ESR Fuel Pressure Regulator (1999-2005) Add Fuel Test Port?:Yes, please add fuel test port The Intake Tube has minimal

The Intake Tube has minimal bends as it connects to the inlet

lid seal and box plug are all made with silicone

Filtering consists of a fine mesh stainless steel screen that traps fine oil vapors and releases them once heavy enough to fall

Built identical to the Mazda Harness

ESR Fuel Pressure Regulator (1999-2005) Add Fuel Test Port?:Yes, please add fuel test port The Intake Tube has minimalThis 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