Banks Power
Banks Power 01-03 GM 8.1 Mh - W20/22 (L-Exit) PowerPack System
SKU: B003 49558
Description
Part #: 49558
Ultimate RV Power System. Everything needed for dramatic power gains. Pass, merge, and climb effortlessly. Adds up to +70 hpand +92 lb-ft (rear wheel), optimizes mileage and durability.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.
Features:
- Pass, merge, & climb effortlessly, +70hp/+92lb-ft
PowerPack Bundle for 2001-2003 GM Class-A Motorhome 8.1L, W20/W22, Driver-side tailpipe exit
Fitment
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Specifications
| Brand | Banks Power |
| Part Number | B003 49558 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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