{"product_id":"manley-subaru-wrx-ej205-sti-ej257-33mm-race-master-exhaust-valve-single","title":"Manley Race Master Exhaust Valve | Subaru WRX EJ205 \/ EJ257 (Single) (11171-1)","description":"\u003ch1\u003eManley Performance Race Series Exhaust Valve\u003c\/h1\u003e\n\u003ch2\u003eFits Subaru WRX EJ205 and EJ257 Models\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 11171-1\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe 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.\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nDesigned with precision manufacturing, the Manley Race Series valves feature high-quality materials and meticulous engineering to ensure longevity and consistent performance. Key features include:\n\u003cul\u003e\n\u003cli\u003e33mm diameter for optimal exhaust flow\u003c\/li\u003e\n\u003cli\u003eConstructed from premium alloy for heat resistance and durability\u003c\/li\u003e\n\u003cli\u003eEngineered to operate reliably under 8000 RPM\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for perfect fit and sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for high-stress racing environments\u003c\/li\u003e\n\u003cli\u003eHelical cut or reinforced stems for added strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThese 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.\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\nThe 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.\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nInstallation 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.\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThis product includes a single exhaust valve, ready for installation as part of your engine rebuild or upgrade. Additional hardware or components are not included.\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\nThis 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.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635929317663,"sku":"11171-1","price":24.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/group-9bbf2521-9d90-4653-83d5-f4bdc14f8ca6-800_0cab0352-f5fe-4af0-b5f7-73dfb9e8104d.jpg?v=1771149040","url":"https:\/\/shop.wheelflip.com\/products\/manley-subaru-wrx-ej205-sti-ej257-33mm-race-master-exhaust-valve-single","provider":"WheelFlip","version":"1.0","type":"link"}