They work in tandem with your AEM fuel pressure regulator to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operation under load.

They work in tandem with your AEM fuel pressure regulator to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operation under load.

DWR1000 Adjustable fuel pressure regulator + pressure gauge + (2) 8AN feed & (1) 6AN return fittings, anodized black. Universal fitment

For engines that use an EFI type pump with a carburetor, the GFB FX-D LP bypass regulator is the perfect solution for fuel delivery. Dual -8AN inlet ports offer installation flexibility, whilst the two 1/8" NPT gauge ports allow the use of both a...

For engines that use an EFI type pump with a carburetor, the GFB FX-R LP bypass regulator is the perfect solution for fuel delivery. Dual -6AN inlet ports offer installation flexibility, whilst the two 1/8" NPT gauge ports allow the use of both a...

Fuelab 535 EFI Adjustable Mini FPR 25-90 PSI (2) -6AN In (1) -6AN Return (3) -6AN ORB w/Gauge Kit

Snow Performance Flex Fuel Sensor Manifold Assembly

Performance In-Tank Regulator - high performance 4.5 BAR Pressure for Honda and Acura

DeatschWerks Mazda Performance In-Tank Regulator - High Performance 4.5 BAR

DeatschWerks Toyota / Subaru Performance In-Tank Regulator - High Performance 4.5 BAR

DWR2000 Adjustable fuel pressure regulator + pressure gauge + (2) 10AN feed & (1) 8AN return fittings, anodized black. Universal fitment

DWR1000c Adjustable fuel pressure regulator + pressure gauge + (2) 8AN feed & (1) 6AN return fittings, anodized black. Universal fitment