Celica Forums General Discussion Exterior K & N or TRD air filter? better HP or MPG?

which is better? i need something with beter hp and fuel economy.i'm ignorant so any help would be much appreciated. they cost about the same so i gotta know.thanks. by the way how much HP/fuel economy can you really get from just a filter??

i believe they are about the same in every aspect! they both do your car good with the least amount of problems! i myself was thinking of getting the k&n drop in:)

I have heard that K&N and TRD filters are identical. They are both made from several cotton layers Go to www.knfilters.com. [knfilters.com.] Great site a lot if useful info is what you find there. I do have the K&N filter installed. Takes only 10 min to replace the stock air filter.

The engine is now more responsive both in the low and high RPM band. Sound is little more ruffer and deeper. Definitely noticeable. I truly do recommend it. As for the fuel economy, cant tell, have not checked that.

BTW. Take a look at this video I uploaded to the gallery video section. https://celicahobby.com/gal3/albums/video/Air_filters.avi

It shows how much AIR different filters let through.

1. No filter. (wach the ball in the plastic pipe)
2. K&N cotton fiter.
3. Foam filter.
4. Paper filter. (stock)

Hope it heples

Moved to Custom Mods & Performance Tuning Tips & Reviews

I betcha'didnt know... TRD Air filter is made by K&N

wow.. the foam and the paper seem to realy suck at letting air pass through.. but the K&N is almost the the same as having no filter at all... that IS good!!!

intresting video - this was an excellent post!!