The BBK 91-99 Jeep 4.0L Short Tuned Length Header is a high-performance exhaust component designed as a direct fit replacement for all Jeep 4.0L models from 1991 to 1999. Constructed with 1-1/2 inch CNC mandrel bent tubing, this header ensures unrestricted exhaust flow, resulting in increased horsepower and torque compared to factory OEM manifolds. The tuned length design promotes improved scavenging waves for better combustion efficiency, which enhances overall engine performance and fuel economy. Featuring a 3/8 inch laser-cut flange for added strength and a leak-free fit, all headers are robotically and hand welded, then pressure tested for durability and reliability. Available finishes include Titanium Ceramic or Polished Silver Ceramic coatings, and each kit includes new exhaust header gaskets and hardware for installation.
This header is compatible with 1991-1999 Jeep Cherokee, Grand Cherokee, and Wrangler models equipped with the 4.0L engine, both 2WD and 4WD variants. It serves as a direct replacement for stock manifolds, offering improved exhaust flow and performance benefits for street and off-road use. Designed for easy bolt-on installation, it is ideal for enthusiasts seeking increased power and efficiency from their Jeep. The kit includes all necessary components for a complete upgrade, ensuring a seamless fit and reliable operation across various driving conditions.
