Banks Power 20-21 Chevy/GMC 2500/3500 6.6L Monster Sport Exhaust System - 48997

5-inch aluminized steel constant-diameter DPF-back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15%. Improves flow and cuts backpressure by 89% from the DPF and 9% at the turbine inlet, allowing the engine to produce more horsepower.