Wise Square | D1 Spec Rear Diffuser for Nissan Silvia S14 Kouki / 240SX

Wise Square | D1 Spec Rear Diffuser for Nissan Silvia S14 Kouki / 240SX

The Wise Square Rear Diffuser is designed for the Nissan Silvia S14 Kouki / 240SX platform and gives the car an aggressive D1-style aero appearance.

This piece is part of the Wise Square D1 Spec aero lineup and is designed to match the full kit styling.

REAR DIFFUSER ONLY!!
The full kit can be purchased here:
Wise Square D1 Spec Body Kit for Nissan Silvia S14 Kouki / 240SX

Features

• Authentic Wise Square D1 Spec rear diffuser
• Designed for Nissan Silvia S14 Kouki / 240SX chassis
• FRP and Technora, Carbon or FRP construction
• Aggressive D1-style rear aero design
• Designed to pair with the Wise Square D1 Spec rear bumper
• Professional body work, fitting, and paint required

Includes

• Rear Diffuser

Vehicle Fitment

• Nissan Silvia S14 Kouki / 240SX

Finish

• Technora, Carbon or FRP finish as supplied by Wise Square

Professional prep and installation recommended

⚠️ Professional installation required. FRP and Technora aero parts require body work, test fitting, prep, and paint before installation.

📩 Email us at [email protected] for any questions

Japan Parts Service

This is a Japan Parts Service. Some items are made to order and typically take 4–8 weeks for production.

Shipping estimates:

• Air Mail: typically 4–6 weeks (may be shorter if item is in stock in Japan)
• Container Shipping: typically 4–6 months

All sales are final. Please expect delays and do not purchase from this section if you are in a hurry.

Check out our “In Stock Aero” page for parts already in the USA ready to ship.