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I've searched and read everything regarding the air box mod and I plan on doing the mod tomorrow, but before I do it I was wondering if fuel efficiency is at all effected by gutting the air box?

Also, can I have some final opinions on whether to follow the how-to completely and take everything out or if I should leave the tuba or any other parts in because I'd read mixed reviews on what should and shouldn't be taken out while doing the air box mod.
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So how did that air box mod go? Do you really care now about losing a few drops of gas? I think i know the answer to that...

Technically, yes, you do lose gas (a SMALLLL amount) honestly who cares? . Its sounds deeper, louder than stock, you can argue it gives you a lil HP gain, (i dont think it does IMO) and it draws attention (which is probably why you did it in the first place)

for the person that wants to do this mod and not cough up the couple hundred for a quality CAI will probably become heavy footed and act like they actually have one. that accounts for 98% of the extra gas loss.

Anyone disagree?
 

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I am interested in this as well as I did the Mod 2-3 weeks ago. Also can you turn the Tuba downwards? would that catch cooler air?
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Not really. If you don't have fogs than drill slot the panel. That would allow the outside air to directly hit the filter. It will also make it sound louder. Its free and might get u an extra hp MAYBE. People aren't doing this mod for gains or cooler air, their doing it for the sound. Just do the mod the way its diagram'd out. Cooler air comes with the CAI. AEM gets the most gain for the money I've been told but I always liked injen.
 

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Do you have an Injen or AEM CAI on your car? Also, no opinion on the CPE to avoid CEL problems and from what I've read, the most gains in both HP and torque?
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I went with injen. Its been said you do get a slightly better gain with aem but a member got a cel. I've had the injen for almost 3 months and never got a cel. The cp-e will give you the most gain but its not cheap.
 

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Order from Donny @ therpmstore. His prices are great and he's great to deal with. If this is just a start (mod-wise) it would be a good idea to develop a relationship with him good luck!
 
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