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Stinger® SystemTruck-work

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 OttoMind 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 & service kit, filter housing cover, large-sized tubing, and adapter; OttoMind Programmer (available for '01-05 models); Stainless, constant-diameter Monster exhaust with 4" tailpipe; Polished-stainless, 5" double-wall tailpipe tip with rolled edge; Comprehensive Owner's Installation Manual.

Motorhome Power

Gasoline: GM 8.1L Workhorse, '01-06

Test vehicle: 2004 Workhorse W-22, GM 8.1L V-8

Transmission: 5-speed Allison

Stinger System
with OttoMind		StockBanksImprovementResults
Horsepower: Best gain (hp) 197.0
@3300 rpm		 232.0
@3300 rpm		 +35.0 hp 18% more
Horsepower: Peak-to-peak (hp) 222.2
@4200 rpm		 257.0
@4200 rpm		 +34.8 horsepower 16% more, peak-to-peak
Torque: Best gain (lb-ft) 313.5
@3300 rpm		 369.2
@3300 rpm		 +55.7 lb-ft torque 18% more (3300 rpm)
Torque: Peak-to-peak (lb-ft) 314.2
@3400 rpm		 369.2
@3300 rpm		 +55.0 lb-ft torque 18% more, peak-to-peak
Acceleration, 0-60 mph Time (sec) 23.08 20.47 -2.61 sec 11% quicker
Acceleration, 0-60 mph Distance (ft) 1,252 1,100 -152 ft 12% less
Acceleration, 40-60 mph Time (sec) 11.12 9.75 -1.37 sec 12% quicker
Acceleration, 40-60 mph Distance (ft) 831 727 -104 ft 13% less
Maximum speed, hill-climb (mph) 6% grade 57
(3rd Gear)		 63
(3rd Gear)		 +6 mph 11% faster
Fuel Economy (mpg) 55-MPH, 7% grade 2.68 2.96 +0.28 mpg 10% better
Fuel Economy (mpg) 70-MPH, 0% grade 7.19 7.54 +0.35 mpg 5% better
ApplicationYear RangePart #
Stinger System
P-series chassis | GM 4-speed trans | Driver-side tailpipe exit		2001-04 49550
Stinger System
W-series chassis | Allison trans (all) | Driver-side tailpipe exit		2001-08 49552
Stinger System
W-series chassis | Allison trans (all) | Passenger-side tailpipe exit		2001-08 49553
Stinger System w/OttoMind
P-series chassis | Driver-side tailpipe exit		2003-04 49565
Stinger System w/OttoMind
W-series chassis | Driver-side tailpipe exit		2001-02 49566
Stinger System w/OttoMind
W-series chassis | Passenger-side tailppipe exit		2001-02 49567
Stinger System w/OttoMind
W-series chassis | Driver-side tailpipe exit		2001-07 49568
Stinger System w/OttoMind
W-series chassis | Passenger-side tailpipe exit		2001-07 49569
Exhaust extension kit
Exhaust extension kit | P-series | 190" wheelbase		2001-04 53681
Exhaust extension kit
Exhaust extension kit | P-series | 208" wheelbase		2001-04 53682

Owners Manual(s)

Exhaust Extension Kit 2005 (Class-A, Workhorse chassis, W-series) (Part #96428)
 Tech_icon Download
Stinger & PowerPack systems (00-07) (Part #96431)
Class-A, Workhorse chassis, W-series		 Tech_icon Download
Stinger & PowerPack systems (Class-A, Workhorse chassis, P-series) (Part #96432) Tech_icon Download
Stinger & PowerPack systems (Class-A, W-24 chassis, 2005 & Later) (Part #96438) Tech_icon Download

RV Today features Banks

It's an old episode but what Gale explains about the principles of improving the performance in your RV still applies today.

Accolades

“Gale Banks Engineering is one of the world's foremost long-distance engine builders, as well as single and twin turbocharger designers and racers.”
Super Chevy