This was off my personal 2021 wrx sti. Nothing wrong with it. I upgraded to a radium when hardwiring my pump. note it includes no lines, just the fpr. sold as-is
Speedway Fuel Pressure Regulator 5-12 psi & Gauge 0-15 psi
Aeromotive Fuel Pressure Regulator 13101 A1000 EFI Bypass Regulator 40 - 75 psi
Aeromotive Fuel Pressure Regulator 13109 A1000 EFI Regulator 40 - 75 psi + Gauge
Aeromotive Fuel Pressure Regulator 13109 A1000 EFI Bypass Regulator 40 - 75 psi
Fuel Pressure Regulator Holley Carburetor Carb Quick Fuel 30-805 4 1/2 - 9 PSI
LOW Fuel Pressure Regulator Holley Quick Fuel Carburetor Carb 1-4 PSI 12-804-SWG