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Im sorry this may be the dumbest question ever. But i've recently started working on my focus and i installed a cold air intake. Now what is the difference b/w my cold air and short air intake? Performance wise.
 

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cold air is better. it's late though and i dont feel like typing : )
 

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GreyRice WOoT!
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CAI gives better gains, but water is bad....
SRI is cheaper gives a few hp gain, and no worries on water
 

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watch out for puddles!
 

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you don't have to watch out for puddles with a CAI, and if you're worried you can get a dryfilter from companies like K&N pre-treated to repel water (they have dust ones too) or buy an intake from AEM with a bypass valve that works on a pressure type system.

The only time you would flood your engine is by submerging your filter in water (say a REALLY deep puddle), otherwise your splash guards on your car will prevent most water from even dreaming of coming into contact with your filter. (Guess who doesn't have a splash guard to protect his CAI - Me!)

Unless you have serious flood issues in your area, or live in a desert climate, CAI is probably the best way to go, as it gathers cold air from the ground area, rather than warmer air (depending on where you live - I don't want any arguments!) from your engine bay.
 

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If you live in a wet or humid area, go with the short-ram. If it's dry and hot, go with cold air. From what I hear, hydrolocking sucks.
 
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