Add to Cart The item has been added Banks Power 17-19 Chevy Duramax L5P 2500/3500 Monster Exhaust System - 48996 5" 409 stainless steel constant-diameter DPF-back system with negative backpressure SideKick tip. 85% less backpressure and 15% lower exhaust exit temps than stock, allowing the engine to produce... $610.00 $549.00 Add to Cart The item has been added Compare