Enhance the power and precision of your 2015-2021 Subaru WRX with our premium selection of fuel system performance parts, encompassing high-performance injectors, fuel rails, and fuel pressure regulators from industry-leading brands like IAG and COBB. Elevate your vehicle's performance to new heights by optimizing fuel delivery and combustion efficiency, ensuring a potent and exhilarating driving experience. Explore our meticulously curated collection of precision-engineered injectors, precisely calibrated to deliver the perfect fuel-to-air ratio for maximum power gains. Upgrade your fuel rail system with cutting-edge technology designed to enhance fuel distribution and reduce pressure drop, optimizing overall engine performance. Fine-tune your fuel system with precision using state-of-the-art fuel pressure regulators, ensuring consistent and reliable fuel delivery under varying conditions. Dive into the innovation and expertise of brands like IAG and COBB, synonymous with top-tier quality and performance. Whether you're aiming for track dominance or street supremacy, our expertly chosen fuel system performance parts, combined with detailed installation insights, guarantee a seamless upgrade process. Elevate your Subaru WRX's power and responsiveness with a fuel system that's engineered to deliver peak performance, enhancing every corner and straightaway with unrivaled precision. Explore our comprehensive range of fuel system components today and unleash the true potential of your Subaru WRX.
2015-2021 Subaru WRX Fuel System Performance Parts
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Up to $0.25 off
In StockRadium Engineering 1/8 NPT Plug - Universal
Only 4 leftRegular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
Up to $0.50 off
In StockRadium Engineering Fitting- 6AN ORB TO 5/16 BARB - Universal
Only 17 leftRegular price $9.45Sale price $9.45 Regular priceUnit price per$9.95 -
In StockIAG Replacement Hardware Set for IAG Top Feed Fuel Rails
Only 1 leftRegular price $48.00Sale price $48.00 Regular priceUnit price per$48.00 -
In StockIAG PTFE Fuel Line Kit
Fits: 08-14 WRX, 08-21 STI
Only 1 leftRegular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
In StockDeatschwerks 1000cc Bosch EV14 Fuel Injectors
Fits: 02-14 WRX, 07-21 STI, 07-12 LGT
Only 9 leftRegular price $469.00Sale price $469.00 Regular priceUnit price per$469.00 -
![COBB [15 - 21 WRX] CAN Fuel Pressure Sensor Kit - JDMuscleFuel Pressure Sensorcobb344750](//jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-can-fuel-pressure-sensor-kit-7132857.jpg?v=1770325399&width=220)
![COBB [15 - 21 WRX] CAN Fuel Pressure Sensor Kit - JDMuscleFuel Pressure Sensorcobb344750](//jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-can-fuel-pressure-sensor-kit-9033751.jpg?v=1770325399&width=220)
In StockCobb Tuning CAN Fuel Pressure Sensor Kit
Fits: 15-21 WRX
Regular price $275.00Sale price $275.00 Regular priceUnit price per$275.00 -
![Cobb [18 - 21 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb344650](//jdmuscleusa.com/cdn/shop/files/cobb-18-21-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9760633.jpg?v=1770325403&width=220)
![Cobb [18 - 21 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb344650](//jdmuscleusa.com/cdn/shop/files/cobb-18-21-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-3058231.jpg?v=1770325404&width=220)
In StockCobb Tuning CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor
Fits: 18-21 WRX
Only 18 leftRegular price $1,035.00Sale price $1,035.00 Regular priceUnit price per$1,035.00 -
![Cobb [15 - 17 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb343650](//jdmuscleusa.com/cdn/shop/files/cobb-15-17-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9575282.jpg?v=1770325403&width=220)
