Custom OEM Intake?

[Nsane1]

Well, I was looking at getting an intake but after debating it in my head I really like the design of the OEM one.... The fact that it sits right at the front of the car and COULD be a CAI.... The only problem w/ this is the fact that the grill is solid and the place where you get your intake air is sealed off from the outside.... The rubber on the hood makes the seal on the grill... So, I'm wondering if anyone has cut out this section of the top of their grill to get fresh outside air into the factory intake.... Seems like it would be worth a shot.... Don't know if anybody has ever looked at a Spoon Sports carbon fiber intake for a Civic, Integra, or S2000 but they are designed almost Identically to our stock intakes... If anyone has tried this please tell me all about it..... If you don't have a clue as to what I'm talking about tell me and I'll go snap some pics and post up.

On another note... I had a buddy that once removed the resonator from his civic's OEM intake and it made it sound much, much better... Not as loud as a metal aftermarket but much deeper and louder than stock.... If anyone has done this please tell me about it and give specific details. I've searched for these questions and haven't came up w/ anything.

 

[2000VRsex]

he removed the snorkal? and i thought of this too but iono I think theres too many bends n s***, but iono could work i suppose...

 

[ForceFed]

P5 Intakes are cheap tobuy..Just save yourself a headache and buy one.

 

[Nsane1]

Here are some pics so you can see what I'm talking about.

 

[jeg0024]

The end of the snorkle where it takes in air is totally cut off from the air that hits the front of the car and makes no since at all like you said. I had thought about cutting the grill up and a bunch of other things along the way but just ended up leaving that piece removed so you only have the air box and the upwards j-pipe looking thing infront of the box. I had no problems with excess dirt or water and it did give it a deeper sound. This is a quick and easy extra 1-2hp mod but why not just keep your eyes open in the FS section and pick up a great deal on an SRI or something from another user, thats what I did and I'll never go back to that crappy box again, not even with a K&N filter lol.

 

[Nsane1]

Just looking to keep that OEM look.... I don't know why really.... LOL
'

*edit, took off top section.... Pics. soon..

 

[2000VRsex]

maybe for POlice lol

 

[jeg0024]

The just remove the snorkle and drop in a K&N air filter in the box.

 

[Nsane1]

New pics.... upwards 90 and resonator removed....

 

[jeg0024]

Sound better? Are you running a stock paper filter?

 

[Nsane1]

The just remove the snorkle and drop in a K&N air filter in the box.

View attachment 129768

took the 90 and resonator off too

Sound better? Are you running a stock paper filter?

won't be able to get her out till tomorrow.... baby sleeping. As far as filter.... yes it's an OEM paper filter.... that will be changed tomorrow!!!

I guess I'm going to leave it like this until I can figure out a way to plug the hole in the 90 from where the resonator was.... Actually, I might just leave it like this... There wouldn't really be any gain worth cutting the grill out.... It just seems like it would be fun to try.... If I decide to go that route then I'll post up some pictures and will probably even through in some temp readings of how it is now in comparison to having the air from the grill. Glad these OEM intakes aren't designed like Honda's.... You have to take the bumper off to get the intakes off a Honda. This was 4 bolts and about 5 minutes.

 

[i12drivemyMP5]

Some dude here even attached some plastic elbows on the front of the box there & pointed them over to the hole in the metal to the side down in the area where the cai filter sits. Forgot his name. He'll post up if he sees this thread. Looks like the thing to do if leaving the stock box in there with all that extra stuff off. That way the opening isn't just pointing forward open to whatever is coming thru the radiator, it can get some cooler air from the fender well.

 

[Nomad]

yep, that's the standard intake. pics not necessary.

The 90* elbow and resonator section is the part that is actually important. It's a "Helmholtz resonator" that helps give more torque along the powerband. This is the low end loss of torque that people notice and is evident on dynos when using aftermarket intakes. Aftermarket intakes increase horsepower up high in the powerband when the engine is gulping up as much air as it can. They are designed for driving in the top rpms and on a race course you'll seldom use the lower band anyhow.

On the street though, you want all the torque you can get as it's hard to spend all your time at 4500 + rpm with traffic etc.
So yes, they decrease sound, but also decrease torque output in the lower to mid powerband. If you are going to keep the box, keep the Helmholtz.
If you just like loud stuff then go crazy.

"Helmholtz resonators are air resonance cavity devices. Generically, Helmholtz resonators can be specified to meet various design goals such as improving the engine's torque output or as a noise attenuation device.

The Helmholtz resonators that we design for use on our intake systems are not designed as silencers nor designed as mufflers, they are specifically tuned to boost the engine's torque output at mid-range RPMs. Available on specific applications."

Also:
"An intake system for an internal-combustion engine has an intake pipe with a throttle device, an air flow or air mass sensor and a filter device. In order to improve the quality of the measuring signal of the air flow or air mass sensor and to prevent subsequent signal corrections, a Helmholtz resonator is coupled to the intake pipe in the proximity of the air flow or air mass sensor which is tuned to the resonance frequency occurring during the operation of the internal-combustion engine. By coupling the Helmholtz resonator in the area of the air flow or air mass sensor, fluctuations of the air flow are smoothed in this area."
http://www.freepatentsonline.com/5957102.html