Airbox mod

[radar]

I had a thought on increasing airflow without sacrificing air quality, if I could get another stock airbox and tee it into the the exisiting one before the MAF sensor, this should provide twice the air as I am getting now. May be tight to fit it in but likely possible, thoughts?

 

radar

[GrimGreg]

You really won't increase much of anything that way. The size of the MAF opening is all the larger the intake opening needs to be. So as long as your airbox has roughly 7 sqin of inlet opening(s) you are good.

[radar]

True the opening is 7 Sq in, what I am hoping to achieve is a larger filter surface, by doubling the size of the air box I double the air filter surface, I think this is the area that is most restricting airflow.

[Mr. Pickles]

Rather than worrying about 2 boxes, I'd suggest focusing more on clean cool air getting to the box you have along with a filter replacement. You could also follow the instructions (search here and MrJim.net) on replacing the stock box and going to a K&N cone filter for your intake. If you're THAT worried about the volume but want to keep a box, maybe you could look for or fab a larger box in general. That's going to be a bit of work, of course...

 

crap, posted then realized you have a 99. Still, much of the above carries over.

Edited November 1, 2006 by Mr. Pickles

[radar]

The thing I am trying to maintain is the clean air the stock filter gives, I have done some reading on the aftermarket filters and have concerns. Agreed they allow more air to flow but they are allowing more dirt to flow with it, the stock filter does a very good job on filtration, just a bit too restrictive. Good point on another airbox, doesn't have to be a nissan one, as long as I can tee them together, I am sure I could find one pretty cheap at the wreckers.