x2delight

iam gonna go pick up a K&N Filter but i cant find the specific part number i should get...

all i hear is info on the S4... i searched as well...

majority is s4 info....

i keep getting the run around as like...

2.5 ID

or 2.75 ID

whats the model/part number?

thanks alot

boosted1205

iTrader: (9)

The S5 inlet is 3" . Get a silicone 3" to 3" K&N filter. You don't want to go too much smaller than a 3" K&N opening since you want to kep transition smooth as possible.

NZConvertible

The S5 AFM neck is not 3", it's 2.5".

x2delight

2 different answers.... this is what i meant.. anyone fore on what to get?

i just need the part number if possible..

boosted1205

iTrader: (9)

You're probably getting the outside and inside measurement mixed up. The outside is about 3".
NZ?

NZConvertible

Don't be lazy. Go take the airbox out and measure the AFM neck. You will find it is ~2.5" OD. Also measure the length of the space you have to work with. Then go to the K&N website and look on their pod filter application tables. You will find many filters that will meet your needs. Pick the one you like the most, remembering that bigger is always better but it is also more expensive. Write down the part number and then go order your filter. It's all very easy.

boosted1205

iTrader: (9)

LOL...I was just thinking "Hmm...would be easier for him to just measure himself ."

TakumiJr

Since this question is already up so im goin to save searching and ask how about the S4 intake size?? Since the thread starter says he found info. on the s4 intake.

Thanx

NZConvertible

The S4 AFM needs an adaptor, so the filter neck has to match the size of the adaptor. Most are ~3" since any less than that would partially block the AFM inlet.

TakumiJr

Ok thanx. I have a adapter and my filter is dirty and old and need to change it. So I was wondering what the size so i can go buy a new one.