Poor man's Mugen Air box/Comptech Ice box

[bioevolve]

I have some time today after the Horn and Shifter Cable bushings, so I started this cheap mod poor man's version. Just wanted to see if there was a difference from the Fijuta SRI.
Throttle respond is way better than Fujita SRI, but power out is unknown cuz I have no access to a dyno. Would someone please try this and dyno it.
cut the veins out of the stock box with wire cutters and the sensor guides to the TB hose:



Sand the left overs with dremel and a sanding drum, high speed will melt the plastic off and the lowest will kinda sand, but I couldn't wait (high speed was set lol):




Now the labor part, hand sanding:

[bioevolve]

Sanded some more 100,400,600,800,1000, I'm tired of sanding, others should have more patients and do a better job. I added a KI75 Tornado to it (I know some say they don't work, but I have used it a on 2005 Toyota Sienna with a K&N filter (stock 321 miles to a tank, with K&N and Tornado 343 miles to a tank) Those numbers are an average of 5 tank fulls each.)
I am using the stock filter until the K&N filter comes in.




Drilled the drain to 1/4" for faster drain of water and drilled two 1/4" holes (as air by-pass feeds if gotten submerged, they are right next to the filter sides):

[bioevolve]

Ok, now the bottom part.
Remove the resonator, cut the pipe leading to the resonator box then sand:




Put some silicone at the connection because there is nothing else holding that very bottom peice except the upper parts of that piping.

Remove this bracket and/or the battery tray, it will make it alot easier to install it.

Bottom part finished, now back to the top:

[bioevolve]

Connect lower part to upper part:

Put the Valve cover pipe back on, with the TB by-pass mod still in place, sensor installed, all screws & crap and you're finished:


Beats a $400-$800 name brand air box lol.
Cost (if you already have the tools) $8 for sand papers, $45 K&N filter, $50 Tornado KI75, $0 Silicone (already had it). Total $103 or $53 without the Tornado KI75, your choice, but still way cheaper!


Just test drove it after disconnecting the battery to reset the ecu.
Throttle respose is way better than SRI (like was said up top), Vtech change over isn't as noticeable than with the SRI (probably cuz I'm not hearing it), I can hear the exhaust now lol, quiet like stock except a light hiss of air sucking in and probably a whisle from the drain & the two other by-pass holes. I can hear my valves hahaha.
When K&N filter comes in, I will post it.

Maybe fiberglassing the inside of the air box and making it a bowl like shape would be better like Mugen's original. I think this version points to the front of the car, still inside the engine bay.

[ThaJazz]

Nice DIY. +rep for being daring!

[ChinoiSI]

haha thats pretty cool.

[206si]

gains?

[Tastycakes]

+1 lol, nice job

Isn't the vorando tornado thing supposed to go after the air filter so it twists and twirlies the air going into the engine?

[1stk20z3]

nice job man i think ill try it even tho i have a AEM CAI maybe wen i get bored!

[bioevolve]

Originally Posted by Tastycakes

+1 lol, nice job

Isn't the vorando tornado thing supposed to go after the air filter so it twists and twirlies the air going into the engine?

Yeah, but that is the only place it will fit. Even thou they say this KI75 is the right one for the car, it's even supposed to fit the Odyssey but doesn't fit any where else on that car either.

[PoLiShPrInCe]

that is a heck of an idea... curious to see some numbers on this thing

[undrgnd]

A tornado upstream of the air filter? Oh yea, it will really make a difference there. Probably 10 times as much as when it's downstream (10 X 0 = 0).

[asndragonboii]

What is that tornado supposed to do anyway?

[Black_civic_Si]

great job usdm bling.

[PeterC.]

That's what I call a DIY! Awesome +rep

[BubzSI]

I might try this, this weekend...


feel any gain?

[Englishe30]

i'm curious now....

[youchasedafterme]

The best self-done air intake I have seen yet.

[bioevolve]

Originally Posted by undrgnd

A tornado upstream of the air filter? Oh yea, it will really make a difference there. Probably 10 times as much as when it's downstream (10 X 0 = 0).

It's a test, only place it would fit even thou they say it's the right one for the car.

Originally Posted by asndragonboii

What is that tornado supposed to do anyway?

Get more MPG.

[BubzSI]

I cant wait to do this now.. =)