Mitsubishi Released K20C1 Turbocharger Upgrade
The new Stage 2 turbocharger offers significant power gains for the Honda K20C1 engine platform.
Updated on Sept. 21, 2026 in Performance Vehicles
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Mitsubishi Heavy Industries has launched a Stage 2 turbocharger upgrade for the Honda K20C1 engine. The unit provides a 33% power increase over the stock engine's 306 horsepower when using standard fuel.
Why it matters
This component increases airflow while maintaining factory-level reliability and quick spool times. By utilizing existing housing, it allows owners to upgrade performance without extensive custom fabrication.
The turbo upgrade features a 65mm billet compressor and a 52mm inconel turbine. It supports up to 500 horsepower when utilizing race fuel or ethanol blends.
The players
Mitsubishi Heavy Industries
This organization serves as the original equipment manufacturer (OEM) turbo supplier for Honda.
Honda
This automotive manufacturer produces the K20C1 engine used in several high-performance vehicles.
The details
The upgrade is designed to be a direct replacement that retains factory mounting points and the original housing. This design choice aims to simplify the installation process for enthusiasts looking to avoid custom build requirements.
Timeline
The product details were published on September 21, 2026.
Roadmap
As aftermarket manufacturers prioritize bolt-on components over complex custom builds, this upgrade reflects a broader industry shift toward maximizing efficiency within existing engine architectures. This move positions Mitsubishi Heavy Industries to capture market share among performance enthusiasts who prioritize OEM-level reliability.
Drivers can achieve a 33% power increase on pump fuel without the need for custom fabrication or replacement housings. This direct-fitment approach reduces the labor costs and complexity typically associated with high-output engine modifications.
The takeaway
Enthusiasts can significantly boost engine output while retaining factory mounting points and reliability. This upgrade demonstrates that high-performance gains are increasingly accessible through streamlined, bolt-on engineering solutions.
Further reading
Learn more about performance modifications in our Performance Vehicles section.
Source note: This article includes information reported by InAutoNews.
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