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· Premium Member
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50,838 Posts
Double check your stock one with an ID measurement for it to work without a tune.

I'd guess the smallest one listed there, but you should measure yours to be sure.
 

· FF Affiliate
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33,177 Posts
Not only size changes the maf readings , the depth of the sensor , turns before or after the MAF , length of the MAF , if you change from stock MAF housing you will need to tune it

Tom
 
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