| Year | Make | Model |
|---|---|---|
| 2009 - 2015 | Subaru | Outback |
Manley Extreme Duty Valve | Subaru WRX (09-15) (11137-1)
Manley Extreme Duty Valve | Subaru WRX (09-15) (11137-1)
SKU:11137-1
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The Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valve is a high-performance valve designed for demanding automotive applications. Crafted from stainless steel, these valves are engineered to withstand extreme conditions and deliver exceptional durability and reliability. Built to meet the rigorous standards of professional racing and high-stress environments, they provide improved airflow and combustion efficiency. The valves are part of Manley's Extreme Duty Series, known for their ability to handle high horsepower and aggressive tuning, making them ideal for performance enthusiasts seeking maximum engine output.
These valves are compatible with Subaru WRX models from 2000 to 2003 and 2004 Subaru STI models, specifically for the EJ20 engine. They serve as direct replacements or upgrades for stock valves, suitable for street, track, or racing applications where durability and performance are critical. Installation involves standard valve replacement procedures, and the kit includes the necessary valves for a complete upgrade. Designed for high-performance builds, these stainless steel valves ensure long-lasting performance under extreme conditions.
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Overview
Manley Performance Exhaust Components
Fitment Summary
Part #: 11137-1
Overview
The Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valve is a high-performance replacement valve designed for enthusiasts seeking durability and reliability under demanding conditions. Crafted from premium stainless steel, this valve is engineered to withstand extreme heat, pressure, and wear, making it ideal for racing, high-performance street applications, and intensive driving environments. Whether you're restoring a stock engine or building a race-ready setup, this valve offers the strength and precision needed to support your vehicle’s performance goals. This valve is perfect for professional mechanics, performance tuners, and dedicated car enthusiasts who demand the best in engine durability and efficiency. Its robust construction ensures long-lasting operation, even in the most challenging conditions, helping your engine maintain optimal airflow and combustion efficiency.Key Features
This exhaust valve features a stainless steel construction designed for maximum strength and corrosion resistance. Its 32mm diameter provides precise airflow control, supporting improved engine response and power delivery. The valve’s extreme duty design ensures it can handle high exhaust temperatures and aggressive driving styles without warping or failure. Its compatibility with Subaru WRX and STi models from 2000 to 2003 makes it a reliable upgrade for those looking to enhance engine longevity and performance.- Made from high-grade stainless steel for durability and corrosion resistance
- 32mm diameter optimized for efficient exhaust flow
- Designed to withstand extreme heat and pressure
- Suitable for high-performance and racing applications
- Engineered for Subaru WRX (2000–2003) and 2004 STi models
- Part of Manley's Extreme Duty Series, ensuring quality and reliability