What does the Underbody Panel Kit for 981 cover?

The Underbody Panel Kit for 981 Porsche Cayman GT4 covers a large open gap between the factory belly pan and the rear diffuser. That section is turbulent and adds drag, so Verus Engineering fills it with two flat aluminum panels, which also pass cleaner airflow to the rear diffuser and help it generate downforce.

How much drag do the panels remove?

Verus Engineering estimates through CFD that the panels lower the drag coefficient of the 981 GT4 by 0.007, or 7 points. That is a simulated figure for the panels on this car, not a measured track result, and Verus lists better fuel mileage and improved diffuser function as the other benefits of a flat underbody.

Will the kit fit a 981 Cayman that is not a GT4?

Yes, with slight modification. Verus Engineering designed the kit for the 981 Cayman GT4 and states that it will work with other 981 models, but mounting it on those cars takes slight modification. Verus has not published what that work involves, so allow extra install time on a non-GT4 car.

Is the 981 panel kit hard to install?

No. Verus Engineering lists it as a simple install, and the kit contains both panels, two brackets, stainless hardware and a rivet-nut install tool. Verus documents the job in an install manual, an install video and an informative packet, and its support team answers install questions by email.

Do I need the Verus rear diffuser to benefit from the panels?

No. The panels reduce underbody drag on their own by covering the turbulent gap ahead of the diffuser. Verus Engineering designed them to work with its carbon rear diffuser, though, and recommends pairing the two to reduce lift and drag together, which is why both appear in its Ventus 1 and Ventus 2 packages for the 981 GT4.

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Description

Verus Engineering Flat Underbody Panel Kit for 981 Porsche Cayman GT4

Verus Engineering’s Flat Underbody Panel Kit for 981 Porsche Cayman GT4 closes the open section between the factory belly pan and the rear diffuser, a turbulent stretch of the underside that Porsche left uncovered. Two CNC cut and bent 5052 aluminum panels, powder coated black and produced in the USA, give the air a flat path rearward, and Verus estimates in CFD that they lower the drag coefficient by 0.007, or 7 points. On its own the kit is a modest gain; under a car running the Verus rear diffuser it does its real work, feeding that diffuser cleaner air.

Features

CNC cut 5052 aluminum, CNC bent and powder coated black
Flat surface lowers underbody drag and steadies flow into the diffuser
Rivet-nut install tool included
Stainless steel hardware throughout

What’s Included

Flat underbody panel, left-hand
Flat underbody panel, right-hand
Brackets (x2)
Complete hardware kit

Applications

Porsche Cayman GT4: 981 | 2016
Porsche Cayman: 981 | 2014-2016 (slight modification to mount)

Notes

Verus states the Underbody Panel Kit for 981 GT4 also works on other 981 models, with slight modification to mount
Designed to feed the Verus Engineering Carbon Rear Diffuser for 981 Porsche Cayman; together they reduce lift and drag at once
Part of the Verus Ventus 1 and Ventus 2 packages for the 981 GT4, with the Dual Element Dive Plane Kit and, in Ventus 2, the Front Splitter Kit and a rear wing
Verus provides an informative packet plus an install manual and video
See every Verus Engineering part for the 981 Porsche Cayman GT4
Verus covers its parts with a 1-year limited warranty against manufacturing defects

Frequently Asked Questions

What does the Underbody Panel Kit for 981 cover? The Underbody Panel Kit for 981 Porsche Cayman GT4 covers a large open gap between the factory belly pan and the rear diffuser. That section is turbulent and adds drag, so Verus Engineering fills it with two flat aluminum panels, which also pass cleaner airflow to the rear diffuser and help it generate downforce.
How much drag do the panels remove? Verus Engineering estimates through CFD that the panels lower the drag coefficient of the 981 GT4 by 0.007, or 7 points. That is a simulated figure for the panels on this car, not a measured track result, and Verus lists better fuel mileage and improved diffuser function as the other benefits of a flat underbody.
Will the kit fit a 981 Cayman that is not a GT4? Yes, with slight modification. Verus Engineering designed the kit for the 981 Cayman GT4 and states that it will work with other 981 models, but mounting it on those cars takes slight modification. Verus has not published what that work involves, so allow extra install time on a non-GT4 car.
Is the 981 panel kit hard to install? No. Verus Engineering lists it as a simple install, and the kit contains both panels, two brackets, stainless hardware and a rivet-nut install tool. Verus documents the job in an install manual, an install video and an informative packet, and its support team answers install questions by email.
Do I need the Verus rear diffuser to benefit from the panels? No. The panels reduce underbody drag on their own by covering the turbulent gap ahead of the diffuser. Verus Engineering designed them to work with its carbon rear diffuser, though, and recommends pairing the two to reduce lift and drag together, which is why both appear in its Ventus 1 and Ventus 2 packages for the 981 GT4.

About Verus Engineering

Verus Engineering designs aerodynamic and performance parts in Indianapolis, Indiana. Two engineers founded it in late 2014 as Velox Motorsports and renamed it in 2017 after a trademark dispute; verus is Latin for true or complete. Each design starts from a 3D scan of the car, is developed with CFD and finite element analysis and is validated on track, across more than 20 platforms from the GR86 to the C8 Corvette.

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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Verus Engineering Flat Underbody Panel Kit for 981 Porsche Cayman GT4 [A0162A]

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Verus Engineering Flat Underbody Panel Kit for 981 Porsche Cayman GT4

Features

What’s Included

Applications

Notes

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About Verus Engineering

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