Unintended positive side-effect of K&N drop in - Mustang Evolution

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Old 09-16-2013, 09:38 PM   #1
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Location: Portage MI
Region: Michigan
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Unintended positive side-effect of K&N drop in

I have a Roush axle-back on my 2013 V6. Often between gears when I push the clutch, there would be this loud pop sound. I installed the K&N drop in today and noticed there was no more popping. All the way home from work I was trying hard to get it to pop, and I only got it to do it once, and even that was barely noticable. Before the K&N, it was very loud and pretty annoying.

I just went for another drive down the street and no popping. I have no idea why the filter would effect this, but I'm so glad I got the K&N for this reason alone. So if anyone else has this setup with the popping problem, try the K&N, maybe it will have the same effect for you. I'm going to keep testing throughout the week, but so far so good!

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Old 09-16-2013, 10:59 PM   #2

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The pop noise sounds like the exhaust was sucking in some cold air during a shift, or during you being off the right pedal. This cold air would mix with the warm to hot exhaust and cause the "pop" sound, usually it was more of a "pop, pop, pop" though.
It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.
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