1. Fuel Injection Parts Deals
  2. sku: 9800359548519623
  3. TORQUE SOLUTION TS-SU-400R.2

TORQUE SOLUTION TS-SU-400R.2 Top Fuel Rails

fits model: Wrx, Sti. make: Subaru. year: 2007–2018.

Ts-su-400r.2 Torque Solution For Top Feed Fuel Rails 02-14 Subaru Wrx / 07-18 Sti - Red

( Brand: Torque Solution ), ( Type: Tqs Top Feed Fuel Rails ), ( Manufacturer Part Number: TS-SU-400R.2 ), ( Performance Part: Yes )

Review TORQUE SOLUTION Top Feed Fuel Rails 02-14 Subaru Red fits WRX STI 2007–2018

The Torque Solution TS-SU-400R.2 Fuel Rail Kit is a high-performance upgrade designed specifically for Subaru WRX and STI models from 2002 to 2014 and 2007 to 2018, respectively. This fuel rail kit is an essential modification for those seeking to improve the overall performance and efficiency of their top-fuel injected Subaru engines.

The TS-SU-400R.2 Fuel Rail Kit is manufactured using 6061-T6 billet aluminum, ensuring a strong and durable construction. The kit includes four high-performance fuel rails, each capable of delivering fuel with exceptional accuracy and consistency. The rails are CNC-machined to provide a perfect fit and seamless integration with the engine, eliminating the need for any modifications.

The fuel rails feature -6 AN fuel connections, which are designed to provide a secure and leak-free connection with the fuel lines. Each rail is drilled with four 1/8 NPT bung holes, allowing for easy installation of fuel pressure gauges or other monitoring devices for those pursuing advanced engine tuning.

The Torque Solution TS-SU-400R.2 Fuel Rail Kit also includes a set of high-quality fuel regulator adapters, ensuring a perfect fit and function with the factory fuel pressure regulators. These adapters are CNC-machined from 6061-T6 billet aluminum, ensuring a strong and precise connection.

By upgrading to the Torque Solution TS-SU-400R.2 Fuel Rail Kit, Subaru WRX and STI owners can expect to experience improved fuel delivery, increased engine performance, and more consistent and responsive power delivery. This kit is an excellent investment for those seeking to take their Subaru to the next level, whether for daily driving or competition use.

In summary, the Torque Solution TS-SU-400R.2 Fuel Rail Kit is a high-quality, CNC-machined upgrade designed for Subaru WRX and STI models. Manufactured using 6061-T6 billet aluminum, the kit includes four high-performance fuel rails, -6 AN fuel connections, and fuel regulator adapters, providing improved fuel delivery, increased engine performance, and more consistent power delivery.

Pros and Cons of buying a Torque Solution Ts-Su-400r.2 for Top Fuel Rails (02-14 Subaru WRX, 07-18 STi)

1. Pros:

a. Increased Power and Torque: The Torque Solution Ts-Su-400r.2 is designed to provide improved fuel delivery, resulting in increased power and torque for your Subaru WRX or STI.

b. Improved Fuel Efficiency: Despite the increase in power, this fuel pressure regulator can also help improve fuel efficiency by ensuring optimal fuel delivery to the engine.

c. High-Quality Construction: It is CNC machined from billet aluminum, ensuring durability and accuracy in its operations.

d. Easy Installation: The installation process is relatively straightforward, and the kit includes all necessary hardware for a hassle-free experience.

e. Adjustable Fuel Pressure: This regulator offers adjustable fuel pressure, allowing you to fine-tune the system for your specific needs and desired power levels.

2. Cons:

a. Cost: The Torque Solution Ts-Su-400r.2 is a premium product, and its price tag may be a significant investment for some enthusiasts.

b. Complexity: Compared to stock fuel pressure regulators, this unit may require more time and effort to install and fine-tune for optimal performance.

c. Potential for Over-Fueling: If not properly set up or adjusted, the increased fuel pressure could potentially lead to over-fueling, which could negatively impact engine performance and cause damage.

Conclusion:

The Torque Solution Ts-Su-400r.2 for top fuel rails on Subaru WRX (02-14) and STI (07-18) offers several advantages, including increased power and torque, improved fuel efficiency, high-quality construction, and adjustable fuel pressure. However, it comes with a higher cost and a potential learning curve for those unfamiliar with its complex installation and fine-tuning process. Ultimately, if you're looking for significant power gains and are willing to invest time and resources into the upgrade, the Torque Solution Ts-Su-400r.2 could be an excellent choice for your Subaru.

Recommendation:

If you are an experienced Subaru enthusiast or tuner looking for substantial power gains and are willing to invest in a high-performance fuel pressure regulator, the Torque Solution Ts-Su-400r.2 is a strong recommendation. However, for those new to the world of Subaru performance upgrades, it may be worthwhile to consider less complex and costly alternatives before opting for this advanced fuel pressure regulator.

part # tssu400r2 prices

  • $188.67-$212.95

specifications injectiopug:

  • for models: Wrx, Sti
  • for makes: Subaru
  • for years: 2007-2018
  • brand: Torque Solution
  • type: Tqs Top Feed Fuel Rails
  • manufacturer part number: TS-SU-400R.2
  • performance part: Yes

seller injectiopug:

  • rating: 99.8%
  • # reviews: 116702

payments injectiopug:

  • other
  • wallet: Paypal
  • credit card: Discover

shipping injectiopug:

  • cost: $0.00
  • class: Standard
  • service: Standard
  • transit: 2-6 Days
  • type: Fixed

returns injectiopug:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

offer injectiopug:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: December 16, 2025

general injectiopug:

  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
for models: wrx, sti, for makes: subaru, for years: 2007-2018, type: tqs top feed fuel rails, performance part: yes,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 9800359548519623,

Torque Solution TS-SU-400R.2 Is Similar To:

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5 offers $188.67–$212.95 USD
  • Offer #1: $188.67 price + free delivery = $188.67* total. Perfect for setting up your fuel system in parallel to ensure each cylinder receives optimal fueling. Our rails are made from 6061 Billet Aluminum with a 5/8" ID for maximum fuel flow and threaded for -8 O-Ring boss fittings (not included).FREE SHIPPING
  • Offer #2: $212.95 price + free delivery = $212.95* total.FREE SHIPPING
  • Offer #3: $189.48 price + free delivery = $189.48* total. Torque Solution V2 Top Feed Fuel Rails (Red): Subaru WRX 02-14, STI 07-20, LGT 08-12, FXT 06-13 Applications: Subaru WRX 2002-2014, STI 2007-2020, Legacy GT 2008-2012, Forester XT 2006-2013.FREE SHIPPING
  • Offer #4: $236.10 price + $9.99 delivery = $246.09* total. Torque Solution Top Feed Fuel Rails: 02-14 Subaru WRX / 07-18 STI - Red.+$9.99 shipping
  • Offer #5: $194.44 price + $12.00 delivery = $206.44* total. Manufacturer: Torque Solution Torque Solution Top Feed Fuel Rails V2 Red Subaru WRX 2002-2014 / STI 2007.+$12.00 shipping