When upgrading the intake manifold on your R33 GTS25T RB25DET, the GReddy Plenum often requires a larger Q45 throttle body for optimal flow. The GReddy Intake Plenum Throttle Adapter (13920450) is a simple yet essential weld-on component that allows you to retain the factory throttle body. This adapter eliminates the need for swapping to a larger throttle body, making the plenum upgrade more straightforward and cost-effective while maintaining perfect compatibility with your existing throttle linkage and sensors.
Precision-engineered for a clean weld and secure fit, this adapter ensures smooth airflow transition and reliable operation without introducing restrictions or vacuum leaks. It is specifically designed for the GReddy Intake Manifold on R33 GTS25T models, giving builders the flexibility to choose their preferred throttle setup without compromising performance or drivability.
At Terra Firma Automotive, we supply this genuine GReddy Intake Plenum Throttle Adapter as a practical supporting component for RB25DET intake upgrades. It simplifies the installation process and helps you achieve a professional, factory-like integration with your GReddy plenum. For enthusiasts upgrading their R33 GTS25T intake system and wanting to keep the stock throttle body, this adapter is one of the most convenient and effective solutions available.
- GReddy Intake Plenum Throttle Adapter for R33 GTS25T RB25DET
- Weld-on adapter for GReddy Intake Manifold
- Allows use of factory stock throttle body
- Eliminates need for larger Q45 throttle body swap
- Precision-engineered for secure fit and smooth airflow
- Prevents vacuum leaks and maintains reliable operation
- Simplifies plenum upgrade installation process
- Ideal for cost-effective and straightforward builds
- Maintains compatibility with stock throttle linkage and sensors
- Premium GReddy engineering with proven real-world results
- Direct supporting component for GReddy plenum upgrades
- Enhances flexibility in intake system configuration
- Clean, professional integration in the engine bay
- Essential adapter for RB25DET intake modifications
- Trusted by Skyline enthusiasts for practicality and quality
- ⚠️ Emissions / California Legal Disclaimer – Off-Road / Competition Use Only: This product is intended for off-road, competition, and track use only. It is not legal for sale or use on public roads or highways in California (or any other CARB-adopting state). For more information Click Here.
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