K&N
Who has replaced their stock air filter with a K&N? Are they really better? Improve performance, gas mileage, etc.
Forum Discussion
d1h wrote:
Who has replaced their stock air filter with a K&N? Are they really better? Improve performance, gas mileage, etc.
I did on my 2005 Cummins but the the filters and intakes on the newer trucks flow and last much better than the older ones.
