Throttle Body Adapter Bosch DBW 68mm to 3.0" Silicone Hose
 
Compact. Precise. Boost-ready.
 
The Ichiban Engineering Bosch DBW 68mm to 3.0" Silicone Hose Adapter was developed to provide a clean and reliable solution for integrating a Bosch 68mm electronic drive-by-wire throttle body with standard 3.0-inch intercooler and intake piping systems.
 
Precision CNC-machined from 6061-T651 aerospace-grade billet aluminum, this adapter combines lightweight construction with exceptional strength and sealing reliability for both street and motorsport applications.
 
The internal geometry was carefully engineered to create a smooth airflow transition into the throttle body, minimizing turbulence while maximizing flow efficiency and throttle response. Unlike generic adapters with abrupt internal steps, the Ichiban Engineering design promotes cleaner airflow under both vacuum and high-boost conditions.
 
To ensure leak-free performance, the adapter utilizes a precision-machined integrated O-ring sealing system that seals directly against the Bosch throttle body housing — eliminating boost leaks and improving long-term reliability in high-pressure applications.
 
Designed specifically around the Bosch 68mm DBW throttle body platform, the adapter allows direct connection to any standard 3.0-inch silicone hose setup, making it ideal for custom intercooler piping, turbocharged builds, and standalone ECU conversions.
 
Throttle bodies are available separately through our matching Bosch 68mm DBW listing.
 
Key Features
• CNC-Machined 6061-T651 Billet Aluminum
Manufactured from aerospace-grade billet aluminum for maximum durability and precision.
• Bosch 68mm DBW Compatibility
Designed specifically for Bosch 68mm electronic throttle bodies.
• 3.0-Inch Silicone Hose Connection
Allows direct integration with standard intercooler and intake piping systems.
• Smooth Internal Flow Transition
Optimized internal geometry improves airflow efficiency and throttle response.
• Integrated O-Ring Seal
Provides reliable leak-free sealing under high boost pressure.
• Compact Lightweight Design
Maintains clean packaging and minimal added length.
• Stainless Steel Hardware Included
Supplied complete with stainless mounting bolts and O-ring seal.
 
Built for modern turbocharged applications.

The Ichiban Engineering Bosch DBW 68mm Adapter delivers OEM-level fitment with motorsport-grade reliability and airflow performance.

📧 For technical questions or custom requests contact sales@ichiban.engineering