well, i have a 94 gsr.
right now everything is stock, im putting some suspension on this weekend.
some guy want to have my stock intake. and he willing to give me his AEM shortram intake and his cold air intake. (only one of them, but i get to pick)
should i leave the stock one on ? or should i trade with him ? well, it's still raining a lot. so im not sure i want a cold air one on.

is it a good deal to trade with him ??

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if i dont trade with him, is it a good idea to leave my stock intake "open air box" ?
or leave it as it is ?

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you know the header cover of the gsr. (i have the stock header)
should i leave the header cover on ? or take off the header cover ??
let me know thanks.

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also this dont belong in here, but i really want to know.
i know people lose a lot gas mileage because of the air presure on the tires. (sry cant spell)
i have gsr fat fives , tires size ( 195/55/15 )
whats the correct tire presure on it ???
does different size of tires have different correct air presure ?

if im going to buy a set of rims..

going to be . 205/45/16
205/50/15
or
195/50/15

which one is the best traction, or save more gas, or whats the differents thanks !!