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-   991 GT3, GT3RS, GT2RS and 911R (https://rennlist.com/forums/991-gt3-gt3rs-gt2rs-and-911r-229/)
-   -   991 RS BMC air filter original equipment (https://rennlist.com/forums/991-gt3-gt3rs-gt2rs-and-911r/869892-991-rs-bmc-air-filter-original-equipment.html)

Metzeger 04-21-2015 02:25 PM

991 RS BMC air filter original equipment
 
From Suncoast:

http://www.suncoastparts.com/product...91GT3EnginePER

Factory replacement air intake filters for GT3 RS models. The factory uses these high flow BMC air filters as standard equipment, a custom designed filter with original Porsche part number and Porsche stamp on the side.


https://cimg0.ibsrv.net/gimg/rennlis...87543c92ff.jpg

shapiroeric 04-21-2015 02:27 PM

OK...

Metzeger 04-21-2015 02:32 PM

you can install in a regular GT3...a better sound option ;)
the original 991 GT3 air filter:

https://cimg2.ibsrv.net/gimg/rennlis...e1a3ba6d6e.jpg

shapiroeric 04-21-2015 02:37 PM


Originally Posted by Metzeger (Post 12222387)
you can install in a regular GT3...a better sound option ;)
the original 991 GT3 air filter:
[/IMG]

:cheers: thanks for the info....I was trolling their website this morning and wondering about that....

karimgt3 04-21-2015 02:47 PM


Originally Posted by Metzeger (Post 12222387)
you can install in a regular GT3...a better sound option ;)
the original 991 GT3 air filter:

https://cimg2.ibsrv.net/gimg/rennlis...e1a3ba6d6e.jpg

Why would you do that? :confused:

Nizer 04-21-2015 04:52 PM

$540 MSRP. Beauty. And they print that with a straight face.

rockitman 04-21-2015 04:57 PM

$360 at suncoast, $195 from bcc direct...
http://us.bmcairfilters.com/cart.aspx?lng=11

nlpamg 04-21-2015 05:11 PM

pretty cool. I might as well do this if I end up going with a side muffler bypass.


Originally Posted by rockitman (Post 12222839)
$360 at suncoast, $195 from bcc direct...
http://us.bmcairfilters.com/cart.aspx?lng=11

great find. thanks.


Originally Posted by Nizer (Post 12222822)
$540 MSRP. Beauty. And they print that with a straight face.

the premium for a Porsche box and part no.

Mech33 04-21-2015 06:31 PM


Originally Posted by rockitman (Post 12222839)
$360 at suncoast, $195 from bcc direct...

Fixed link: http://us.bmcairfilters.com/car-filt..._d1107_11.aspx

Bartron 04-21-2015 07:14 PM

If you increase airflow through the engine with air filter and exhaust, don't you need to adjust the FI to maintain proper Air/Fuel ratios so you don't run lean/rich?

Or is this simply less restrictive and that's it, with no real performance gain.

Ma991 04-21-2015 09:13 PM

Amazon has it for $180 shipped or for $150 shipped from another vendor:

Mech33 04-21-2015 09:51 PM


Originally Posted by Bartron (Post 12223293)
If you increase airflow through the engine with air filter and exhaust, don't you need to adjust the FI to maintain proper Air/Fuel ratios so you don't run lean/rich?

Or is this simply less restrictive and that's it, with no real performance gain.

There is surely no performance gain. :)

IMO, always better to just replace the OEM paper filter more often than put an oiled filter in for longer...

Bartron 04-21-2015 09:55 PM


Originally Posted by Mech33 (Post 12223612)
There is surely no performance gain. :)

IMO, always better to just replace the OEM paper filter more often than put an oiled filter in for longer...

That's been my experience with motorcycles as well...

ipse dixit 04-21-2015 10:23 PM

At least on the 991 C2/C4, the K&M would foul up the MAF sensors.

Not sure if this is the case with the GT3 ... but I'm not really all that curious to find out.

Petevb 04-21-2015 10:26 PM


Originally Posted by Bartron (Post 12223293)
If you increase airflow through the engine with air filter and exhaust, don't you need to adjust the FI to maintain proper Air/Fuel ratios so you don't run lean/rich?

Or is this simply less restrictive and that's it, with no real performance gain.

The engine will be able to measure and adapt to the increased flow within a certain range. The ram air on the intake or changing altitude works the same from the engine's point of view- in the end it all comes down to pressure (or pressure drop).

My money would be on this filter unlocking a little (very little) power when clean/ fresh- the factory doesn't change parts like this for kicks. It'd be interesting to see data.


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