ESR Fuel Pressure Regulator (1999-2005) Add Fuel Test Port?:Yes, please add fuel test port JLT Black Textured Intake Tube

JLT Black Textured Intake Tube

Connects to multiple devices and save the costly price of replacing batteries

Lambda probes can be applied to two- and four-strokes engines

Built identical to the Mazda Harness

No hose clamps are used in this system at all

ESR Fuel Pressure Regulator (1999-2005) Add Fuel Test Port?:Yes, please add fuel test port JLT Black Textured Intake TubeThis regulator is engineered to work the same way Mazda designed the original system to work. With one regulator, with a return back to the tank. This ensures proper regulation of fuel pressure pulse to the fuel injectors. Other products on the market piggy back a second regulator that does not return excess pressure to the tank but bleeds it off with the injectors opening and closing. This can cause an uneven pressure and pulse that the injectors can