Introducing the Subaru WRX STI Race Master Valves - Exhaust - by Manley Performance - 32mm Stainless for the 2004 model. These top-quality exhaust valves are designed to elevate your vehicle's performance to new heights, making them an essential upgrade for any serious automotive enthusiast.

Delve into this high-performance solution for enhancing your engine's efficiency and durability. Crafted from high-quality stainless steel, both the exhaust (XH-426) and intake (NK-842) valves are fortified to endure the most extreme conditions. By incorporating chrome stems and hard tips, Manley Performance ensures maximum longevity and wear resistance, making these valves a robust and reliable choice. Their swirl polished and fully machined surfaces enhance airflow and combustion, delivering improved engine performance.

Features

• 32mm stainless steel construction for superior durability
• Chrome stems and hard tips for enhanced longevity
• Swirl polished and fully machined for optimized airflow
• Suitable for Race Master (Straight Stem) and Race Flo configurations
• Recommended for use in alcohol engines

Manley's Race Series valves are precisely engineered to withstand the demands of bracket, drag, and oval track racing, supporting engines operating under 8000 RPM. Whether you're customizing your racecar or enhancing your daily drive, these valves offer reliability under the most demanding conditions.

For more information or to address any inquiries, please feel free to call us directly. We have two convenient locations offering installation and customization services: one in Austin, Texas reachable at 512-982-9393, and the other in the Los Angeles, California area at 562-981-6800. If you are considering purchasing multiple items, contact us for shipping discounts. We proudly offer installation on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov