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Tesla Model S Roof Rack System (Whispbar) Review

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The Tesla Model S Whispbar Roof Rack System is hands down the most technological and elegant roof rack system on the planet, period.

The designers and scientists behind Whispbar, a brand now under the Yakima umbrella, have long been known for designing the world’s quietest roof rack system through relentless pursuit of engineering perfection. We had a chance to review the new Whispbar Tesla Model S Roof Rack System over the last 500+ miles and came up with some findings that may surprise you.

Tesla Model S Roof Rack System by Whispbar

Initial Impression

The Whispbar Tesla Model S Roof Rack System is comprised of two individually packaged components – a universal Whispbar Flush Bar and a Tesla Model S specific mounting kit that secures the Flush Bar to four fixed-point mounts on the roof of the vehicle. Packaging is near Apple caliber and all around superb, with full color printed boxes psychologically gesturing that an amazing road adventure awaits. It worked. Before we knew it, the Whispbar components were unboxed, installed and off on an epic journey.

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Features

  • Aerodynamic design reduces wind drag and noise up to 70%
  • Low drag results in negligible impact on EV battery range
  • Low profile and tapered-wing shape makes for an ultra-quiet ride
  • Super-lightweight and corrosion resistant aluminum construction
  • Quick disconnect and built-in channel technology lets you mount a variety of carriers and accessories onto the Flush Bar
  • Innovative SmartFoot towers ensure quick and easy installation on your roof
  • Patented Yakima Same Key System (SKS) technology uses lock cores that lock and unlock with the same key, eliminating the hassle of multiple keys.
  • Ultra-sleek design blends into the curves of the Tesla Model S and hardly noticeable

 


Whispbar Technology

 

Tesla Model S Roof Rack Whispbar Flush BarDesign and Aerodynamics: The unique wing shape of the Whispbar Flush Bar is what really makes this roof rack system stand apart form its competitors. We’ve never seen anything like this before, both from a design perspective and aesthetic point of view.

The beautifully sculpted shape, said to reduce noise and wind drag by 70% over other crossbars, is an art piece in itself, and frankly made us instinctively handle the component as if it were a piece of fine jewelry. We found ourselves constantly wiping our fingerprints off of the polished aluminum finish in order to keep it as pristine and elegant as it naturally is. But don’t let the gorgeous looks fool you. The Whispbar Tesla Model S Rook Rack System is as rugged and durable as they come – capable of carrying cargo and withstand up to 165 lbs (75 kg) of load.

 

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Installation

Having installed several roof rack systems before, we were armed with our usual Phillips screwdriver, Torx drivers and our folding hex key set, all which turned out to be valueless. Whispbar comes prepackaged with everything you’ll need for the installation which consists of a single T-handle hex key and some basic instructions.

Installation was fairly simple after we figured out how to mount the first of four mounting points, however documentation could have been a bit clearer especially when describing the procedure of replacing the Flush Bar slide-out plastic mounting blocks with those from the Tesla Model S SmartFoot kit (#K704W). We spent a good 15 minutes trying to figure out this portion of the installation process, presumably because we received one of the earlier versions of the documentation right as it was about to hit market, or we have a much lower brain cell count than the average human (most likely). We’ll let you figure that one out.

Tesla-Model-S-Whispbar-Roof-Rack-2

Tesla-Model-S-Whispbar-Roof-Rack-Latch Tesla-Model-S-Whispbar-Roof-Rack-Latch-Mount Tesla-Model-S-Whispbar-Roof-Rack-Rubber-Foot Tesla-Model-S-Whispbar-Roof-Rack-Adjustable

 

Installation Summary

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  1. Flip up factory mounting-point covers
  2. Attach stainless hardware to mounting-points
  3. Fit weather-proof Tesla Model S specific mounting pad and block over stainless clamps
  4. Hand-tighten plastic knob and secure Flush Bar to the vehicle

Installation video provided by Tesla Motors.

 


 

Ultra-Quiet, Low Drag, Battery Efficient

Sound: The low profile mount and wing shape design of the Whispbar Tesla Model S Roof Rack System creates an amazingly quiet driving experience. At speeds below 40 mph (64 km/h) we barely noticed any noise at all, contrary to what we’ve experienced with other roof rack systems on the market. The Whispbar system exhibits some audible wind noise as expected during highway speeds, but the sound is much more soothing, and almost melodic in a way. It’s much softer, quieter and not the usual turbulent wind noise that’s often associated with round or square style crossbars.

The unique shape and design of the Whispbar is the result of extensive wind tunnel testing as seen in the video below.

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Wind Drag Effect on Battery Range: This one surprised us the most. After 500 miles of testing with the Flush Bar mounted we noticed a negligible increase in energy consumption when compared against the vehicle’s lifetime average energy usage.

