Description

Key Details

Brand: 326POWER
Manufacturer: 326POWER Japan
Product: 3D☆STAR S15 Silvia Center Attachment
SKU: CenterAttachmentS15
Category: Aero
Subcategory: Exterior
Product Type: Rear center aero attachment
Compatible Vehicle: Nissan S15 Silvia
Required Vehicle Configuration: Vehicle equipped with factory optional rear under spoilers
Design Purpose: Fills the open center area between the factory optional rear under-spoiler sections
Styling Concept: Factory + α customization that preserves the character of the original optional aero
Mounting Method: Double-sided tape and three bolts
Finish: Unpainted white gel coat finish
Installation Requirement: Test fitting, alignment adjustment, preparation work, and painting required
Common Use: OEM-plus styling, rear exterior customization, street builds, stance builds, show cars, and period-correct Japanese tuning-inspired S15 Silvia builds.

Common Applications

The 326POWER 3D☆STAR S15 Silvia Center Attachment is intended for customers who already have the factory optional rear under-spoiler setup and want to complete the appearance of the lower rear bumper without replacing the original aero. The attachment works particularly well for OEM-plus S15 builds where maintaining the character and material feel of the genuine optional parts is important while adding a more finished and substantial center section. Final compatibility depends on the vehicle being equipped with the correct factory optional rear under spoilers, the condition of the rear bumper and existing aero parts, mounting alignment, and installation condition. If you are unsure whether this Center Attachment is suitable for your S15 Silvia, please contact us before ordering. Contact us.

326POWER Character

326POWER is often associated with aggressive Japanese stance, drift, and low-car styling, but this particular S15 Silvia product takes a more restrained approach. The manufacturer specifically presents it as a high-quality customization that takes advantage of the character of the factory optional aero rather than replacing it. This makes the Center Attachment especially suitable for owners who prefer a subtle OEM-plus modification where the change may not immediately look aftermarket, but the rear profile appears noticeably more complete once installed.

3D☆STAR S15 Silvia Design Notes

326POWER explains that factory manufacturers often design optional aero parts to complement the original body lines as naturally as possible, and the S15 Silvia factory optional rear aero remains popular among enthusiasts. However, with the optional under spoilers fitted on both outer sides of the rear bumper, the open center area can become visually noticeable. The Center Attachment was developed specifically to address that space while maintaining the balance of the original design. 326POWER describes the natural appearance as the result of careful design calculations rather than simply filling the gap with a generic panel.

Factory Optional Aero Integration

The defining feature of this product is that it is designed around the existing Nissan factory optional rear under-spoiler setup. Instead of replacing the two original side pieces, the Center Attachment adds the missing center element and visually connects the rear lower section. This allows owners to retain the recognizable factory optional S15 styling while giving the rear bumper a more complete and unified appearance.

OEM-Plus Styling Concept

The Center Attachment represents a relatively subtle form of customization compared with a complete aftermarket rear bumper or full aero kit. 326POWER describes the design as reaching a point between the standard appearance and a more heavily modified setup, making it the kind of detail that may be especially appreciated by S15 enthusiasts familiar with the original optional aero. The intention is to introduce more visual presence without disrupting the overall vehicle form.

Mounting Design

One of the practical features highlighted by 326POWER is the mounting method. The Center Attachment can be installed using double-sided tape together with three bolts. This relatively straightforward installation concept allows the attachment to be secured to the rear area while maintaining the clean external appearance of the finished product. Correct positioning and test fitting are still important before painting and final installation.

Aerodynamic Design Concept

326POWER states that the unified design is intended to improve aerodynamics without compromising the overall vehicle form. The manufacturer does not provide numerical aerodynamic figures such as downforce or drag measurements, so specific performance gains should not be assumed. The main verified point is that aerodynamic integration was considered as part of the product's design concept.

Installation and Fitment Notes

This Center Attachment is specifically intended for S15 Silvia vehicles equipped with the factory optional rear under spoilers. Before painting, the part should be temporarily fitted to the actual vehicle so the center position, relationship with the factory side spoilers, bumper alignment, gaps, and overall symmetry can be checked. 326POWER instructs customers to perform test fitting and alignment adjustment before painting and notes that if mounting-hole positions are difficult to align, gradual adjustment such as elongated-hole processing may be required. The final mounting uses double-sided tape and three bolts, so the mounting surfaces and attachment points should be clean, correctly positioned, and securely prepared before installation.

