
Key Features & Specs:
Fitment:
The Kooks Headers 1151H422 Header and Connection Kit is engineered for 2015-2024 Ford Mustang GT and Dark Horse models equipped with the 5.0L 4V V8 engine. This performance exhaust upgrade includes 1-7/8" x 3" stainless steel long tube headers paired with performance catted connection pipes and OEM adapters for seamless integration with the factory exhaust system. Built from durable 304 stainless steel, the system features 3/8" thick laser-cut flanges, mandrel bent primaries, and 3" collectors with Kooks’ patented scavenging spike to improve exhaust velocity and performance. The kit also includes 400-cell high-flow catalytic converters and all required installation components including gaskets, oxygen sensor extension harnesses, clamps, and hardware.