VTT-FAB Extension Harnesses

Need to relocate your coolant expansion tank for a single turbo build? Extending MAP sensor, IAT sensor, throttle body, or EWG wiring? Don’t cut into your factory harness.

VTT-FAB Extension Harnesses provide a simple plug-and-play solution for common wiring extensions required during custom turbo installations and engine modifications. Each harness is built using quality connectors and wiring, then finished with expanded braided sheathing and heat shrink on both ends for a durable, OEM-style appearance.

Features

• Plug-and-play installation
• No cutting or splicing of factory wiring
• Expanded braided sheathing for protection and appearance
• Heat-shrunk ends for a clean, long-lasting finish
• Perfect for single turbo conversions and custom engine bay layouts

Available Harnesses

2-Pin Coolant Expansion Tank Extension

• Fits late-model BMW applications (2015+)
• Length: 5 ft

3-Pin Pre-Throttle MAP Sensor Extension Harness

• Length: 2 ft

2-Pin Pre-Throttle IAT Sensor Extension Harness

• Length: 2 ft

6-Pin B58 / S58 / B48 Throttle Body Extension Harness

• Length: 2 ft

6-Pin B58 to S55 Throttle Body Conversion / Extension Harness

• Length: 2 ft

5-Pin Electronic Wastegate (EWG) Actuator Extension Harness

• Available in various lengths

4-Pin N54 Stock MAP to N20 MAP Sensor Extension Harness

• Plug-and-play adapter/extension solution

Whether you’re building a custom single turbo setup, cleaning up your engine bay, or relocating components for additional clearance, VTT-FAB has the extension harness you need to get the job done right.