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Track-ready, aero-optimized hardtop for your Lotus Exige S2 — designed to improve airflow, engine cooling, reduce weight, and deliver an aggressive motorsport appearance.
Wide Ducted Hardtop for Lotus Exige S2 (2005–2011)
Product Overview
Engineered for the track and refined for the road, the Kepla Wide Ducted Hardtop is a premium aerodynamic upgrade for the Lotus Exige Series 2 (2005–2011). Featuring a significantly wider roof duct than the factory hardtop, it increases the volume of fresh air supplied to the engine bay while giving your Exige a distinctive motorsport appearance.
Unlike the OEM Exige roof, which has a ducted appearance but does not use a sealed internal airflow path, the Kepla Wide Ducted Hardtop features a true two-layer construction. A separately bonded lower duct panel prevents incoming air from escaping into the roof cavity, directing airflow efficiently toward the engine bay where it is needed.
The duct opening is designed with a tapered inlet to capture fresh air with minimal airflow loss. Combined with the sealed internal duct structure, this functional design improves cooling efficiency at speed while maintaining smooth airflow.
Designed specifically around the body lines of the Lotus Exige S2, this hardtop combines lightweight construction, functional aerodynamics, and factory-quality fitment, making it ideal for serious track cars as well as premium road builds.
Functional Aerodynamic Design
The Wide Ducted Hardtop is more than a cosmetic upgrade.
The wide tapered duct inlet efficiently captures fresh air while minimizing turbulence. Inside the hardtop, a separately bonded lower duct panel forms a dedicated airflow channel, preventing air from escaping into the hardtop cavity.
This true two-layer duct construction delivers airflow directly toward the engine bay, making the roof duct fully functional rather than simply decorative.
Material Options
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Dry Carbon – The lightest and highest-performance option, manufactured using prepreg carbon fiber and autoclave curing for maximum strength, stiffness, and weight reduction. Ideal for dedicated track and motorsport applications. 4.2 kg
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Wet Carbon – Lightweight with a beautiful clear-coated carbon finish. Approx. 6.0 kg (13.2 lbs).
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FRP (Fiberglass Reinforced Plastic) – Durable, cost-effective, and ideal for painting. Approx. 6.6 kg (14.5 lbs).
Optional: Hardtop Mounting Brackets
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Twill Weave Dry Carbon – Coming Soon.
Optional: Hardtop Mounting Brackets
Vehicle Compatibility
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Vehicle Years: 2005–2011
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Compatible Models: Lotus Exige Series 2 (Early, Mid, and Late Models)
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Product Type: Wide Ducted Hardtop
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Material Options: Wet Carbon, FRP (Dry Carbon versions coming soon)
- Manufactured in Japan
Dimensions & Weight
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Dry Carbon: Approx. 4.2kg
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Wet Carbon: Approx. 6.0 kg (13.2 lbs)
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FRP: Approx. 6.6 kg (14.5 lbs)
Included Components
- Wide Ducted Hardtop
- Front and Rear CFRP Mounting Brackets
- OEM-Type Weatherstrips (Left & Right)
- Mounting Bolts
Installation Notes
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Handcrafted Product: Each hardtop is individually manufactured. Minor adjustments during installation may be required for optimal fitment.
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Surface Protection:
- FRP models must be painted before installation.
- Carbon fiber models should be protected with a UV-resistant clear coat if the vehicle is regularly exposed to sunlight.
- Regular maintenance will help preserve both appearance and long-term durability.
Shipping Information
Made to Order. Production typically takes approximately one month before shipment.
Why Choose the Kepla Wide Ducted Hardtop?
- True functional two-layer duct design.
- Wide tapered duct inlet maximizes fresh-air intake while minimizing airflow loss.
- Dedicated internal airflow channel directs air efficiently toward the engine bay.
- Lightweight construction improves overall vehicle performance.
- Aggressive race-inspired styling developed specifically for the Lotus Exige S2.
- Designed and manufactured in Japan by Kepla.
