Description

AUTHENTIC AERODYNAMIC COMPONENT FOR YOUR LEGENDARY R34 GT-R – ULTIMATE REAR DOWNFORCE ELEMENT.

The DIFFUSER ASSY, RR 748A0-RHR40 is a precision-engineered rear diffuser assembly from NISMO. It is designed as a direct replacement for the original Nissan genuine part (748A0-AA500).

This essential aerodynamic component mounts to the rear of your BNR34 Skyline GT-R (from January 1999 onward). Specifically, it manages underbody airflow to reduce drag and increase downforce. As a result, it contributes to the legendary R34’s high-speed stability and cornering performance.

Product Highlights

🔧 ESSENTIAL AERODYNAMIC COMPONENT
Manufactured as a faithful reproduction of the original Nissan rear diffuser, it ensures proper fitment and function for your BNR34 Skyline GT-R’s aerodynamics. This assembly channels airflow from under the vehicle. Thus, it creates a low-pressure area that increases rear downforce for improved traction and stability.

🏁 BNR34 SKYLINE GT-R COMPATIBILITY
Specifically designed for the legendary R34 GT-R chassis, this rear diffuser assembly is an essential component. It is crucial for maintaining the authenticity and aerodynamic performance of your GT-R.

• Compatible Model: Nissan Skyline GT-R (BNR34) from January 1999 onward

• Application: Complete Rear Diffuser Assembly

⚙️ PRECISE AERODYNAMIC PERFORMANCE
This diffuser assembly provides:

• Correct geometry and contour for optimal underbody airflow management

• Factory-specified dimensions for authentic R34 GT-R appearance

• Proper mounting points for secure attachment to rear underbody

• Durable construction to withstand aerodynamic forces and road debris

• Essential component for the vehicle’s integrated aerodynamic package

🔰 NISMO GENUINE REPRODUCTION QUALITY
Manufactured as part of NISMO’s genuine reproduction parts program, ensuring the same quality, durability, and performance expected from Nissan’s official performance brand. The diffuser assembly is manufactured to OEM specifications with correct materials, dimensions, and aerodynamic characteristics for perfect fitment and authentic performance.

Technical Specifications & Application

This is a genuine reproduction rear diffuser assembly for BNR34 Skyline GT-R models.

Key Details

• Product Name: DIFFUSER ASSY, RR (Rear Diffuser Assembly)

• NISMO Part Number: 748A0-RHR40

• OEM Reference: (748A0-AA500) – For reference only, not orderable

• Compatible Models: Nissan Skyline GT-R (BNR34) from January 1999 onward

• Quantity per Vehicle: 1

• Product Code: Q

• Production Information: General production parts

• Product Classification: Genuine reproduction

• Warranty: 20,000km per year