【Applicable Model】：For DOHC EJ20 / EJ25 engines.(Fit all EJ20 / EJ25 engines 4 cylinder years and models except 2010+ LGT). For 02-14 Subaru WRX; For 04-on Subaru STI; For 04-08 Subaru Forester XT; For 05-09 Subaru Legacy GT. 【Features】: Increase coolant flow; reduce knock/detonation/cylinder temps/EGT delta; Improving overall cooling system performance. 【Quality Assurance】: High quality Cooling pipe and connectors, Perfect Fitment, definately No Leakage. 【Material】: T Fitting and Connectors are Made of high quality CNC Machined Out Of 6061 Billet Aluminum; and High quality rubber cooling Hose. 【Component】: 1x Engine Cooling Mod Hose Kit as Pictured 【Customer Service】: 1 year product quality warranty. Please get in touch with us at any time if the product has any quality issues, such as damage or vehicle fitment. Cylinder 4 Coolant Mod Engine Cylinder Cooling Hose Adapter Kit Replacement for Subaru EJ 20 25 Engines 2002-2020