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.
- Optimizes airflow, air density, continuous power & MPG
- Adds up to +70 hp and +92 lb-ft (rear wheel)
- Honors the host vehicle & improves longevity
- Pass, merge, and climb effortlessly
- CHROME tip
Emissions Compliant: D-161-75
US Patent #6,634,171 B1
Gasoline: GM 8.1L Workhorse
Test vehicle: 2004 Workhorse W-22, GM 8.1L V-8
Transmission: 5-speed Allison
|PowerPack® System with AutoMind||Stock||Banks||Improvement||Results|
|Horsepower: Best gain (hp)||222.2
|+70.2 hp||32% more|
|Horsepower: Peak-to-peak (hp)||222.2
|+70.2 hp||32% more|
|Torque: Best gain (lb-ft)||302.3
|+92.3 lb-ft||31% more|
|Torque: Peak-to-peak (lb-ft)||314.2
|+85.9 lb-ft||27% more|
|Acceleration, 0-60 mph Time (sec)||23.08||18.72||-4.36 sec||19% quicker|
|Acceleration, 0-60 mph Distance (ft)||1,252||1,001||-251 ft||20% less|
|Acceleration, 40-60 mph Time (sec)||11.12||8.84||-2.28 sec||21% quicker|
|Acceleration, 40-60 mph Distance (ft)||831||658||-173 ft||21% less|
|Maximum speed, hill-climb (mph) 6% grade||57
|+10 mph||18% faster|
|Fuel Economy (mpg) 55-MPH, 7% grade||2.68||3.26||+0.58 mpg||22% better|
|Fuel Economy (mpg) 70-MPH, 0% grade||7.19||7.78||+0.59 mpg||8% better|