Corvette C7 Magnuson 2650 Deckel DSX Tuning
Magnuson TVS2650R supercharger and DSX Tuning hardware is considered the “gold standard” for high-horsepower C7 Corvette builds. For your inventory or a client’s project, focusing on the Supercharger Lid (Deckel) is key, as it addresses the two biggest hurdles of the C7 platform: clearance and heat soak.
1. Magnuson TVS2650R (The Base Unit)
The “2650” refers to the 2650cc displacement of the Eaton TVS rotors.
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Performance: It is capable of supporting over 1,100+ RWHP with supporting modifications (fueling/cam).
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Direct Bolt-on: Unlike some smaller units, the 2650 is designed to replace the factory LT4 1.7L blower entirely. It includes massive internal charge-air coolers that are significantly more efficient than the stock “bricks.”
2. The DSX Tuning Billet Lid (Deckel)
The standard cast lid that comes with the Magnuson 2650 can be a tight fit under the factory C7 Z06 hood. This is where the DSX Tuning Billet Lid becomes an essential upgrade:
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Clearance: It is CNC-machined from 6061-T6 billet aluminum with a lower profile. This allows the 2650 to fit under the stock C7 hood even when using Port Injection plates (which space the blower upward).
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Internal Volume: Despite being lower profile externally, the internal “plenum” volume is increased by roughly 31%. This allows the compressed air to transition more smoothly into the intake ports, reducing turbulence.
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Aesthetics: It eliminates the industrial “ribbed” look of the cast lid for a clean, luxury billet finish that can be custom powder-coated.
3. DSX Tuning & Cooling Support
To maximize this setup, DSX Tuning provides the critical “supporting cast” items that you should consider bundling:
| Component | Function | Why it’s needed |
| Billet Water Blocks | Replaces plastic coolant inlets. | Higher flow rate for the intercooler fluid; won’t crack under high heat. |
| Auxiliary Fuel System | Adds a secondary fuel pump. | The LT4 high-pressure pump maxes out quickly; this supports the extra 2650 airflow. |
| MAP Sensor Adapter | Relocates/Adapts sensors. | Ensures the factory ECU can accurately read the higher boost levels (20+ PSI). |
4. Technical Checklist for Buy Mustang parts Ltd
If you are sourcing or listing these components, verify the following specifications for your customers:
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Generation Check: Ensure the lid is the Gen 2 version from DSX. The Gen 2 has optimized wall thickness (4mm) and is nearly 4 lbs lighter than the cast version.
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Hood Liner Note: While the DSX lid clears the C7 hood, customers usually need to remove the under-hood liner or trim it slightly for 100% rub-free clearance.
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Gaskets: The DSX Billet Lid is designed to reuse the OEM Magnuson perimeter gasket, but for a luxury sale, including a fresh set of viton O-rings is a professional touch.
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