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Home > Subaru > STI 2004-2007 > Air Induction > Filters
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Subaru Drop-In Filters
K&N Drop-In Filter 02-03 & 06-07 WRX / 05-07 STI
Our Price: $49.99

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.
Subaru Drop-In Filters
K&N Drop-In Filter 04-05 WRX / 04 STI
Our Price: $49.99

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.
CONE FILTER - 3.125" MOUTH 02-14WRX / 04-14 STI
CONE FILTER - 3.125" MOUTH 02-14WRX / 04-14 STI
Our Price: $62.10

Helps Your Engine Breath Better.
   
 
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