Banks Power
Banks Power 01-08 GM 8.1 Mh-W - All (R-Exit) Stinger System
SKU: B003 49553
Description
Part #: 49553
Optimizes airflow, air density, continuous power & MPG. Honors the host vehicle & improves longevity. Delivers top gains of +51 hp and +68 lb-ft torque, plus better fuel economy. (2001-2002 and 2004-2010 models only) Class-A Motorhome, W-Series and P-Series: Affordable stainless-steel Stinger includes Banks all-new Ram-Air intake system (available for W-Series only) that eliminates restrictions for effortless flow. Optional AutoMind Programmer removes the factory-imposed power delay so you'll have acceleration when you need it. Stinger delivers top gains of +51 hp and +68 lb-ft torque to the rear-wheels, plus better fuel economy. Because engine airflow is the central principle to Stinger and all Banks power-enhancement products, you'll have a more durable vehicle and longer engine life. Includes: High-flow Banks Ram-Air intake system (W-Series only) with Ram-Air filter, filter housing cover, large-sized tubing, and adapter, AutoMind Programmer (available for 2001-2005 models), Stainless, constant-diameter Monster exhaust with 4 inch tailpipe, Polished-stainless, 5 inch double-wall tailpipe tip with rolled edge, Comprehensive Owner's Installation Manual. Motorhome Power. Gasoline: GM 8.1L Workhorse. Test vehicle: 2004 Workhorse W-22, GM 8.1L V-8. Transmission: 5-speed Allison.
Features:
- Gain +51 hp & +68 lb-ft torque, plus better MPG
Stinger Bundle for 2001-2010 GM Class-A Motorhome 8.1L, W-Series, All, Passenger-side tailpipe exit
Fitment
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Specifications
| Brand | Banks Power |
| Part Number | B003 49553 |
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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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