custom cold air.

twin_turbo_mk3

New Member
Feb 10, 2009
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okay i have read enough diy CAI over the net for mustang 5.0

This will be on a 1990 mustang with MAF

im curious on what do you guys think of this.


I have a edelbrock performer rpm II Intake


70mm throttle body with 70mm egr plate.

Now i want to make a CAI to match the system.

since 70mm is preaty close to 2.75 i guess if i cant find 70mm pipe ill use inches.

so im thinking

-from TB to MAF is 2.75" pipe (MAF is also 70mm)

-from MAF to Filter(on the fender) will be 3"


or should i use 4"? will it matter?

and what filter would you guys recomend? im thinking a K&N cone filter since they are like $50