Eventuri Chevrolet Corvette C8 ZR1 Hard-Top Convertible Black Carbon Intake System

Eventuri Chevrolet Corvette C8 ZR1 Hard-Top Convertible Black Carbon Intake System

Part # EVE-ZR1HTC-CF-INT

The Eventuri Chevrolet Corvette C8 ZR1 Hard-Top Convertible Black Carbon Intake System represents a comprehensive re-engineering of the LT7 intake architecture, delivering performance gains rarely achieved from an intake system alone. Developed from the ground up using advanced CFD analysis, dyno validation, and iterative prototyping, this system addresses the inherent airflow limitations of the OEM design while significantly increasing volumetric efficiency and turbocharger response.

Performance Gains

Mid-Range Gain: 110whp / 108ft-lb
Peak Gain: 36whp / 101ft-lb
Building on Eventuri’s proven C8 Stingray and Z06 systems, the ZR1 intake introduces a significantly larger intake architecture unconstrained by the factory trunk panel. By eliminating this restriction, Eventuri was able to design a high-volume, organically shaped intake system paired with enlarged turbo inlet tubes, each offering approximately 30% greater internal volume compared to OEM. This increase in cross-sectional area reduces pressure drop, allowing the turbochargers to achieve target boost levels more efficiently and earlier in the RPM range.

The OEM airbox, derived from the LT6 Z06 platform, becomes increasingly restrictive when paired with the higher-output LT7 engine. Eventuri’s solution replaces this with a fully carbon fiber intake system utilizing their patented Venturi housing technology. This design optimizes airflow velocity while maintaining laminar flow conditions through the intake tract, reducing turbulence and improving charge consistency to each turbocharger.

Engineering and Development

CFD analysis was conducted extensively to refine internal geometry and airflow behavior. The intake transitions turbulent upstream air into a smooth, linear flow path through the MAF sections and into the turbochargers. The result is increased velocity without sacrificing flow stability, ensuring consistent and repeatable performance gains across the entire RPM range.

Dyno testing was carried out in a controlled environment using a stock C8 ZR1. Baseline runs were conducted at stabilized temperatures, followed by installation of the intake system and repeated runs under identical conditions. Even with higher ambient temperatures during post-installation testing, the intake delivered substantial gains, particularly in the mid-range around 5300 RPM, where increases of up to 110whp and 108ft-lb were recorded.

System Components

Carbon Fiber Double Venturi Filter Housing
Bespoke High-Flow Dry Cone Filters (ISO tested)
Carbon Fiber Inlet Ducts with Neoprene Sealing
Carbon Fiber Turbo Tubes (30% increased internal volume)
Clear Polycarbonate Trunk Panel (HTC-compatible)
Silicone Couplers and Custom Flexible Hoses
Laser-Cut Stainless Steel and Aluminum Brackets
Custom Inlet Flanges for sealed cold air feed integration
Patented Venturi Housing

The core of the system is Eventuri’s patented double Venturi filter housing, which merges dual airflow paths into a centralized high-volume chamber. As airflow transitions through the housing, the gradually reducing cross-sectional area accelerates velocity while maintaining laminar flow characteristics. This principle, similar to a velocity stack, ensures efficient air delivery to each turbocharger while minimizing drag and turbulence.

Turbo Tube Optimization

The factory turbo inlet tubes were identified as a major restriction point. Eventuri redesigned these components with a 30% increase in internal volume and a more progressive curvature, maintaining a consistent cross-sectional area throughout the flow path. This reduces restriction and improves turbo efficiency, particularly under load and in mid-range acceleration.

Thermal Management and Airflow Control

Carbon fiber inlet ducts channel ambient air directly from the side vents into the intake system. These ducts are sealed to the filter housing using a neoprene gasket and multi-point mounting system to prevent heat soak from the engine bay. Combined with sealed inlet flanges and flexible hose connections, the system maintains a consistent supply of cold air under all driving conditions.

Clear Trunk Panel Integration

To accommodate the increased intake volume, Eventuri redesigned the factory trunk panel using clear polycarbonate. This allows for the required internal space while maintaining full functionality of the Hard-Top Convertible roof system. The transparent panel also provides a direct view of the intake system, transforming the engine bay into a visual focal point.

Product Details

SKU: EVE-ZR1HTC-CF-INT
100% pre-preg carbon fiber construction with no fiberglass
Patented dual Venturi intake housing design
30% increased turbo inlet tube volume vs OEM
CFD-optimized airflow path for reduced turbulence and increased velocity
Clear polycarbonate trunk panel (HTC compatible)
ISO-tested dry filtration system
Designed and developed through extensive dyno and real-world testing
Uses two replacement filters EVE-661-G2-FTR
Vehicle Applications

Chevrolet Corvette C8 ZR1 Hard-Top Convertible
Chevrolet Corvette C8 ZR1X Hard-Top Convertible 
Notes

Please confirm Coupe or Hard Top Convertible (HTC) application before ordering
Some installed images may show alternate configurations
Designed to work with factory cold air feeds and turbo connections
This item is not eligible for return
Warranty coverage and damage-in-transit support are fully provided.
Designed and hand-assembled in the UK

RETURNS

• Returns are accepted within 30 days after confirmed delivery of the item.
• There will be a 20% restocking fee assessed for all items returned. Restocking fee may be waived depending on a case by case situation. If there are any more questions or concerns, please contact us immediately for more info on restocking fees.
• If you would like to return an item please contact us as soon as possible, and after approval of a return we will give you instructions on how to complete the return.
• ***ALL RETURNED ITEMS MUST BE IN BRAND NEW CONDITION.
• The buyer is responsible for all return shipping fees unless previously discussed with our sales team.
• After the returned item has been received we will check the item to verify and once approved you can expect your refund within 3-5 business days or sooner.
• ALL RETURNS ARE ONLY ACCEPTED IF ITEMS HAVE NOT BEEN INSTALLED ON THE VEHICLE, ALTERED, TAMPERED AND OR DAMAGED BY INSTALLING PARTY. *** PLEASE CHECK ITEMS THOROUGHLY BEFORE INSTALL!
• Special ordered items that have been shipped are NOT ELIGIBLE FOR RETURN! Please contact us before purchasing for more information.

ORDER CANCELLATIONS

• You may cancel your order before it has been processed and shipped out and receive a full refund.
• If you would like to cancel an order after the item(s) have been shipped out your item is subject to the 20% restocking fee.