Banks Power Monster Exhaust System, 5in DPF-Back, Chrome Tip
Fits 2024-2026 6.6L Duramax V8 (L5P, updated)
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Price tracked 9 times since Jul 25, 2026: low $598, high $598, currently $598.
Requires: Single Rear Wheel (SRW) only. Banks explicitly states this kit does not fit Dual Rear Wheel (dually) trucks.
where to buy · 2 retailers tracked
A 5-inch stainless steel exhaust that replaces everything from the diesel particulate filter (DPF) back, flowing better than the stock 4-inch system while leaving the DPF, catalyst and DEF/SCR emissions hardware completely stock.
why this one — The only 5-inch DPF-back system Banks publishes for the 2024-2026 Sierra HD, and its Exhaust Pressure Control Module is a documented SKU-specific feature that prevents false power-derate codes rather than a generic pipe swap. Honest downside: Banks states it does not fit Dual Rear Wheel trucks, so Sierra 3500HD dually owners are excluded.
Banks publishes no hp/tq figure for this SKU. The claim is reduced backpressure and lower exhaust temperature during regen, not horsepower.
Questions about this category
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.