![Cobb [15 - 17 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb343650](//jdmuscleusa.com/cdn/shop/files/cobb-15-17-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9036923.jpg?v=1770325403&width=220)
In StockCobb Tuning CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor
Fits: 15-17* WRX
Only 11 leftRegular price $1,035.00Sale price $1,035.00 Regular priceUnit price per$1,035.00 -
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-4925571.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-8152250.jpg?v=1781013618&width=220)
Up to $25 off
In StockRadium Engineering V2 Fuel Hanger Plumbing Kit w/ Stainless Filter
Fits: 08-21 WRX/STI, 05-09 LGT
Only 5 leftRegular price $474.95Sale price $474.95 Regular priceUnit price per$499.95 -
In StockInjector Dynamics Denso USCAR PnP Injector Adapter - Universal
Only 3 leftRegular price $17.33Sale price $17.33 Regular priceUnit price per$17.33 -
Injector Dynamics ID1050X Top Feed Injectors + Adapters + Deatschwerks 300C Fuel Pump WRX 2008-2014 / STI 2008-2019
Regular price $757.00Sale price $757.00 Regular priceUnit price per$0.00 -
![Aeromotive Fuel Pressure Regulator [Universal] | 13129](//jdmuscleusa.com/cdn/shop/products/aeromotive-fuel-pressure-regulator-13129-universal-fuel-pressure-regulators-aeromotive-aer13129.jpg?v=1614524090&width=220)
In StockAeromotive Fuel Pressure Regulator | 13129
Fits: Universal
Only 4 leftRegular price $208.60Sale price $208.60 Regular priceUnit price per$208.60 -
In StockDeatschWerks DW200 Fuel Pump - Universal
Regular price $109.00Sale price $109.00 Regular priceUnit price per$109.00 -
Up to $0.75 off
In StockRadium Engineering 3/8in SAE Female To 5/16 Barb - Universal
Only 6 leftRegular price $14.20Sale price $14.20 Regular priceUnit price per$14.95 -
Up to $0.50 off
In StockRadium 8AN ORB to 5/16in Barb - Universal
Only 9 leftRegular price $9.45Sale price $9.45 Regular priceUnit price per$9.95 -
Up to $0.50 off
In StockRadium Engineering 6AN Coupler Female To Female - Straight - Universal
Only 5 leftRegular price $9.45Sale price $9.45 Regular priceUnit price per$9.95
![COBB [15 - 21 WRX] CAN Fuel Pressure Sensor Kit - JDMuscleFuel Pressure Sensorcobb344750](http://jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-can-fuel-pressure-sensor-kit-7132857.jpg?v=1770325399&width=220)
![COBB [15 - 21 WRX] CAN Fuel Pressure Sensor Kit - JDMuscleFuel Pressure Sensorcobb344750](http://jdmuscleusa.com/cdn/shop/files/cobb-15-21-wrx-can-fuel-pressure-sensor-kit-9033751.jpg?v=1770325399&width=220)
![Cobb [18 - 21 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb344650](http://jdmuscleusa.com/cdn/shop/files/cobb-18-21-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9760633.jpg?v=1770325403&width=220)
![Cobb [18 - 21 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb344650](http://jdmuscleusa.com/cdn/shop/files/cobb-18-21-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-3058231.jpg?v=1770325404&width=220)
![Cobb [15 - 17 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb343650](http://jdmuscleusa.com/cdn/shop/files/cobb-15-17-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9575282.jpg?v=1770325403&width=220)
![Cobb [15 - 17 WRX] CAN Flex Fuel Upgrade - Module/Harness/Bracket/Ethanol Sensor - JDMuscleFlex Fuelcobb343650](http://jdmuscleusa.com/cdn/shop/files/cobb-15-17-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-9036923.jpg?v=1770325403&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-4925571.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-8152250.jpg?v=1781013618&width=220)
![Aeromotive Fuel Pressure Regulator [Universal] | 13129](http://jdmuscleusa.com/cdn/shop/products/aeromotive-fuel-pressure-regulator-13129-universal-fuel-pressure-regulators-aeromotive-aer13129.jpg?v=1614524090&width=220)
