GrandSport C8 Corvette 6.6L 1000HP Twin Turbo Installed Package

Unleash 1000+ hp from your stock C8 Corvette with BoostDistrict's GrandSport 6.6L Twin Turbo package!

As shown in our Youtube video, Running pure 93-octane fuel, this combo setup catapults you to 4.43-second 60-130 mph sprints on an ERAY and 4.61 on Stingray. This package runs a strong 930+ rwhp (1100+awhp ERAY) .

Our proprietary ECU coding—featuring boost control, anti-lag, 2-step ignition cut, flex-fuel mapping, and precision boost management—transforms your Stingray or ERAY into a street terror without sacrificing reliability.  Built for drivers who demand serious power and aren't afraid to use it.  These features propels BoostDistrict on the C8 market that no other shops can match- we develop our own software for these cars to enhance power, drivability, reliability, and the respect it deserves on the streets.

Note: Center Exit conversion is additional $4500. Standard option includes side exit ERAY/Stingray style exhaust. 

Key Highlights

• 1000+ HP Potential
  Precision 6466 twin turbos, robust fueling, and supporting mods let you push the envelope to quadruple-digit power.

What’s Included?

1. Precision 6466 Twin Turbos
2. Air-to-Water Intercooler
3. Hotside & Cold-Side Piping
4. Precision Wastegates & Blow-Off Valves
5. Preassembled Oil Scavenge Pump
6. Couplers, Clamps & All Necessary Hardware
7. ECM Unlock & Tuning

Pricing & Deposit

• Installed & Tuned: Starting at $65,000
• DIY Mailout: $58,650 including calibration and ECU unlock
• Non-Refundable Deposit: $5,000 secures your calendar slot and parts allocation (applied to final invoice)

Want to hear it in action? Watch the video below.

How to Schedule

Have questions or want to secure your spot on our build calendar? Contact us or  Click here and start the deposit calendar process

• Email: installs@boostdistrict.com
• Call: (817) 210-6699

NOTE: Power output may vary based on tuning parameters and vehicle conditions. Contact us with questions about specific horsepower expectations. Power is under optimal conditions with 93 octane fuel, rated at flywheel. Results may vary due to conditions, octane and dyno type.  

Harness a True 1000HP+ Beast

Experience mind-blowing acceleration and unstoppable performance with the BD Grand Sport Twin Turbo Package. From street dominance to track-day heroics, this system is your ticket to four-digit horsepower in the C8 Corvette—delivered with OEM-grade fitment and hassle-free reliability. Secure your spot or order the kit today and feel the adrenaline surge!