Hennessey has recently introduced the HPE800 supercharged upgrade for the Mustang GT350 and GT350R.

The upgrade components for the 5.2-liter V8 include:

• 2.9 Liter Supercharger System

• 11.0:1 compression forged aluminum pistons with steel wrist pins

• Forged steel connecting rods

• Carbon Fiber High Flow Air Induction

• Upgraded Fuel Injectors

• Upgraded Fuel Pump System

• Carbon Fiber Coilpack Covers

• All Necessary Gaskets & Fluids

The HPE800 Shelby GT350 packs 808 hp and 657 lb-ft of torque. That 808 hp is almost 300 more hp than the stock versions 526 horsepower. The power upgrade launches the HPE800 GT350 0-60 mph in 3.3 seconds and can run a quarter-mile in 10.8 seconds at 133 mph.

The HPE800 upgrade is limited to 50 units for 2016.