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Fuel Injector Clinic Fuel Rails With -6 Fittings Subaru 2020-2021


Fuel Injector Clinic

Model #RL WRX -6/-6

Shopper Award

Set of WRX ('02-'14) and STi ('07+) upgraded fuel rails for factory top feed TGVs with -6AN end fittings on both sides. Includes everything needed for use with Fuel Injector Clinic IS175-series injectors or factory injector style. Includes 4 mounting brackets and all stainless steel bolts. Anodized sleek matte finish available in Black, Dark Blue, Dark Red and Silver. Fuel Injector Clinic's new Subaru fuel rails are designed as an upgrade for all models of WRX and Sti that had factory top-feed injectors. This includes the 2020-2021 WRX and 2017+ Sti model years. Fuel Injector Clinic fuel rails are constructed of high quality aluminum extrusion machined to the tightest tolerances and anodized inside and out to provide a beautiful protective finish. All Fuel Injector Clinic fuel rails include aluminum mounting brackets and stainless steel hardware that allow for installation using factory attachment points. Fuel Injector Clinic fuel rails are threaded to accommodate -8AN fittings on each end.


  • Subaru STI 2007-2021
  • Subaru WRX 2020-2021
  • For the 2004-2021 Sti, FIC offers a similar rail designed to convert from the OEM side feed injector setup to Fuel Injector Clinic IS176-series top feed injectors.

Proposition 65

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Vehicle Engine Notes
Subaru STI

Subaru WRX

Who is Fuel Injector Clinic?

Fuel Injector Clinic is a company that specializes in producing the highest quality performance injectors in the market.  They produce high-performance injectors that come with precise dynamic flow matching and excellent tuning data.

Fuel injector clinic uses the latest generation of Bosch-based injectors in all their high impedance injector sets. This enabled them to become one of the go-to brands when it comes to aftermarket injectors.

Starting With The Best

Their process starts with using the best base injectors available and then optimizing them for all performance applications. It allows the product to become more reliable and provide optimum performance.  All the injectors they provide are designed to be used for both gasoline and E85 applications.  

Fuel Inject Expert

Fuel Injector Clinic uses a custom-built flow bench to offer the industry the most accurate injector matching and tuning data. By creating an injector that matches both flow rate and an individual offset value, they can raise the industry standards to optimize injector performance from idle up to full throttle.   

Purchase Fuel Injector Clinic Products At Vivid Racing

If you are in the market for high-quality injectors for your vehicle, then better choose the best and select Fuel Injector Clinic. They offer various injector sizes ranging from 365cc to 2150CC and fit most cars from different brands such as Mitsubishi, Chevrolet, Honda, Dodge, Ford, Subaru, Nissan, Toyota, Porsche, Scion, Volkswagen, Mazda, BMW, Hyundai, Can-Am, and more.

To know more about Fuel Injector Clinic and what they can offer, visit Vivid Racing and check out their list of products that fit your specific requirement.

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