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Grimmspeed 3" Catted Divorced Downpipe 08-14 WRX / 08-17 STI IAG Performance Street Air Oil Separator 08-14 WRX / 08-17 STI GrimmSpeed Electronic Boost Control Solenoid 3-Port 06-07 WRX / 04-07 STI Extreme Turbo Systems Extreme Catback Exhaust 2015-2017 WRX / 2015-2017 STI
Catted Design Ideal for all Forced Induction Subaru's.
Decrease Spool Time - flows 10% more than the competition.
Made in the USA


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