Banks Power 04-05 GM 8.1 Mh-W20/22 (L-Exit) PowerPack System

Banks Power is known for creating performance systems that help large vehicles like RVs handle better and perform more powerfully. This PowerPack system is designed to give your 2004-2005 GM 8.1L motorhome a serious boost in capability. It's built to help you pass, merge, and climb hills with much more ease, making those long trips more enjoyable and less of a strain on your engine.

At the heart of this system is a new Ram-Air intake that pulls in more air, making it denser and cooler for better combustion. This works hand-in-hand with a pair of stainless-steel TorqueTubes exhaust manifolds. These aren't just standard pipes; they're tuned to specific lengths to really improve torque output, especially when you need it most. Together, these components are expected to add up to 70 horsepower and 92 lb-ft of torque at the rear wheels. Beyond just power, this system is also designed to optimize your fuel economy and engine durability, without needing high-octane fuel.

This complete package includes the Ram-Air intake, the TorqueTube exhaust manifolds, a Monster Exhaust system, and a chrome tailpipe with a driver-side exit. You'll also get a heat shield and all the necessary hardware for installation. Keep in mind that some specific vehicle configurations, particularly P-series chassis with wheelbases over 190 inches, might need an extension kit for a proper fit, though W-series chassis typically do not. Please note this system is not CARB approved and cannot be shipped to California.