JBA 67-70 Ford Mustang 390-428 FE 1-3/4in-2-1/2in Primary Silver Ctd Tri Y Header

JBA is well-known for exhaust components that focus on performance, and these Tri-Y headers for your 1967-1970 Ford Mustang with a 390-428 FE engine are a prime example. If you're looking to get the most out of your classic Mustang's big-block V8, these headers are designed to help you achieve significant gains in horsepower and torque, especially at higher engine speeds. They are built with large diameter, mandrel-bent 304 Series stainless steel primary tubes that ensure smooth airflow into the oversized exhaust ports.

What really sets these headers apart is the JBA Firecone® merged collector. This patented design features a longer, concave shape that helps merge the exhaust gases smoothly, reducing turbulence and improving flow efficiency. The headers also come with extra-thick 3/8 inch one-piece flanges, which are CNC laser-cut for a precise fit and a solid seal against the cylinder heads. This construction, combined with the 304 stainless steel tubing and collector, means these headers are built to withstand tough conditions and resist corrosion, making them a lasting investment for your Mustang. They are also designed to provide maximum ground clearance, which is important for keeping the collectors from dragging, even on lowered vehicles.

This system includes all the necessary high-quality hardware and detailed instructions to help ensure a professional, no-leak installation. Please note that these headers are intended for closed-course competition use only and are not CARB approved, meaning they cannot be shipped to California. They also carry a Prop 65 warning.