In this guide, we will be going over the step-by-step instructions on how to install the VR Performance charge tube for your A90 Supra.
Installation Difficulty:
Estimated Install Time:
An hour and a half
Tools Needed:
- Flathead Screwdriver
- 3/8th Ratchet
- Bit Driver
- HW4
- Torx T-25 Bit
- Torx T-30 Bit
- 8mm or 10mm socket for clamps
Installation:
Step 1: Remove engine cover.

Step 2: Remove the two sensor connectors for the pressure and air temp on the charge tube.


Step 3: Disconnect the mass air flow sensor connector from the intake.


Step 4: Remove intake by removing the hose clamp and pull straight up on the air box. Pull the clip down that is securing the intake to the turbo inlet and remove the remainder of the intake along with the PCV line that connects to the intake tube.
Step 5: Remove the two bolts securing the charge pipe to the throttle body with the T-30 bit.


Step 6: Remove the clip holding the charge tube to the turbo.

Step 7: Remove the charge tube from the engine bay by wiggling it out.

Step 8: Swap the O-rings from the factory charge tube.


Step 9: Swap the pressure and air temperature sensors over to the VR Performance charge tube with the T-25 bit.




Step 10: Using an HW4 bit, tighten down the provided m6 x 20mm button head bolt provided with the charge tube to secure the sensor in place.


Step 11: Place the lower part of the VR Performance charge tube onto the turbo and secure with the clip from the factory charge tube.


Step 12: Place the provided coupler with the clamps on the lower charge tube and install the top tube going to the throttle body

Step 13: Using the T-30 bit, tighten the top section of the charge tube against the throttle body with the factory bolts.


Step 14: Tighten the hose clamps.

Step 15: Clip the connectors back onto the sensors.

Step 16: Reinstall intake and engine cover.
