Well I am one of the k&n guys.....So what air filter do you suggest?
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Well that is a tricky question . I had a k&n for a long time, but always ran a foam pre filter. Wix isn’t really into the aftermarket high flow filter business. More so OEM quality replacements. So, I am currently working on utilizing a Wix 49896 air filter. We built this filter for Ford, specific to the supercharged 2011 GT500 and Bullet Mustang. Problem is it’s hard for me to “recommend” this filter since it has a 4” inlet, where most of us have a 3” intake pipe/maf. So a bell will be needed. Secondly, it is a fairly pricy filter for a disposable one. I get them for free, so it makes sense for me. If you know someone with a Wix fleet discount pricing, it might be worth a shot. But it’s made with our high efficiency media(99.95% efficient) and should have plenty of flow for most TR.
The best thing to tell you if you run a K&n or similar washable filter is to make sure you keep it charged properly with oil.
When we flow test these air filters for comparison in either a single pass or multi pass test, the results are almost laughable. 20 micron particles blow right thru even when properly oiled. And if they are not oiled it’s a joke. I like to say, “they basically stop birds, bees, and dragon flys”. But see, they do what K&N claim for them to do. Free up horsepower, improve throttle response and flow more air. Which is what everyone here is after. If you have a off road piece of equipment or a diesel truck you run on a job site or farm, I’d tell you to throw it in the garbage before you ruin your engine. But most people won’t have any problems under normal conditions bc they won’t keep a vehicle long enough for cylinder wear to become a problem.
Same goes for running a Wix racing oil filter. I would bet that anyone running a racing oil filter will push a head gasket due to detonation, long before they got to worry about bearing wear due to a racing oil filter.
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