Well, every car and setup is different, not to mention the individual needs of each driver.
Fortunately for me my CAI setup yields substantial and noticable performance improvements on my engine throughout it's entire power band with no ill effects, the CAI's positive effects have become more and more evident with every power/tuning modification.
On my engine, the stock box with or without a K&N drop in filter did seem to work alright, that is until I installed my CAI, I A/B'd the setup's many times before concluding that without a doubt, I would never, ever, put the stock air box back on my car in any way, shape or form.
You gotta go with what feels right for you and your car.
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Youth ages, immaturity is out grown, ignorance can be educated and drunkenness sobered.....But stupid, lasts forever.
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