Fitment Information Ford Ranger 4.0L V6 (1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011)  Note Direct replacement for factory manifold, installation hardware kit included. Emissions Information This part is C.A.R.B Approved. EO Number Is D-57-33 Specs & Features Mandrel-bent Stainless Steel Tubes: Ensures optimal airflow and durability, enhancing throttle response. Proprietary JBA Firecone Collector: Maximizes horsepower and torque gains with proven race technology. Factory Style Emission Connections: Simplifies installation with connections that match your factory parts. Extra Thick Collector Domes: Prevents leaks and distortion, ensuring long-lasting performance. JBA Badge: Guarantees authentic JBA quality for reliable performance. 3/8 Thick Machined Flanges: Resists warping, prevents leaks, and simplifies installation. Oversized Exhaust Ports: Increases airflow and accommodates cylinder head porting for enhanced performance. Product Description JBA's shorty headers stand out as top-notch performance enhancements for any vehicle. Hot Rod magazine ranks headers among the top 10 power-boosting components. Compared to stock manifolds, JBA shorty headers are much less restrictive, delivering significant power and efficiency boosts to engines. JBA's original shorty design builds on the traditional long tube header, offering hot rodders and enthusiasts the performance gains they crave. Crafted from durable stainless steel, these headers endure the rigors of racing, towing, and everyday driving. Equipped with robust features like the JBA Firecone collector, they outshine competitors, ensuring superior power output. Each package includes premium hardware and detailed instructions for a leak-free, professional installation.