Stinger's upgrades reshape the fuel curve to match the improved airflow.;Top gains:^Up to +61 hp and +110 lb-ft (rear wheel)^Up to 6% more MPG^Longer engine lifePICKUP: Get robust performance at a modest cost. Banks Stinger provides best gains +61 hp and +110 lb-ft torque with a bonus improvement of 6% more miles-to-the-tank. Banks OttoMind engine calibration module changes the shape of the fuel curve to match the improved airflow and optimize power right up to the shift points.;Includes:^Lifetime Banks Ram-Air filter and service kit^OttoMind engine-calibration module* (Stinger calibration)^Stainless, heat-shielded 3-1/2 inch constant-diameter Monster tailpipe^4 inch polished-stainless tailpipe tip^TransCommand transmission-management (automatics)^DynaFact pyrometer and boost gauge assembly.;Test vehicle: 1997 F-250 heavy-duty crew-cab pickup, 4-wheel drive, 4.10 gear ratio.^Solo vehicle weight: 6,850 lbs. Towing combined vehicle weight: 17,480 lbs.^Horsepower and torque measured at rear wheels.;1995 Power Stroke variations: Ford trucks for model year 1995 fall into two categories: early 1995 and late 1995. It is important to know the specific model: Early 1995 model year - little or no straight section at muffler outlet, where it connects to tailpipe. Late 1995 model year - appx. 3 inch straight section at muffler outlet, where it connects to tailpipe.