JBA 1618S 11-17 Ford Mustang 3.7L V6 JBA Performance Exhaust Shorty Headers If you are looking for a way to boost the performance and sound of your Mustang, you should consider upgrading to the JBA 1618S shorty headers. These headers are designed to replace the restrictive stock manifolds and improve the exhaust flow and efficiency of your engine. They are made of durable stainless steel and feature JBA’s patented Firecone collector technology for maximum horsepower and torque gains. Key Features: Mandrel-bent stainless steel primary tubes for optimal flow and durability Proprietary JBA Firecone collector for increased power and reduced backpressure Factory style emission connections for easy installation and compatibility Extra thick collector domes and 3/8" thick machined flanges for a leak-free seal Oversized exhaust ports to accommodate cylinder head porting Available with two optional coatings: silver ceramic or titanium ceramic for enhanced corrosion protection and thermal barrier Benefits: Increased horsepower and torque throughout the RPM range Improved throttle response and acceleration Enhanced exhaust tone and volume Reduced underhood temperature and improved engine cooling Compatible with stock or aftermarket catalytic converters and exhaust systems Covered by JBA’s limited lifetime warranty Product Specs: Header Style: Shorty Header Material: 409 stainless steel Primary Tube Outside Diameter: 1 5/8 in. Header Color: Natural Flange Style: Standard Collector Attachment: Stock flange Collector Diameter: 2.50 in. O2 Sensor Bungs Included: Yes CARB EO Number: D-57-36 Install Difficulty Level: The installation of the JBA 1618S shorty headers is relatively easy and can be done in about 3 hours with basic hand tools. You will need to disconnect the O2 sensors, remove the stock manifolds, install the new headers with the supplied hardware and gaskets, reconnect the catalytic converter pipes and the O2 sensors, and check for leaks. No cutting or welding is required. Vehicle Fitment: The JBA 1618S shorty headers fit the following vehicle applications: 2011-2017 Ford Mustang 3.7L V6 If you have any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.