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i had an aem and even though it might be a quiet one very minimal hp gain i would go with the F2 cai half an inch bigger then aem and i heard there in the works for a 3 incher....thats making good hp gains
 

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I bet the volant is somewhat quiet, it's totally enclosed in the engine compartment, and i hear everyone that has one likes it. In fact i'm gonna try to get ahold of one tomorrow.
 

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This is just what I have heard.

AEM/Injen - Loudest
Volant - Second Loudest

They are both also the most HP gained.
 

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I've been hearing the Pipercross are making good power. Check out McNews for the whole line. They're a little pricey, but then again, you get what you pay for.
 

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Just installed AEM SRI.

LOVE IT.
 
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