Optimizes airflow, air density, continuous power & MPG. Honors the host vehicle & improves longevity. Total Power System for Towing & Work. Budget-minded Stinger's upgrades reshape the fuel curve to match the improved airflow. With top gains of up to +68 hp and +128 lb-ft (rear wheel), 10 percent more towing MPG and longer engine life. Banks OttoMind engine calibration module reshapes the fuel curve to match the improved airflow, to give you a more efficient engine that optimizes power right up to the shift points. Test vehicle: 1999 F-350 crew cab dually, 2-wheel drive, 4R100 4-speed automatic trans. Towing combined vehicle weight: 20,000 lbs. Horsepower and torque measured at rear wheels. Fitment Notes: Some vehicle configurations require an extension kit for proper fit. 1999 Power Stroke variations: Ford trucks for model year 1999 fall into three categories: 1999, early 1999.5 and late 1999.5. It is important to know the specific model. Check the build date on the tag inside the driver's door, then match: 1999 model year (built prior to 1/99 with catalytic converter), Early 1999.5 model year (built prior to 1/99, no catalytic converter, intake manifold has 2 inch-diameter inlets), Late 1999.5 model year (built on or after 1/99, no catalytic converter, intake manifold has 3 inch-diameter inlets). 1999-2003 F-350 cab-and-chassis (no bed) trucks: If fuel tank is behind rear axle of the vehicle, use systems for F-450/550 trucks. Pickups other than standard-cab long-bed or extended-cab short-bed require Exhaust Extension Kit. Stinger not available for 2001-2003 (275 hp) pickups. Key Features: Optimizes airflow, air density, continuous power & MPG. Honors the host vehicle & improves longevity. Total Power System for Towing & Work. Gain up to +68 hp/+128 lb-ft. 10% more towing MPG. Longer engine life. Cerakote Black tip

Genuine Banks Power. Part number 47516-B.

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WARNING: California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.