would get better than stock... I didnt really want to show anyone my v2 until I did my v1 but I guess I can show yall my idea for v2

Its kinda like a poor mans power chamber I guess you could say basically the same as v1 minus the the lower part is replaced with an apexi filter. and the removal of the stock filter.

Attachment 11183

[Supercharged]

Bump for people to check out v1 and v2 let me know what you think... input is always welcome!!!

[bizzybearfigiblue]

i like V1 more... but i don't think u will see true gains from it on the dyno seeing as it's kinda hard to replicate the ram effect on the dyno...

u will see gains from just adding the P2R stuff that's a fact... have u done a baseline dyno??

[Supercharged]

I havent done a base line dyno as of yet. Was hoping to get one this weekend then start on my v1. then dyno again. then start v2. and see the power difference...

[02civicsi]

My vote is for V1, I just removed the resonator last weekend. I'm already runing a K&N drop-in filter in the unmodded stock intake box. I'm very tempted to attempt your V1 myself because unless I do try this the OEM resonator will never go back on my car.

[Supercharged]

Originally Posted by 02civicsi

My vote is for V1, I just removed the resonator last weekend. I'm already runing a K&N drop-in filter in the unmodded stock intake box. I'm very tempted to attempt your V1 myself because unless I do try this the OEM resonator will never go back on my car.

Basically what I wanted to do was just chop the front of it off (nearest to the foglight/or foglight slot) and sand the inside out like the upper airbox... to make the air move more smoothly... But again I would highly suggest doing the MAF mod aswell because I believe thats going to be 70-80% of the hp/tq gain and keep the afr nice... also get the P2R goodies they work for a fact...

[AXIS]

I like your idea of V1, its something i was actually thinkin of doin. Would the CRV airbox fit in our engine bay i've never seen one, just wondering if the box is bigger

[Supercharged]

The CRV airbox is kinda like the RSX airbox so no it wont fit in our car... It would be nice to find a larger box but I dont feel like searching and searching so Im just going to go with the stock box. Sanding and sanding and some more sanding... lol will give you a little more room in the airbox...

[Raven07Si]

Good Luck man, can't wait for the results!

[02civicsi]

What you want is the rubber tube that goes from the CRV intake box to the TB. The CRV tube is bigger so it has more volume.

[Supercharged]

^ ture it does has more volume but i dont think thats whats making his power...

[02civicsi]

I do believe it's an integral part of his intake.

[razasasin]

Originally Posted by Zeuceone

dont expect to much. the stock filter is very restrictive.

again, don't forget a drop-in amsoil or other high flow filter...