Hey, Listen! (K&N Intake Owners)

[ZyroXZ2]

I did it: I finally found a bigger filter that fits! (sort of)









As you can see, the filter does actually fit, but it touches the protruding headlight mount point and the hood latch cable (though that's entirely inconsequential). I will be keeping my eye on it for wear, and will likely keep rotating the filter a tad so that if the wear IS bad, it doesn't keep wearing on the same spot. Spinning the filter is easy (just loosen the worm clamp to turn the filter) and doesn't bother me if it means I finally got a bigger filter on this sucker!

Benefits? Probably can't tell, yet, if anything with power. But more importantly: it addresses the concern some people have about using an oiled filter that close to the turbo. Now that it's a dry filter, this pretty much makes it the perfect combination: you have a heatshield with easy to insulate surfaces to further slow heat soak; and now you have a high flow, dry filter!

Yes, I drove it like that with one filter swapped because the second one is now on order now that I know it fits. It kind of looks like this though, lol

Oh, and of course, the filter is an Injen X-1045-BB When I do the second one, I'll sit the two filters side-by-side so you can compare. It's probably not getting me any additional airflow unless I'm at full throttle just pinning 6K RPM or something, but I feel better knowing I finished my quest.

 

[app_master]

Great work. Do you have a full parts list in another thread?

 

[ZyroXZ2]

Great work. Do you have a full parts list in another thread?

Parts list? For what?

 

[Pnbnationsbest]

Parts list? For what?

I think he wants a list for your insulation strip on the brace, filter and insulation tape...?

 

[app_master]

Parts list? For what?

Maybe I should have asked for your build thread instead or where you may have discussed your setup in more depth? ... seems you have put this together yourself or modded an off the shelf package. Other than the filter pods which you mention will fit ok ... what intake pipes, heat shields (and surround), clamps, bolt, mounts, etc?

 

[SteveCo]

... seems you have put this together yourself or modded an off the shelf package

Yes, I though he'd made that clear in the title where he states this is intended for 'K&N Intake Owners'.

 

[ZyroXZ2]

Maybe I should have asked for your build thread instead or where you may have discussed your setup in more depth? ... seems you have put this together yourself or modded an off the shelf package. Other than the filter pods which you mention will fit ok ... what intake pipes, heat shields (and surround), clamps, bolt, mounts, etc?

This isn't DIY, this is a K&N Typhoon intake where I wrapped some insulation on the outside of the box to slow heat soak and slapped some weather stripping on it to extend its height to seal with the hood. I don't have part numbers cuz I just bought this stuff willy nilly from having done similar things in the past. All that was left was to address the filters that I felt were too small, but as it turns out, there really isn't anything bigger that fits for a variety of different reasons, but I finally found something that allows me to buckle everything up even if having the filter "leaning" against the headlight mount bracket is kind of a bad idea

 

[app_master]

Cheers for clearing that up guys. I guess it is part-DIY (unless you paid someone to install it for you?) I'm looking to go with the BMS intake kit even though there is even probably less space for the alternative/larger "dry" cone filter option you've shared.

 

[ZyroXZ2]

Both filters are now swapped! Sure, now that you can see pics, you'll see it's not really a HUGE jump in size, but it's a big enough bump that it definitely looks more aggressive under the hood! So far, I've noticed some odd throttle behavior because the ECU is likely re-learning. I may do a full battery-pull power cycle to reset the ECU, though. The throttle response seems sharper (potentially because the filters are larger which may be equating to a little more low-end torque), though, but haven't done any full throttle runs, yet. If anything, I would expect a possible loss of power up top or even around 6K RPMs. At the same time, the K&N has run for 7k miles, and I used to have to clean my old K&N intake filter on my old car every 10k miles because it would start losing power.

 

[cornpop1]

Correct me if I am wrong, but wouldn't you lose bottom end and gain top end when increasing the volume of the filter?

 

[eflyguy]

No, more flow from filters will not cause performance loss at the low end.

 

[ZyroXZ2]

Correct me if I am wrong, but wouldn't you lose bottom end and gain top end when increasing the volume of the filter?

Sorry, I presumed people knew: the Injen filter is a DRY filter. K&N use OILED filters. Generally speaking, oiled filters flow more than dry filters. Though I have not had a chance for full butt dyno testing, my presumption is that because of the increased volume and greater surface area, initial air draw is improved due to more static air available. However, at far higher RPM levels, I do not know if the increased volume offsets the potentially lower airflow CFM of a dry filter vs an oiled filter. Granted, without actually specifically flow-testing both of these filters against each other on the same application, I COULD have an overall gain, or I COULD have an overall loss. It's really up in the air.

All I can feel right now is better throttle response, but it's very minute. Most people would just say "no difference". It's also quite possible this is because as mentioned above, the K&N filters already have 7k miles on them. This may just be because these filters are brand new and don't have a layer of restrictive dust/dirt on them, yet. I have yet to find the time (and space) to do any WOT runs to see if I can feel anything. I also think it would behoove me to do a power cycle to reset the ECU since my idle seems mildly "rougher" and my shift points have slightly changed all on their own. The flow of air is clearly different and causing the ECU to make changes. Overall better or worse I still can't tell for sure.

EDIT: Fixed for clarity.

 

[ZyroXZ2]

After more extended driving and some WOT runs, I can say the following:

- Low-end and midrange torque seem to have improved
- Top-end power seems identical

This could all be a result of some aforementioned factors: the Injen dry filters are bigger with more surface area, lending to low speed, low RPM improvement in throttle response/torque. But since the K&N oil filters likely flow better, at the top end the Injen's are simply a match.

This could also be result of the fact that the K&N filters have 7k miles on them and may have a layer of dirt/dust restricting airflow.

All in all, this is one of those "do it if you want to" kind of things. I feel like the best gain was the aesthetics and dry filter media.

 

[Pnbnationsbest]

@ZyroXZ2 what type of insulation did you wrap your box in? I went to Lowes the other day looking for some insulation tape and they had none.....

I may look at the other usual suspects like ACE and HD too, but I happened to be at BB and Lowes is right next door.

 

[ZyroXZ2]

@ZyroXZ2 what type of insulation did you wrap your box in? I went to Lowes the other day looking for some insulation tape and they had none.....

I may look at the other usual suspects like ACE and HD too, but I happened to be at BB and Lowes is right next door.

Erhm, just the regular cheapo bubble wrap with aluminum foil glued on top kind, lol

I bought it at Home Depot, but it's not anything special and you can order it online and I've seen it at every hardware store ever