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Great question, I'm not sure about those other leaking experiences. I've only used Purolator's & I'd personally go with a Purolator over a Wix but there's word on here that there's a shifting & more WIX's are now essentially a Purolator. Just go check a couple out like the One & Boss line to see what you think. They're great because they're giving out the actual efficiencies for those filters. No other company is really doing that. Otherwise, There are other excellent quality filters like the Premium Guard made ones & if you have an Oreilly's near you they're the same as their Microgards. You preferably want their extended line but I've see a few great looking standard one's too. Go to your local parts store & ask if you can look at some part numbers for you application. I've done that several times & everytime the guys or gal are super cool about it. What brands do you like?