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Vendor:AeromotiveAeromotive Gen-II A1000 -6 FPR Fuel Pressure Regulator (Black Finish)
Regular price $280.54Sale price $280.54 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Performance 0-100 PSI Liquid Filled Fuel Pressure Gauge (Black Face)
Regular price $39.99Sale price $39.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 90 Degree 1/8 inch NPT Male to Female Zinc Plated Fitting
Regular price $6.99Sale price $6.99 Regular priceUnit price per -
Up to $8 OFFVendor:IAG PerformanceIAG FPR (Fuel Pressure Regulator) Adapter for 2002-07 Subaru WRX & 2007 STI
Regular price $21.99Sale price $21.99 Regular priceUnit price per$29.99 -
Up to $8 OFFVendor:IAG PerformanceIAG FPR (Fuel Pressure Regulator) Adapter for 2008-14 Subaru WRX, 2010-12 LGT
Regular price $21.99Sale price $21.99 Regular priceUnit price per$29.99 -
Vendor:IAG PerformanceIAG FPR (Fuel Pressure Regulator) Adapter for 2007-09 Subaru Legacy GT
Only 16 leftRegular price $38.99Sale price $38.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Straight OEM Fuel Rail Adapter For Aftermarket FPR's fits 02-07 WRX, 07 STI
Only 13 leftRegular price $32.99Sale price $32.99 Regular priceUnit price per -
Vendor:LoctiteLoctite 545 Pipe Thread Sealant, 0.02 oz.
Regular price $4.99Sale price $4.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Aeromotive FPR Mounting Bracket for 2006-07 Subaru WRX, 06-07 STI
Only 11 leftRegular price $24.99Sale price $24.99 Regular priceUnit price per -
Sold OutVendor:IAG PerformanceIAG Aeromotive FPR Bracket for 2008-21 Subaru STI
Regular price $24.99Sale price $24.99 Regular priceUnit price per -
Vendor:COBBCOBB Fuel Pressure Sensor Kit For 2008-21 Subaru STI - 315650
Regular price $275.00Sale price $275.00 Regular priceUnit price per -
Vendor:COBBCOBB Fuel Pressure Regulator Kit For 2008-21 Subaru STI - 315200
Regular price $410.00Sale price $410.00 Regular priceUnit price per -
Up to $37.69 OFFSold OutVendor:AEMAEM Universal Black Adjustable Fuel Pressure Regulator - 25-302BK
Regular price $150.26Sale price $150.26 Regular priceUnit price per$187.95 -
Up to $40.79 OFFVendor:AEMAEM High Capacity Universal Black Adjustable Fuel Pressure Regulator - 25-305BK
Only 6 leftRegular price $160.16Sale price $160.16 Regular priceUnit price per$200.95 -
Up to $16.23 OFFVendor:AEMAEM Universal Fuel Pressure Regulator Rebuild Kit - 25-392
Only 7 leftRegular price $62.72Sale price $62.72 Regular priceUnit price per$78.95 -
Vendor:AeromotiveAeromotive EFI Regulator Repair Kit (for 13101/13109/13151/13159/13114)
Regular price $44.97Sale price $44.97 Regular priceUnit price per -
Vendor:AeromotiveAeromotive Regulator - 30-120 PSI - .500 Valve - 2x AN-10 Inlets / AN-10 Bypass
Only 13 leftRegular price $323.90Sale price $323.90 Regular priceUnit price per -
Up to $24.59 OFFSold OutVendor:AEMAEM AN6 ORB 40-70psi Fuel Pulse Damper - 25-4002
Regular price $95.36Sale price $95.36 Regular priceUnit price per$119.95 -
Up to $13.50 OFFVendor:Radium EngineeringRadium Engineering Fuel Pressure Regulator Kit For 2008-21 Subaru WRX STi (EJ257 Only) - 20-0965
Only 10 leftRegular price $256.45Sale price $256.45 Regular priceUnit price per$269.95
Fuel Pressure Regulators
Upgrade your fuel system with high-quality fuel pressure regulators and accessories from IAG Performance, designed for the 2002–2023 Subaru WRX, Subaru WRX STI, Subaru Legacy GT, Subaru Forester XT, and Subaru BRZ. Whether you are fine-tuning a stock setup or supporting a high-performance build, maintaining proper fuel pressure is critical for consistent fuel delivery and engine performance.
Our selection includes fuel pressure regulators (FPRs), fuel pressure gauges, AN fittings, adapters, and mounting brackets to help you dial in your fuel system with precision. A properly functioning regulator ensures stable fuel pressure under varying loads, helping to prevent lean conditions and support reliable performance in turbocharged Subaru applications.
Choose from trusted brands known for quality and accuracy, including AEM, Aeromotive, COBB, Fuelab, Loctite, Radium Engineering, and more.
From basic replacements to complete fuel system upgrades, IAG Performance has the fuel pressure regulator components you need for consistent, dependable performance.