Additionally, make sure that the “snorkel” is firmly attached to the air filter housing. There are some who think that its’ sole purpose is for navigating water hazards, but it is primarily meant to raise the air intake point into cleaner air well above the the cloud of dust created by the rear wheels. Also, effective when trailing behind other vehicles on dirt roads.
Patrick 
Ex-Jeep Wrangler
Current 1989 Westfalia

> On Nov 16, 2020, at 11:34 PM, Karl Mullendore <tdiguru@westyventures.com> wrote:
> 
> K&N is a horrible thing to do to your engine if you drive in any amount of
> fine dust. It WILL pass through the filter and cause premature wear to the
> cylinders and rings. Anyone here running one: pull the intake boot off the
> throttle body and look inside - what do you see? These filters only offer
> a tiny amount of 'better' flow when clean, because the element pores are
> larger - which doesn't trap fine silt as well until...it begins clogging
> up! A quality paper filter far exceeds any advantage that the K&N claims
> to have. Is Jim Davis here? I recall a point in Death Valley Syncro Safari
> where he was experiencing running problems and had the air intake
> removed...you guessed it, there was a lot of dust inside the boot!
> The same applies to the ridiculous reusable cone filters many install on
> conversions, directly into the dust swirl of the engine compartment.
> Install a proper airbox w/ paper filter and snorkel to the top of the D
> pillar, the new engine will thank you.
> Karl