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Tomei Exhaust Manifold Expreme KA24DE Turbo Type Ver. 2 (Nissan S13/S14)

TOMEI USA is proud to announce the re-release of the KA24 Turbo Exhaust Manifold!
We have enhanced materials and manufacturing while preserving the original design, achieving greater durability, performance, and a sleek appearance.
Since its launch in 2015, this manifold has earned high praise from 240SX S13/S14 owners.
Designed for seamless compatibility with SR20 components, it enables efficient turbocharging for KA24 engines, delivering a significant performance boost.
However, due to mold deterioration, production was discontinued in 2022.
Now, after three years of development, it returns with major refinements.
We upgraded from cast iron to high-quality stainless steel, using advanced lost-wax casting for superior durability, heat resistance, and easier installation.
Optimized for the KA24’s long-stroke design, this manifold delivers smooth, torque-rich power, excelling in both daily driving and high-performance applications.
We appreciate your patience and support. This is our best version yet, and we hope all KA24 enthusiasts will enjoy its benefits.
Unlock the full potential of Nissan’s KA24 engine with this advanced turbocharging solution!

 

Material and Manufacturing Method

  • Upgraded the material from cast iron to stainless steel heat-resistant cast steel.
  • Adopted the lost-wax casting method, achieving superior precision and durability

Performance Enhancements

  • Basic Performance Maintenance
  • The design adheres to conventional principles, maintaining baseline performance characteristics.
  • Enhanced Heat Resistance
  • Improved heat resistance from 700–800°C to over 1,000°C, significantly enhancing durability under high-temperature conditions.

Improved Corrosion Resistance

  • Reduces rust formation, preserving an aesthetically pleasing appearance over an extended period.

Optimized Intake Temperature

  • Lower engine bay temperatures contribute to improved intake temperatures, enhancing overall engine efficiency.

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