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They are a common upgrade in K-series engine builds where OEM valves become a limiting factor under increased power and RPM
TIG welded T304 stainless steel pipes that feature laser cut flanges that improves both horsepower and torque and improves throttle response while increasing that flat 4 rumble
Part #: 3063-8
We strongly suggest replacing your oil pump when ever you need to replace the timing belt or if you are having any sort of engine internal work done to WRX or STi
Innovate MTX-L PLUS Digital Air/Fuel Ratio Gauge Kit 3ft w/O2 Sensor | 3924 vendor_Perrin They are a common upgradeThe Innovate MTX L PLUS is a high precision digital wideband air fuel ratio (AFR) gauge designed for accurate engine tuning, real time combustion monitoring, and improved performance under demanding conditions. Built on Innovates patented DirectDigital technology, this advanced wideband system delivers fast sensor response, enhanced heater control, and highly reliable AFR readings for both gasoline and ethanol blended fuels. This version of the MTX L