Piston Slap: An Air Filtration Fallacy?

Josh writes: Dear Sajeev, I can remember many times where I’d hear, in passing, someone say that K&Ns and other performance air filters were actually bad for my car… daily or otherwise. Their argument was always that the performance filters allowed that 1 percent of dirt to get through. This argument came up again as […]

The post Piston Slap: An Air Filtration Fallacy? appeared first on The Truth About Cars.

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Author: Sajeev Mehta

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