Drop in filter & track duty performance
 

Anyone used any aftermarket drop in air filters at the track (not AutoX'ing, since the events are short enough to not overheat)?

Last time I used an oil treated drop in air filter at the track, the excessive heat from day's track duty heated the oil on the filter to the point that it splattered oil at my Air Mass Meter, contaminating it and ending my day early (it wasn't my FRS).

So curious if anyone tried aftermarket oil treated air filters with sucess at the track?

Number of vendors been posting substantial gains (true or false remains to be seen), but maybe worth the try for the few $ they cost? Just don't want it to cost me a few hundred $$$ replacing my Air Mass Meter!

tracking in phx with a perrin foam oil filter = no issues

what you experienced happens when there is too much oil on the media
it takes very little oil. I blot mine up with microfiber after i clean and respray oil

I hadn't even oil mine, it was brand spanking new...

Good to hear you didn't have any issues. Hopefully others report the same. Any experience with WORKS (claiming high gains...?)?

Also my car had a bit different layout from FRS; the filter was closer to the AMM.

Our WORKS oiled filter are used on EVO track cars without any issues.

As mentioned above, you probably had to much oil thats why it splattered

Curious on the FRS layout/feedback, as different cars will have different proximity between their filters and their AMM's.

As mentioned, I hadn't even attempted to oil it.... it was the way it came straight from factory.

I'm very curious and interested to learn more about the WORKS, be very intertested to hear any members feedback tracking their cars.

Using the hks drop in. no problem.

possible it came with more oil than was ideal...happens

Possible.... also heard from my mechanic that it was a "known" issue with my model car (due to the proximity of filter to AMM). Hopefully it's a non issue with FRS.

Damn. I should have used microfiber as well. I just blotted my Perrin Foam filter out with some paper towels :(.

In my experience, a clean paper filter is better than an oiled up reused filter. I ditched the K&N that came with my autocross car and replaced in with a $5 drop in.

YMMV