K&N Air filter

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K&N Air filter Empty K&N Air filter

Post by Ted FM 13 on Sat Nov 10, 2018 1:24 pm

what are you using for an air filter on a GM 3.8L SC V-6?  here is mine; don't know the K&N part # but the intake is 3.5".  My mechanic thinks a bigger one might be possible and certainly desirable.   any suggestions?  Alternatively, where can I find the design air flow that K&N might use to recommend one?  The GM forum comes to mind. any place else you'd try?

https://i.servimg.com/u/f47/19/37/96/09/3_5_in10.jpg
Ted FM 13
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Post by comled on Thu Dec 13, 2018 8:18 pm

On naturally aspirated #27 I chose a K&N (KNN-RU-4250) that is a bit longer than the one in your photo, Ted. Haven't had a chance to run it yet so I can't comment on performance, but that part number may be of use to you.

-Dave

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Post by Ted FM 13 on Fri Dec 14, 2018 12:32 am

thanks Dave, I'll check it out.
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