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Have a new to me '13. 44,000 miles CPO. Was considering the K&N drop in. I had been using Wix in past vehicles. This being a higher compression engine, will this be beneficial?
Scientific proof is always better than perception. I go with oil lab results of silica contamination.I've performed oil samples (on other vehicles) with and without K&N filters and I'll stick to without. Not a HUGE difference but the K&N always allowed more silicon (dirt) and resulted in elevated wear levels. Not outside of reasonable levels, but I just don't see enough of an advantage to bother when even slightly more internal wear is likely.