the ones I said will give u the most gain, cuz they designed the intake with the right size piping.
K&N did it all wrong, Version I and Version II.
and forget about the other ones like Weapon-R garbage.
Well, bang for buck Stock intake is probably the best. I had K&N I and II, Mazdaspeed, and now I'm back to stock. the more u learn about the car, the more u will know what u should do/shouldn't do.
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