Banks Power 15-16 Ford 6.7L F250-350-450 CCSB/CCLB Monster Exh Sys - Single Dual Exh w/ Black Tip4 inch constant diameter DPF back. Improves flow and cuts back pressure by nearly 40 Percent. Safely clears the spare tire, shocks and brake lines. Chrome or Cerakote Black tip. Reducing backpressure allows the engine to expel spent gasses with less effort. Less pumping loss means more horsepower, lower EGTs and improved fuel economy. The Monster Exhaust system cools while flowing up to 40% better than stock! Cooling without killing flow is a major