Anyone running a K&N 33-5065 air filter or an aFe 30-10275 (Magnum Flow) with a L5P Duramax? I've got 67K miles on my original and I'm starting to see P140B codes (it is dirty!).
Any preference between the K&N vs. aFe products?
Enthusiast
L5P with K&N air filter
Anyone running a K&N 33-5065 air filter or an aFe 30-10275 (Magnum Flow) with a L5P Duramax? I've got 67K miles on my original and I'm starting to see P140B codes (it is dirty!).
Any preference between the K&N vs. aFe products?
Last edited by chessy56; 09-10-2018 at 17:33. Reason: Added 2nd filter option for L5P
"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, ~440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).
'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 120K miles.
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