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

SKU: gbe49561
Out of stock
Regular price $2,846.99

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

Banks PowerPack features a revolutionary new Ram-Air intake system that delivers greater airflow and air density for more power. A pair of stainless-steel, tuned-length TorqueTubes exhaust manifolds provide stunning torque output when you want it. Pass, merge and climb as you please: your PowerPacked coach won't break a sweat. Achieve best gains of +70 hp and +92 lb-ft torque at the rear wheels, with better fuel economy - and never require high octane. Important: Some vehicle configurations require an extension kit for proper fit. Note: Banks Ram-Air intake system available for W-Series only. P-series chassis with wheelbases over 190 inch require extension kit. W-series chassis do not require extension kit. Includes: Ram-Air Cold-Air Intake System, TorqueTube Exhaust Manifold System, Monster Exhaust System, Chrome Tailpipe, Heatshield, Banks Power Urocal, CARB Decal, Includes all necessary hardware. US Patent #6,634,171 B1
PowerPack Bundle for 2004-2010 GM Class-A Motorhome 8.1L, W20/W22, Passenger-side tailpipe exit
Fits W-series chassis Allison 5-speed trans No EGR Driver or Passenger-side tailpipe Exit


  • Pass, merge, & climb effortlessly, +70hp/+92lb-ft

  • Pass merge and climb effortlessly

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Number Of Boxes: 3
Regular Stock: false