| 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 |
Manley Race Master Exhaust Valve | Subaru WRX EJ205 / EJ257 (Single) (11171-1)
Manley Race Master Exhaust Valve | Subaru WRX EJ205 / EJ257 (Single) (11171-1)
SKU:11171-1
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The Manley Race Series Exhaust Valve for Subaru WRX EJ205 and STI EJ257 models is a high-performance component designed to withstand the demanding conditions of racing applications. Crafted with meticulous engineering, these 33mm valves are built to endure the rigorous stresses encountered in bracket, drag, and oval track racing. Made from durable materials, they offer enhanced durability and consistent performance at engine speeds operating under 8000 RPM. Their precise construction ensures optimal airflow and combustion efficiency, contributing to improved engine power and responsiveness. These valves are ideal for enthusiasts seeking reliable, race-ready components that meet the demands of high-performance engines.
Designed specifically for Subaru WRX EJ205 and STI EJ257 engines, these valves are suitable for engines operating within a broad range of racing scenarios. They serve as direct replacements or upgrades for stock valves, providing increased durability and performance under high-stress conditions. Installation is straightforward for qualified technicians familiar with high-performance engine modifications. The set includes a single exhaust valve, making it suitable for custom setups or partial upgrades. These valves are perfect for track racing, bracket racing, or any application requiring high RPM durability and precise airflow management.
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Overview
Overview
Manley Performance Race Series Exhaust Valve
Fits Subaru WRX EJ205 and EJ257 Models
Part #: 11171-1
Overview
The Manley Race Series 33mm Exhaust Valve is a high-performance component designed specifically for Subaru WRX engines, including the EJ205 and EJ257 models. Crafted for racing applications, these valves are engineered to withstand the extreme demands of bracket, drag, and oval track racing, making them an ideal upgrade for enthusiasts seeking maximum durability and performance at high RPMs. Whether you're building a dedicated race engine or enhancing your existing setup, these valves help optimize airflow and combustion efficiency, contributing to improved engine response and reliability under demanding conditions.Key Features
Designed with precision manufacturing, the Manley Race Series valves feature high-quality materials and meticulous engineering to ensure longevity and consistent performance. Key features include:- 33mm diameter for optimal exhaust flow
- Constructed from premium alloy for heat resistance and durability
- Engineered to operate reliably under 8000 RPM
- Precision-machined for perfect fit and sealing
- Designed for high-stress racing environments
- Helical cut or reinforced stems for added strength
Construction & Design
These valves are crafted from high-grade alloys with advanced machining techniques, ensuring precise dimensions and structural integrity. The design focuses on heat dissipation and resistance to valve seat wear, critical for sustained high-RPM operation in racing conditions.Performance & Response
The Race Series exhaust valves are intended to support increased airflow and combustion efficiency, helping your engine achieve better response and power output at high RPMs. Their robust construction ensures consistent operation during intense racing sessions, providing confidence and reliability.Installation & Fitment
Installation requires standard valve replacement procedures and is recommended for experienced mechanics or engine builders familiar with Subaru EJ series engines. Proper seating and clearance are essential for optimal performance.What’s Included
This product includes a single exhaust valve, ready for installation as part of your engine rebuild or upgrade. Additional hardware or components are not included.Ideal For
This exhaust valve is ideal for race car builders, performance enthusiasts, and anyone seeking to maximize the durability and airflow capacity of their Subaru WRX engine for high-RPM applications.