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Subaru Restrictor Pill Information

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02-03

WRX

.047

 

04-05

WRX

.047

 

2006

WRX

.030

 

2007

WRX

.028

 

2008

WRX

.0325

 

04-06

STi

.043

 

2007

STi

.0335

 

2008

STi

.034

 

04-05

FXT

.047

 

07-08

FXT

~.030 - .033

 

05-06

LGT

.049

 

2008

LGT Spec B

.0415

 

OEM Part Numbers

  • 02-05 WRX - 22326KA120
  • 2007 WRX - 22326AA260
  • 04-06 STI - 14447AA090 (Hose + Pill, Pill not available separately)
  • 2007 STI - 14447AA140 (Hose + Pill $22.10, Pill not available separately)

The 2008+ WRX/STI has two restrictor pills. The smaller restrictor pill (the vacuum line with the pink dot) needs to go to the wastegate actuator and the larger restrictor pill (the vacuum line with the yellow dot) needs to go to the compressor housing.

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