  • Energy usage lifetime avg (10,180 miles):

    318 Wh/mi

  • ROAD TEST 1 with Tesla Model S Roof Rack System (~ 500 miles): 

    322 Wh/mi

  • ROAD TEST 2 with Tesla Model S Rook Rack System + Ski/Snow attachment + 2 snowboards:

    328 Wh/mi

    (leave us a comment below if you’re interested in having us perform any special tests)

We concluded that the 1.26% increase in energy over the vehicle’s lifetime average is negligible and therefore it’s inconclusive that the change is a result of wind drag from the Tesla Model S roof rack system. Although we drove the same path over the course of the 500 mile sample, there’s not a large enough disparity for us to make a correlation. This is a remarkable testament to Whispbar’s pursuit of engineering excellence. We think they succeeded.

Tesla Model S Roof Rack Whispbar System Seamless Elegance

 


No Tools Required, Quick and Easy Attachments

One of the great features of the Whispbar QuickDock System is that it can quickly attach and detach accessories without the use of tools. Removing attachments (ski, snowboard, cargo, bike ..etc when not in use maximizes the aerodynamics and maintains the clean look of the Whispbar Flush Bar.

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Below are pictures of the optional Whispbar SnowMount (#WB300) attachment mounted to our Whispbar Tesla Model S roof rack system. We loved the large integrated push lever, which was extremely easy to open, even while wearing heavy gloves.

 

Tesla Model S Roof Rack Whispbar Snow Mount WB300

Tesla Model S Roof Rack Whispbar Snow Mount WB300 Tesla Model S Roof Rack Whispbar Snow Mount WB300 Tesla Model S Roof Rack Whispbar Snow Mount WB300 Tesla Model S Roof Rack Whispbar Snow Mount WB300


Conclusion

The aerodynamic Whispbar roof rack system brings innovative design and technology to deliver the quietest crossbar on the market.

To our knowledge, Whispbar is currently the only manufacturer that offers the Tesla Model S roof rack system. We know that there will eventually be plenty of roof rack systems out on the market for the Tesla community, but when compromise is not an option and you’re seeking unparalleled perfection, then the Whispbar Roof Rack System is the obvious choice.

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Tesla Model S Whispbar Roof Rack System

Note: Use the vehicle selection dropdowns from the Flush Bar page.

Whispbar Snow Mount Attachment

 

NOTE: The Whispbar Tesla Model S Roof Rack System is only available for models that have the panoramic roof option.

Tesla Model S Roof Rack Whispbar Snow Mount

 

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Elon Musk

The FCC just said ‘No’ to SpaceX for now

SpaceX is fighting the FCC for spectrum that could put satellites inside every smartphone.

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SpaceX was dealt a new setback on April 23, 2006 by the Federal Communications Commission (FCC) after the U.S. government agency dismissed the company’s petition to access a Mobile Satellite Service spectrum that would allow direct-to-device (D2D) capabilities.

The FCC regulates communications by radio, television, wire, and cable, which also includes regulating D2D technology that lets your existing smartphone connect directly to a satellite orbiting Earth, the same way it would connect to a cell tower.

Elon Musk’s SpaceX has been building toward this through its Starlink Mobile service, formerly called Direct-to-Cell, in partnership with T-Mobile. The service officially launched on July 23, 2025, starting with messaging and expanding to broadband data in October of that year.

T-Mobile Starlink Pricing Announced – Early Adopters Get Exclusive Discount

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It’s worth noting that SpaceX is not alone in this race. AT&T and Verizon have their own satellite texting deals with AST SpaceMobile, while Verizon separately offers free satellite texting through Skylo on newer phones.

The regulatory foundation for all of this dates to March 14, 2024, when the FCC adopted the world’s first framework for what it called Supplemental Coverage from Space, allowing satellite operators to lease spectrum from terrestrial carriers and fill gaps in their coverage. On November 26, 2024, the FCC granted SpaceX the first-ever authorization under that framework, approving its partnership with T-Mobile to provide service in specific frequency bands. SpaceX then went further, completing a roughly $17 billion acquisition of wireless spectrum from EchoStar, which gave it the ability to negotiate with global carriers more independently.

Starlink’s EchoStar spectrum deal could bring 5G coverage anywhere

This recent ruling by the FCC blocked SpaceX from going further, protecting incumbent spectrum holders like Globalstar and Iridium. But the market momentum is already in motion. As Teslarati reported, SpaceX is targeting peak speeds of 150 Mbps per user for its next generation Direct-to-Cell service, compared to roughly 4 Mbps today, which would bring satellite connectivity close to standard carrier performance.

