| Year | Make | Model |
|---|---|---|
| 1994 - 2002 | Audi | A8 Quattro |
| 1992 - 2011 | Subaru | Impreza |
| 1989 - 1993 | Subaru | Legacy |
| 1993 - 1998 | Subaru | Legacy Touring Wagon BG |
| 2003 - 2009 | Subaru | Outback |
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Manley 33mm Race Master Exhaust Valves | Subaru WRX / WRX STI (EJ205/EJ257) (11171-8)
Manley 33mm Race Master Exhaust Valves | Subaru WRX / WRX STI (EJ205/EJ257) (11171-8)
SKU:11171-8
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$211.14 USD
Regular price
$263.93 USD
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$211.14 USD
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The Manley Subaru WRX EJ205/STi EJ257 33mm Race Master Exhaust Valves are high-performance engine components designed for racing applications. Crafted by Manley Performance, these valves are engineered to withstand the demanding conditions of bracket, drag, and oval track racing. Made from durable materials, they feature a 33mm diameter to optimize airflow and combustion efficiency. The Race Series valves are meticulously designed to meet the needs of engines operating under 8000 RPM, providing enhanced durability, reliability, and performance. Their precise construction ensures improved valve sealing and longevity, making them ideal for high-stress racing environments. These valves deliver increased horsepower and torque, supporting aggressive tuning and track-ready performance.
Suitable for Subaru WRX models equipped with EJ205 and EJ257 engines, these valves are intended as direct replacements or upgrades for racing and high-performance builds. They are compatible with vehicles from model years that utilize these engine types, offering a reliable solution for motorsport enthusiasts and serious tuners. Installation involves standard valve replacement procedures, and the set includes eight valves to complete the exhaust side. Designed for track use, these valves are perfect for bracket racing, drag racing, or oval track competition, providing the durability and performance needed to maximize engine output under demanding conditions.
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Overview
Overview
Manley Performance Race Series Exhaust Valves
Fitment Summary
Part #: 11171-8
Overview
The Manley Race Series Exhaust Valves are high-performance components designed for Subaru WRX engines, including EJ205 and EJ257 models. Crafted with precision engineering, these valves are built to withstand the intense demands of racing applications, making them ideal for bracket, drag, and oval track racers. They are engineered to operate reliably under high RPM conditions, supporting engines that reach up to 8000 RPM, ensuring durability and consistent performance during demanding driving scenarios. Whether you're building a race-ready engine or upgrading your existing setup, these valves help optimize exhaust flow and engine response for competitive performance.Key Features
Designed with meticulous attention to detail, these valves feature high-strength materials and precise machining to ensure optimal fit and longevity. The Race Series valves are engineered to support high-RPM operation, providing improved airflow and combustion efficiency. Their robust construction helps withstand the thermal and mechanical stresses of racing environments, contributing to engine durability and consistent power delivery. The set includes eight valves, making them suitable for complete valve train upgrades or rebuilds.Construction & Design
Manufactured from premium materials, these valves are crafted to endure extreme conditions. The precise machining and high-quality coatings help reduce wear and corrosion, ensuring long-term reliability. The 33mm size is optimized for performance applications, balancing airflow and durability to support high-revving engines.Performance & Response
These exhaust valves are designed to enhance exhaust flow, supporting improved engine response and power output at high RPMs. They help reduce backpressure and promote efficient combustion, contributing to better throttle response and overall engine performance during racing conditions.Installation & Fitment
Intended for professional installation or experienced enthusiasts, these valves are compatible with Subaru WRX EJ205 and EJ257 engines. Proper installation ensures optimal performance and longevity.What’s Included
The package includes a set of eight exhaust valves, ready for installation in compatible Subaru WRX engines.
