Designed specifically for the 2.3L MZR engine of the Mazda 3 MPS, the Turbosmart Dual Port dump valve requires no modifications for installation. This high-performance valve incorporates a dual-action mechanism with an adjustable internal piston. It operates quietly at low boost levels and provides ..

The Turbosmart Dual Port Kompact dump valve, tailored for the 2.3L MZR engine in the Mazda 3 MPS, installs seamlessly without modifications. This premium dump valve combines a dual-port design and an adjustable internal piston that delivers a discreet operation at low boost and a pronounced blow-off..