Aero Product Notes

The product is supplied unpainted in a white gel coat finish, and installation and painting are not included. The official pages do not clearly specify the underlying material for this particular Center Attachment, so the material should not be assumed. The part should be test fitted and aligned before painting, with any required mounting adjustment completed during the preparation stage. Professional preparation and installation are recommended to maintain consistent gaps between the Center Attachment, factory optional aero, and rear bumper.

Demo Image Notes

This listing is for the S15 Silvia Center Attachment designed for vehicles with the factory optional rear under spoilers. Demo images may show the factory optional rear aero, wheels, suspension components, exhaust parts, wings, or other exterior modifications. These additional components should not be treated as included unless specifically stated in the selected listing. The official product information also notes that displayed images are illustrative and may differ from the actual product.

Shipping and Lead Time

Availability may vary depending on supplier and production status.
Additional shipping fees may apply depending on destination.
International delivery timing may vary by country, customs clearance, and carrier.

Note: Shipping price listed on website is only for USA customers. For other country, please contact us individually after placing an order. We will revise the shipping quotation.

Important Notes

This is an authentic 326POWER Japan product developed specifically for Nissan S15 Silvia vehicles equipped with the factory optional rear under spoilers. The Center Attachment is designed to fill the noticeable open center area between the two factory optional rear under-spoiler sections while preserving the character of the original aero. It mounts using double-sided tape and three bolts and is supplied unpainted in a white gel coat finish. This listing is for the Center Attachment only and should not be interpreted as including the factory optional rear under spoilers, rear bumper, wheels, suspension components, wings, exhaust parts, or other accessories shown on demo vehicles. Test fitting and alignment adjustment must be completed before painting. The official product information states that the product was developed for show and event use and does not guarantee vehicle-inspection compatibility or assume responsibility for public-road use. Professional preparation and installation are recommended.

FAQ

Is this an authentic 326POWER product?
Yes. This is an authentic 326POWER Japan 3D☆STAR exterior aero product.

What vehicle is this Center Attachment designed for?
It is designed for the Nissan S15 Silvia.

What is the SKU?
The official SKU is CenterAttachmentS15.

Does it fit every S15 Silvia?
The product is specifically designed for S15 Silvia vehicles equipped with the factory optional rear under spoilers.

What is the purpose of the Center Attachment?
It fills the large open center area between the factory optional rear under-spoiler sections and gives the lower rear bumper a more complete appearance.

Does it replace the factory optional rear under spoilers?
No. It is designed to work together with the existing factory optional rear under spoilers.

Are the factory optional rear under spoilers included?
No. This listing is for the Center Attachment itself.

What styling concept does the product use?
326POWER describes it as a factory + α style of customization that builds on the appearance and character of the genuine optional aero.

How is the Center Attachment installed?
326POWER states that it can be installed using double-sided tape and three bolts.

Does installation require bolts?
Yes. The official product information specifies three bolts together with double-sided tape.

Does it come painted?
No. It is supplied unpainted in a white gel coat finish.

What material is the Center Attachment made from?
The official product pages reviewed do not clearly specify the underlying material, so the material should be confirmed before making a specific material claim.

Does it need to be test fitted before painting?
Yes. 326POWER specifically requires test fitting, alignment adjustment, and fitment checking before painting.

Can mounting-hole adjustment be required?
Yes. If mounting-hole positions are difficult to align, the official instructions state that minor adjustment such as elongated-hole processing may be required during test fitting.

Does 326POWER claim an aerodynamic benefit?
326POWER states that the unified design improves aerodynamics without compromising the overall form, but no numerical aerodynamic performance figures are provided.

Is this the same as the separate 3D☆STAR S15 Rear Under Spoiler?
No. The Center Attachment is specifically for vehicles retaining the factory optional rear under-spoiler setup. 326POWER also sells a separate 3D☆STAR S15 Silvia Rear Under Spoiler as a different product.

Can demo images show additional parts?
Yes. Wheels, suspension parts, wings, exhaust components, and other modifications may appear on demo vehicles and should be treated as separate unless specifically stated as included.

Can this be used on public roads?
326POWER states that the product was developed for shows and events and does not guarantee vehicle-inspection compatibility or assume responsibility for damage resulting from public-road use.

Is professional installation recommended?
Yes. Professional test fitting, preparation, alignment, painting, and final installation are recommended to achieve proper fitment with the factory optional rear aero.