{"product_id":"stainless-works-2011-14-mustang-gt-headers-1-7-8in-primaries-3in-x-pipe-high-flow-cats","title":"Stainless Works 1-7\/8in Primaries 3in X-Pipe High-Flow Cats | Mustang GT (11-14) (M12HDRCATX)","description":"\u003ch1\u003eStainless Works\u003c\/h1\u003e\n\n\u003ch2\u003eFits 2011–2014 Ford Mustang GT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e M12HDRCATX\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\nUpgrade your 2011-14 Mustang GT with Stainless Works high-performance headers designed to maximize exhaust flow and engine response. Crafted from durable TIG-welded 304 stainless steel, these headers feature 1-7\/8\" primary tubes that optimize exhaust scavenging, helping your vehicle achieve improved horsepower and torque. The system is engineered for enthusiasts seeking a combination of performance, durability, and a refined exhaust note, making it an ideal choice for those looking to enhance their Mustang’s overall driving experience.\n\nThis header and X-pipe assembly is tailored for Mustang owners who demand quality and performance. It seamlessly integrates with Stainless Works’ full exhaust systems, providing a 3\" diameter pathway that supports increased airflow and exhaust efficiency. The high-flow catalytic converters ensure compliance with emissions standards while maintaining optimal performance. Designed for bolt-on installation, this system offers a straightforward upgrade that can be installed with basic mechanical skills, making it suitable for both DIY enthusiasts and professional installers.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nThis system combines premium materials and thoughtful design to deliver reliable performance and longevity. Key features include:\n\n\u003cul\u003e\n\u003cli\u003eConstructed from TIG-welded 304 stainless steel for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003e1-7\/8\" primary tubes engineered for optimal exhaust scavenging and response\u003c\/li\u003e\n\u003cli\u003e3\" slip-fit collectors with merge spikes for smooth exhaust flow\u003c\/li\u003e\n\u003cli\u003eIncludes high-flow catalytic converters for emissions compliance and performance\u003c\/li\u003e\n\u003cli\u003eDesigned to connect seamlessly with Stainless Works Performance Connect exhaust systems\u003c\/li\u003e\n\u003cli\u003eRobust 3\" diameter piping for maximum exhaust flow and power gains\u003c\/li\u003e\n\u003cli\u003eLifetime guaranteed bolt-on system for lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\nThe headers feature precision TIG welding and 3\/8\" thick flanges to ensure a secure, leak-free seal. The merge spikes on the collectors help improve exhaust scavenging, contributing to better engine efficiency. The high-flow catalytic converters are designed to provide optimal emissions performance without sacrificing flow capacity, making this system both high-performing and environmentally considerate.\n\n\u003ch3\u003eDriving Feel \u0026amp; Feedback\u003c\/h3\u003e\n\nThis header and X-pipe setup enhances exhaust flow, resulting in a more aggressive sound and improved throttle response. The increased airflow supports better engine breathing, which can translate into noticeable gains in power and a more engaging driving experience. The system is designed to deliver a deep, resonant exhaust tone that complements the Mustang’s sporty character.\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\nDesigned for direct bolt-on installation, these headers require no modifications for compatible 2011-14 Mustang GT models. Proper installation may involve removing existing exhaust components and ensuring proper fitment of the high-flow cats and collectors. Basic mechanical skills and standard tools are sufficient for a straightforward upgrade.\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\nThe package includes the TIG-welded headers, high-flow catalytic converters, and slip-fit collectors with merge spikes, providing everything needed for a complete upgrade. Hardware and gaskets are typically included or recommended separately based on installation specifics.\n\n","brand":"Stainless Works","offers":[{"title":"Default Title","offer_id":51643471364383,"sku":"M12HDRCATX","price":2201.47,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/7f8a9ed223eca3a12bbb6a7876858625.jpg?v=1771327099","url":"https:\/\/shop.wheelflip.com\/products\/stainless-works-2011-14-mustang-gt-headers-1-7-8in-primaries-3in-x-pipe-high-flow-cats","provider":"WheelFlip","version":"1.0","type":"link"}