Description
High-Performance Exhaust Upgrade. The 1-7/8-Inch Long Tube Headers with GREEN Catted X-Pipe is designed to significantly improve exhaust flow and enhance engine performance for the 2011-2014 Shelby GT500 5.4L/5.8L 4V engines. This combination increases horsepower and torque by reducing exhaust restrictions while maintaining OEM emissions compliance with the GREEN catted X-pipe.
Construction and Appearance. Crafted from premium 304 stainless steel, these long tube headers and X-pipe feature durable and corrosion-resistant construction. The headers have a 1-7/8-inch tube diameter flowing into a 3-inch outlet, paired with a 3-inch by 2-3/4-inch GREEN catted X-pipe, ensuring both performance and longevity in a polished or raw stainless finish.
Installation. Installation requires moderate mechanical skills and does not require drilling, as the kit is designed to directly replace the factory exhaust components. Professional installation is recommended to ensure optimal fit and performance.
Warranty. This product is backed by a limited warranty covering manufacturing defects for a specified period.
Application. Specifically engineered for the 2011-2012 Mustang Shelby GT500 5.4L and 2013-2014 Mustang Shelby GT500 5.8L 4V engines, ensuring precise fitment and tailored performance gains for these models.
Kooks 1142H430
CA Residents: WARNING: Cancer and Reproductive Harm
- Header And Connection Kit
- 2011-2014 Ford Shelby GT500 5.4L/5.8L 4V
- Includes 1-7/8″ X 3″ Stainless Steel Long Tube Headers
- Includes 3″ X 2-3/4″ GREEN Catted X-Pipe (OEM style)
- Material 304 Stainless Steel
- Tube Diameter 1-7/8 Inch
- Fits 2011-2012 and 2013-2014 Mustang Shelby GT500
| Brand | Kooks |
| Header Type | Long Tube Headers |
| Header Primary Size | 1.76-2.00 Inch |
| Header Collector Size | 3.00 Inch |
| Header Finish | Raw |
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