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Old 02-03-2009, 02:03 PM   #1
beaviscih
Scooby Specialist
 
Member#: 123362
Join Date: Aug 2006
Chapter/Region: MWSOC
Location: Dorothy's House
Vehicle:
'93 Crapcan, '98L
Sold, '04 STi - Sold

Default Apexi CAI Users Chime In

I reviewed the installation diagram for my Apexi CAI and noticed they instruct you to install the metal restrictor pill between the IC and BPV. Can someone explain why this is needed and did you install this with your intake? I haven't measured the pill opening but looks to be half the ID of the stock BPV ID.
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