Throtl Engine Swapped 2026 Honda Prelude

The custom build replaced the hybrid powertrain with a 315-horsepower engine from a Civic Type R.

Updated on Oct. 4, 2026 in Performance Vehicles

Bold vector editorial illustration of a turbocharged engine block with custom mounts, representing a high-performance automotive engine swap project.
Automotive shop Throtl has successfully swapped the hybrid engine of a 2026 Honda Prelude for a 315-horsepower unit from a Civic Type R. AI Illustration. Upload story photo >

Live Poll

Should auto manufacturers prioritize enthusiast-focused performance features in their new vehicle lineups?

The automotive shop Throtl has successfully installed a turbocharged engine and manual transmission from a Civic Type R into a 2026 Honda Prelude. This modification transformed the hybrid-only coupe into a high-performance variant that the manufacturer did not release.

Why it matters

Builders sought to bridge the performance gap between the standard Prelude hybrid and a dedicated sports car. By utilizing parts from the Civic Type R, the team created a unique vehicle that the manufacturer did not produce for the public market.

The engine swap utilizes a 315-horsepower powerplant, significantly upgrading from the stock 141-horsepower hybrid system. The project integrates several Civic Type R components including dual-axis front suspension, brakes, and two-piece front rotors.

The players

Throtl

Throtl is an automotive media company and custom shop known for documenting high-end vehicle builds and performance modifications.

Honda

Honda is a global automotive manufacturer that launched the 2026 Prelude as a dedicated hybrid coupe.

The details

To complete the conversion, the team at Throtl replaced the fuel lines, fuel pump, and brake booster while fabricating a custom clutch pedal mount. They successfully used HASPORT billet aluminum engine mounts to secure the engine within the firewall space of the Prelude.

Timeline

  1. The 2026 Honda Prelude launched as a hybrid-only model.

Roadmap

This project underscores the trend of enthusiasts utilizing high-performance crate components to modify platforms that manufacturers have moved toward electrification. It demonstrates how independent shops can capitalize on the shared architecture of modern vehicles to create niche performance models.

Enthusiasts looking to replicate such builds may eventually benefit from lower parts prices as the 2026 Prelude and Civic Type R enter the used market. However, daily drivers should note that these modifications involve custom fabrication that exceeds standard maintenance capabilities.

The takeaway

This project highlights the potential for custom fabrication to redefine a vehicle's performance capabilities beyond factory specifications. Enthusiasts interested in similar builds should focus on finding platforms with shared chassis components to simplify the installation process.

What happens next

The completed build is currently scheduled to appear at the upcoming SEMA show.

Further reading

For more builds and modifications, visit the Performance Vehicles section.

Source note: This article includes information reported by HotCars.

Live Poll

Should auto manufacturers prioritize enthusiast-focused performance features in their new vehicle lineups?