Whisper lid question...
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They don't come with a filter. But you can use any you desire. I use a paper stock-type filter.
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Originally Posted by CALL911
How much if any HP gain would I see by going with an aftermarket filter like a K&N in place of the stock paper one?
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Originally Posted by CALL911
How much if any HP gain would I see by going with an aftermarket filter like a K&N in place of the stock paper one?
I have heard of people losing HP with a K&N over a Stock paper one. My car came with a K&N when I bought it, I will be changing it back to a paper filter when I install my lid and SSRA next weekend. It's not worth the $50 price tag IMO.