2006 mazda 3 cold air intake/upgrade questions?

chuy_mck92

New member
I've been thinking about putting a cai in my car but is it really worth it if its only giving me a max of maybe of 8hp? ( not sure if thats 100% true...but its what i've read)

and changing spark plugs, any brand that i should use? im pretty sure the previous owner didn't change them at all. the millage is at 68,222
what about a timing chip?

basically what I'm trying to do is to get a few extra mpg and maybe a little extra horse power.
i do regular oil changes. im due for one actually.
any other helpful upgrades that i should know about?
 
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