Turbosmart Fuel Pressure Regulator Adapter

2008–2016 Subaru WRX STI 2.5L Turbo

Part #: TS-0402-1013

Overview

The Turbosmart Fuel Pressure Regulator Adapter is an essential upgrade for Subaru WRX STI owners looking to optimize their fuel system performance. Designed specifically for the 2008 to 2016 models equipped with the 2.5L turbocharged engine, this adapter ensures your fuel pressure remains stable and adjustable when high-flow fuel pumps or performance injectors are installed. Whether you're pushing your vehicle for spirited driving, tuning for increased power, or supporting aftermarket modifications, this regulator adapter helps maintain reliable fuel delivery for peak engine performance.

By providing a precise and adjustable fuel pressure base, this product helps prevent fuel pressure fluctuations that can lead to drivability issues, poor throttle response, or engine damage. It is an ideal solution for enthusiasts who want to maximize their vehicle's potential while ensuring consistent fuel delivery under demanding conditions.

Key Features

The Turbosmart Fuel Pressure Regulator Adapter is engineered with high-quality materials and designed for durability and precise performance. Its key features include:

• Manufactured by Turbosmart, a trusted name in performance automotive components, ensuring quality and reliability.
• Specifically designed for Subaru WRX STI models from 2008 to 2016 with 2.5L turbo engines, providing a perfect fit and seamless integration.
• Allows for easy pressure adjustments to accommodate upgraded fuel pumps and injectors, supporting increased horsepower and fueling demands.
• Constructed from durable, corrosion-resistant materials to withstand the harsh environment of the engine bay.
• Features a high-flow design that maintains optimal fuel flow and pressure stability, critical for high-performance applications.
• Compatible with factory fuel rails and fittings, making installation straightforward without the need for extensive modifications.
• Helps improve throttle response, engine stability, and overall drivability when paired with aftermarket fuel system components.
• Designed to maximize the capability of your fuel system, supporting tuning and power upgrades safely and effectively.

Construction & Design

The Turbosmart Fuel Pressure Regulator Adapter is crafted from high-grade aluminum and stainless steel components, ensuring strength and resistance to corrosion. Its compact, lightweight design integrates seamlessly with the factory fuel rail, providing a secure and leak-free connection. The adapter features precision-machined fittings and a high-quality regulator mechanism that allows for fine-tuning of fuel pressure to match your specific performance needs. Its robust construction ensures long-lasting durability, even under high-pressure conditions typical of modified turbocharged engines.

Installation & Fitment

The Turbosmart Fuel Pressure Regulator Adapter is designed as a bolt-on upgrade that requires minimal effort to install. It connects directly to the factory fuel rail using existing fittings, with no need for cutting or extensive modifications. Basic hand tools are sufficient for installation, and the process typically involves removing the fuel rail, attaching the adapter, and reassembling. No tuning or additional adjustments are necessary for basic operation, but fine-tuning of the pressure setting can be performed with the included regulator adjustment knob to optimize performance for your specific setup.

• Easy, bolt-on installation with factory fittings
• No cutting, drilling, or complex modifications required
• Supports high-flow fuel pumps and aftermarket injectors
• Suitable for use with stock or upgraded fuel systems

What's Included

• Fuel Pressure Regulator Adapter
• High-quality fittings and hardware
• Adjustment knob for fine-tuning pressure
• Installation instructions

Ideal For

• Subaru WRX STI owners upgrading their fuel system
• Performance enthusiasts seeking reliable fuel pressure control
• Drivers running high-flow fuel pumps and aftermarket injectors
• Anyone looking to improve fuel system stability and tuning capability