These high flow fuel injectors are a 25% increase in flow over the OEM fuel injector allowing you to push the limits on horsepower with your Civic Type R, Accord, or other K20C1 powered vehicle without adding the complexity of port injection. Keep your car 100% direct injection only! These injectors can be installed in 30-40 minutes. Pair this with our high flow fuel pump for 500hp with DI only. Jump to our 1650cc injector for even more horsepower capability. Not only does this open the door to higher horsepower levels, it allows you to do it safely with acceptable air fuel ratios. There is support for fuel injectors and XDI pump with the OEM ECU.