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With a reported IPO targeting a $1.75 trillion valuation on the horizon, each spectrum fight, carrier deal, and regulatory win or loss now carries weight beyond just connectivity. SpaceX is quietly becoming the infrastructure layer underneath the phones of millions of people, and the FCC’s next move will help determine how much further that reach extends.

FCC Satellite Rule Makings can be found here.

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Elon Musk

Elon Musk talks Tesla Roadster’s future

Elon Musk confirmed the Roadster as Tesla’s last manually driven car, with a debut coming soon.

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Tesla Roadster driving along sunset cliff (Credit: Grok)

During Tesla’s Q1 2026 earnings call on April 22, Elon Musk made a brief but notable comment about the long-awaited next generation Roadster while describing Tesla’s future vehicle lineup. “Long term, the only manually driven car will be the new Tesla Roadster,” he said. “Speaking of which, we may be able to debut that in a month or so. It requires a lot of testing and validation before we can actually have a demo and not have something go wrong with the demo.”

That single statement is the entire Roadster update from yesterday’s call, and while it represents another timeline shift, it comes as no surprise with Tesla heads-down-at-work on the mass rollout of its Robotaxi service across US cities, and the industrial scale production of the humanoid Optimus.

The fact that Musk specifically framed the Roadster as the last manually driven Tesla is significant on its own. As the rest of the lineup moves toward full autonomy, the Roadster becomes something rare in the Tesla-sphere by keeping the driver in control. Driving enthusiasts who buy a $200,000 supercar are not doing so to be passengers. They want the physical connection to the road, the feel of acceleration under their own input, and the experience of controlling something with that level of performance. FSD, however capable it becomes, removes that entirely. The Roadster signals that Tesla understands this distinction and is building a car specifically for the people who consider driving itself the point.

Tesla isn’t joking about building Optimus at an industrial scale: Here we go

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The specs for the Roadster Musk has teased over the years are genuinely unlike anything in production. The base model targets 0 to 60 mph in 1.9 seconds, a top speed above 250 mph, and up to 620 miles of range from a 200 kWh battery. The optional SpaceX package takes it further, rumored to add roughly ten cold gas thrusters operating at 10,000 psi, borrowed directly from Falcon 9 rocket technology. With thrusters, Musk has claimed 0 to 60 mph in as little as 1.1 seconds. In a 2021 Joe Rogan interview he went further, stating “I want it to hover. We got to figure out how to make it hover without killing people.” Tesla filed a patent for ground effect technology in August 2025, suggesting the hover concept has not been abandoned. The starting price remains $200,000, with the Founders Series requiring a $250,000 full deposit. Some reservation holders placed those deposits in 2017 and are approaching a full decade of waiting.

With production now targeted for 2027 or 2028 at the earliest, the Roadster remains Tesla’s most audacious promise and its longest-running delay. But if what Musk is testing lives up to even half of what he has described, the demo alone should be worth waiting for.

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Elon Musk

Tesla isn’t joking about building Optimus at an industrial scale: Here we go

Tesla’s Optimus factory in Texas targets 10 million robots yearly, with 5.2 million square feet under construction.

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Tesla’s Q1 2026 Update Letter, released today, confirms that first generation Optimus production lines are now well underway at its Fremont, California factory, with a pilot line targeting one million robots per year to start. Of bigger note is a shared aerial image of a large piece of land adjacent to Gigafactory Texas, that Tesla has prominently labeled “Optimus factory site preparation.”

Permit documents show Tesla is seeking to add over 5.2 million square feet of new building space to the Giga Texas North Campus by the end of 2026, at an estimated construction investment of $5 billion to $10 billion. The longer term production target for that facility is 10 million Optimus units per year. Giga Texas already sits on 2,500 acres with over 10 million square feet of existing factory floor, and the North Campus expansion is being built to support multiple projects, including the dedicated Optimus factory, the Terafab chip fabrication facility (a joint Tesla/SpaceX/xAI venture), a Cybercab test track, road infrastructure, and supporting facilities.

Credit: TESLA

Texas makes strategic sense beyond the existing infrastructure. The state’s tax structure, lower labor costs relative to California, and the proximity to Tesla’s AI training cluster Cortex 1 and 2, both located at Giga Texas and now totaling over 230,000 H100 equivalent GPUs, means the Optimus software stack and the factory producing the hardware will share the same campus. Tesla’s Q1 report also confirmed completion of the AI5 chip tape out in April, the inference processor designed specifically to power Optimus units in the field.

As Teslarati reported, the Texas facility is intended to house Optimus V4 production at full scale. Musk told the World Economic Forum in January that Tesla plans to sell Optimus to the public by end of 2027 at a price between $20,000 and $30,000, stating, “I think everyone on earth is going to have one and want one.” He has previously pegged long term demand for general purpose humanoid robots at over 20 billion units globally, citing both consumer and industrial use cases.

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