Last year, we sampled Hennessey's 700 horsepower version of the Cadillac CTS-V, and quite frankly, it frightened us. As Jonny Lieberman said at the time, "we simply weren't prepared for the fury of the V700."

Of course, adding a little under 150 horsepower to the CTS-V is just getting started for Hennessey. The Texas tuner has just released a preview of its upcoming Twin-Turbo CTS-V Coupe model packing no less than 1,000 horsepower. The heart of the car is a 427 cubic-inch LS V8 featuring upgraded internals like forged low compression pistons, forged steel connecting rods, forged steel crank and ARP main studs and head bolts. A set of dual ball bearing turbochargers packs atmosphere into the combustion chambers, assisted by high-flow cylinder heads. Additional upgrades include items like 15-inch carbon ceramic brakes, a fortified transmission, lowered suspension and Hennessey's CarbonAero widebody kit. As a bonus, buyers will also receive a one day track experience with retired General Motors test driver supreme John Heinricy.

Hennessey plans to build just 12 of the V1000 Twin-Turbos, and pricing has not yet been released. You can view the full list of V1000 features and upgrades after the jump.
Hennessey V1000 Twin-Turbo Features:

• 1,000 bhp @ 6,400 rpm
• 950 lb-ft torque @ 4,000 rpm

• 0-60 mph: 3.5 seconds
• 1/4 Mile: 10.9 @ 136 mph
• Top Speed: 230 mph

V1000 Twin Turbo Upgrade Includes:
• 427 cid LS V8 Engine
• Forged Low Compression Pistons
• Forged Steel Connecting Rods
• Callies 4340 Forged Steel Crank
• Balanced and Blueprinted Rotating Assembly
• ARP Main Studs & Head Bolts
• High Flow Cylinder Heads
• Hennessey V1000 Camshaft
• Upgraded Fuel Injectors
• Upgraded Fuel System (Includes Lines, Rails & Pump)
• Twin Ball Bearing Turbochargers
• Dual Wastegates
• Electronic Boost Controller
• Stainless Steel Piping and Exhaust
• Air-to-Air Intercooler
• High-Flow K&N Air Filter
• 160 Degree Thermostat
• Professional Installation
• HPE Engine Management Calibration
• Dyno Tuning & Road Testing
• Hennessey Exterior Badging
• Serial-Numbered Dash & Engine Plaques
• 1 Year / 12,000 Mile Limited Warranty

• Manual: Centerforce Dual Friction Clutch Upgrade
• Automatic: Performance Build & Torque Converter Upgrade

• Brembo Carbon Ceramic Brake Upgrade
• 15.1 inch Carbon Ceramic Rotors (Front & Rear)
• Calipers: 8-Piston (Front); 6-Piston (Rear)

Wheels & Tires:
• Hennessey Monoblock Wheels
• 20x10 inch (Front); 20x13 inch (Rear)
• Michelin Pilot Super Sport Tires
• 275/30YR-20 (Front); 345/30YR-20 (Rear)

• Lowered 1" (Front & Rear)
• Factory Magnetic Ride Control Tuned by John Heinricy

• CarbonAero CTS-V Widebody Upgrade
• Carbon Fiber Front Splitter
• Carbon Fiber Rear Diffuser
• Carbon Fiber Front Fenders
• Carbon Fiber Extractor Hood
• Carbon Fiber Rear Fender Flares

• Alcantara Headliner
• Carbon Fiber Door Sills
• Upgraded Leather & Stitching
• Hennessey Embroidered Heardrests
• Hennessey Premium Floormats

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