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Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarketexhaust system)
The main difference is that an AOS-"R" system "returns" what is collected back into the oil pan so there is no servicing required
-All necessary SAE J30R7 rated PCV/Emissions hose
our headers and exhausts come with all necessary accessories to make installation as smooth as possible
The radiator cap is an essential part of an upgraded cooling system
CSF 15+ WRX/STi 2-Row Race-Spec Radiator 2015+ STi Fuel Direct bolt-on easy installation toDesigned with industry first B Tube technology, these new units will keep the most sophisticated and demanding engines cool in the most extreme temperatures and driving conditions. Using their state of the art ISO 9002 engineering and testing facilities, these radiators have undergone industry leading; leak, thermal cycle, burst pressure, vibration, and wind tunnel testing. Each individual radiator is meticulously handcrafted by a master class welder