JBA 04-15 Nissan 5.6L VK56DE Oval Port 1-5/8in Primary Raw 409SS Cat4Ward Header

Performance Exhaust Upgrade. The JBA 1-5/8-Inch Short Headers are engineered to increase exhaust efficiency and enhance throttle response. Designed for Fits 2004-2015 Nissan Titan Models, these headers feature oversized exhaust ports and stock-style emission connections, making them a reliable bolt-on upgrade that boosts power while remaining emissions compliant. They deliver race-proven performance while maintaining street legality under CARB EO Number D-57-33. Crafted from mandrel-bent stainless steel tubing, these headers feature a raw metal finish and precision-engineered construction for durability and performance. The 3/8-inch-thick machined flanges resist warping and ensure a tight, leak-free seal, while the proprietary JBA Firecone collector improves flow and scavenging for consistent gains across the RPM range. These headers are a direct replacement and include gaskets and an installation manual for guidance. They install using existing mounting locations and hardware, requiring no drilling or fabrication. The adaptable design aligns with stock connections for a smooth and efficient upgrade process. Custom fit for 2004-15 Nissan Titan/Armada and Infiniti QX56 5.6L V8. Mandrel-bent 409 stainless steel primary tubes for the best flow, durability, and improved throttle response. Proprietary JBA Firecone® collector provides maximum horsepower and torque gains. Factory style emission connections make installation easier. Extra thick collector domes will not distort like lesser quality headers, leading to no leaks. 3/8" thick CNC laser-cut flanges resist warping, prevent leaks & make installation easier. Oversized exhaust ports increase flow and accommodate head porting.