Koyo 08-14 WRX/STi / 15-21 WRX STi/ 05-09 LGT/OBXT (MT / w/ Filler Neck) Radiator subaru-sti-2004 venting too much air can

venting too much air can make the throttle less responsive

OEM Quality Plug-and-Play Connector

100% hand MIG-welded construction ensures optimal strength and durability

to ease installation

The COBB Titanium Cat-Back Exhaust for your 2011+ Subaru WRX or STI offers premium styling and quality

Koyo 08-14 WRX/STi / 15-21 WRX STi/ 05-09 LGT/OBXT (MT / w/ Filler Neck) Radiator subaru-sti-2004 venting too much air canThe Hyper V Core Series is the newest to the Koyorad All Aluminum Racing Radiator lineup. An engine's cooling system in many newer vehicles is suffering due to limited space and crowding which affects air circulation. Our new ultra efficient Hyper V core was developed specifically for vehicles that see extreme heat, are limited in space, and where the factory inlet outlet locations eliminate the option for a proper N FLO design. The Hyper V Series