2010 - 2013 Infiniti G25/G37 Sedan BKSS Style Rear Diffuser

Enhance the rear profile of your Infiniti G25 or G37 Sedan with this BKSS style rear diffuser. Designed to create a more aggressive and refined appearance, this exterior upgrade adds visual depth to the lower rear bumper area.

The sculpted BKSS style design follows the compatible rear bumper contours for a coordinated and performance-inspired finish. Its defined lower profile strengthens the vehicle’s road presence while contributing to a more aerodynamic appearance.

Available in FRP, CFRP, and FGCF material options, this rear diffuser offers durable construction and distinctive finish choices for daily-driven, performance, and show-oriented builds. Designed for 2010-2013 Infiniti G25 and G37 Sedan models, each package includes one rear diffuser.

Product Specifications

Key Features

• BKSS style rear diffuser designed for Infiniti G25 and G37 Sedans
• Fits 2010-2013 Infiniti G25 and G37 V36 Sedan models
• Creates a sharper and more aggressive lower rear profile
• Available in FRP, CFRP, and FGCF material options
• Follows the compatible factory rear bumper contours
• Adds visual depth and performance-inspired styling
• Enhances the vehicle’s aerodynamic and road presence
• Complements side skirts, fender flares, spoilers, and other exterior upgrades
• Suitable for daily-driven, performance, and show-oriented builds
• Includes one rear diffuser

Configuration Options

• FRP: Fiberglass-reinforced polymer construction intended for professional surface preparation and paint finishing
• CFRP: Carbon fiber-reinforced polymer construction offering lightweight strength and a premium woven carbon fiber appearance
• FGCF: Forged carbon fiber construction featuring a distinctive textured pattern and performance-inspired finish

Package Includes

• One rear diffuser

Note: Confirm the vehicle’s model, model year, V36 Sedan body style, factory rear bumper design, exhaust outlet arrangement, parking sensor placement, and any installed aftermarket rear components before ordering. This listing includes the rear diffuser only and does not include the complete rear bumper, exhaust system, reflectors, mounting hardware, brackets, tape, adhesive, or additional trim unless stated separately. Not intended for G37 Coupe models.

Installation

• Designed for installation on the compatible lower rear bumper area
• Professional body shop installation is recommended for proper alignment and secure fitment
• Test fit the diffuser before drilling, painting, bonding, or completing final installation
• FRP versions require professional surface preparation and paint finishing
• Reuse compatible factory mounting points and hardware where applicable
• Additional drilling, trimming, adhesive, brackets, or fasteners may be required
• Confirm adequate clearance around the exhaust outlets and surrounding components
• Verify secure mounting and symmetrical alignment before driving

Fitment

• 2010-2012 Infiniti G25 V36 Sedan
• 2010-2013 Infiniti G37 V36 Sedan

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.