CSF Racing Charge Air "Super" Intake ManifoldAll the Features You Need to Push the Limits CSF is proud to announce its most advanced cooling system to date the new Charge Air Cooler Manifold for A90 A91 Toyota Supra and BMW G Series (B58). With well over 1,500 hours of design, prototype development, machining, and testing, CSF, along with partners VF Engineering (USA) and Custom Plenum Creations (Australia), has now brought a state of the art CNC machined, high performance Charge Air Cooler