Banks Power Boost Tubes for Turbo Engines 3.5" Mandrel-Bent Large Diameter

Banks Power Boost Tubes — 3.5" Mandrel-Bent Large Diameter Upgrade airflow, reduce boost loss, and unleash faster spool and more horsepower. Banks Power Boost Tubes are the largest charge-air pipes available, engineered for turbo engines that demand maximum flow and durability. Why Choose Banks 3.5" Boost Tubes Massive flow advantage: Constant 3.5" diameter delivers a hot-side flow area 68% larger and a cold-side flow area 24% larger than stock. Smooth mandrel bends: Minimize pressure drop for quicker turbo spool and improved boost retention. Rugged construction: Mandrel-bent aluminized steel resists fatigue; powder-coat finish adds corrosion protection. High-strength connections: Proprietary 5-ply silicone couplers and spring-loaded constant-tension clamps ensure leak-free performance under boost. OEM compatibility: Works with stock 6.7L Cummins intake components or pairs with the Banks 3.5" Monster-Ram for maximum mass airflow. Replace restrictive, crush-bent factory pipes and plastic components with durable, full-diameter tubing designed to maximize turbo efficiency and engine power. Ideal for enthusiasts seeking reliable, bolt-on performance gains. Features: 3.5" constant tubing, aluminized steel, mandrel-bent smooth bends, 5-ply silicone couplers, spring clamps, powder-coated finish.