Banks Power 15 Ford 6.7L F250-350-450 CCSB/CCLB SRW Monster Exh Sys - SS Single Exh w/ Chrome Tipoptimizes mileage and durability. The Banks Monster Exhaust is engineered using computational fluid dynamics (CFD) software then tested on both dyno and on road. Reducing backpressure allows the engine to expel spent gasses with less effort. Less pumping loss means more horsepower, lower exhaust exit temps, and improved fuel economy. The Monster Exhaust system cools while flowing up to 80 percent better than stock! Cooling without killing flow is a