Are the Top Secret GT-R V2 Side Diffusers a direct bolt-on for every R35 GT-R?

No, they're a direct bolt-on for 2009-2016 GT-R models only. 2017-and-later GT-Rs need either the existing OEM brackets modified or Top Secret's dedicated 2017+ bracket set to install them.

What does the design actually do for the car?

The Top Secret GT-R V2 Side Diffusers are shaped to improve airflow and reduce drag along the rocker panels, which adds stability and downforce at speed.

Do I need special brackets to install these on a 2017 or newer GT-R?

Yes, 2017-and-later GT-R models require either modifying the existing OEM brackets or adding Top Secret's specific M17 bracket set to mount the side diffusers correctly.

Are the Top Secret V2 Side Diffusers sold as a pair?

Yes, the Top Secret GT-R V2 Side Diffusers are sold as a pair, covering both sides of the R35 GT-R.

Description

Additional Info

Shipping policy

BP PRICING DIFFERENCE

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Description

Top Secret V2 Side Diffusers for R35 Nissan GT-R

The Top Secret GT-R V2 Side Diffusers are built specifically for the R35 GT-R from FRP or premium carbon fiber, shaped to improve airflow along the rocker panels and reduce drag rather than just adding visual width to the sides. That airflow work translates into added stability and downforce at speed, which matters more on a GT-R being driven hard than one sitting at a car meet. Installation difficulty depends on chassis year; 2008-2016 GT-Rs get a direct bolt-on fit, while 2017-and-later cars need either the existing OEM brackets modified or Top Secret’s dedicated M17 bracket set added to mount them correctly.

Features

FRP or premium carbon fiber construction
Shaped to improve airflow and reduce drag along the rocker panels
Adds stability and downforce at speed
Sold as a pair (left and right side diffusers)

Applications

Nissan GT-R: CBA-R35, DBA-R35, EBA-R35, 4BA-R35 | 2008-2025

Notes

Sold as a pair
These side diffusers are a direct bolt-on for 2008-2016 CBA and DBA GT-R models; for 2017-and-later EBA / 4BA GT-Rs, installation requires either modifying the existing OEM brackets or adding Top Secret’s specific M17 bracket set
All FRP is delivered unpainted, and all Top Secret carbon is delivered in its raw state and will require prep and application of a UV resistant clear coat and/or PPF
Please feel free to contact us for further information on parts required for installation

Frequently Asked Questions

Are the Top Secret GT-R V2 Side Diffusers a direct bolt-on for every R35 GT-R? No, they’re a direct bolt-on for 2009-2016 GT-R models only. 2017-and-later GT-Rs need either the existing OEM brackets modified or Top Secret’s dedicated 2017+ bracket set to install them.
What does the design actually do for the car? The Top Secret GT-R V2 Side Diffusers are shaped to improve airflow and reduce drag along the rocker panels, which adds stability and downforce at speed.
Do I need special brackets to install these on a 2017 or newer GT-R? Yes, 2017-and-later GT-R models require either modifying the existing OEM brackets or adding Top Secret’s specific M17 bracket set to mount the side diffusers correctly.
Are the Top Secret V2 Side Diffusers sold as a pair? Yes, the Top Secret GT-R V2 Side Diffusers are sold as a pair, covering both sides of the R35 GT-R.

About Top Secret

Top Secret Co., Ltd. (株式会社トップシークレット, Kabushiki-gaisha Toppu Shīkuretto) is a renowned Japanese automobile tuner and parts manufacturer, founded by automotive engineer and driver Kazuhiko “Smokey” Nagata. The company is widely recognized for its expertise in tuning, aftermarket parts, body kits, and performance engineering. Top Secret’s product range includes aero components, exterior and interior parts, engine upgrades, exhaust systems, chassis, brakes, suspension, and powertrain enhancements. In addition to its products, Top Secret is also famous for its high-speed Wangan runs, as well as its involvement in professional drifting, circuit racing, and drag racing.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Top Secret V2 Side Diffusers for R35 Nissan GT-R

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Top Secret V2 Side Diffusers for R35 Nissan GT-R

Features

Applications

Notes

Frequently Asked Questions

About Top Secret

Reviews