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Rivian · Widebody Kit

Rivian R1S Widebody Kit, AI Render

Render your car with a widebody — fender flares, wider track, aggressive rear haunches. Try it on your own R1S before booking the shop.

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Widebody Kit AI render example — upload your R1S to see yoursWidebody Kit example

Widebody Kit on a Rivian R1S: What Changes

Fit a widebody kit and the Rivian R1S stops reading as the car it left the factory as. The formula is consistent across the culture: fender flares adding roughly 30–80mm per side, wheel arches filled by significantly wider wheels, and a track that visually plants the car on the road. The standard a good build chases is simple — it should look like a factory special, not an aftermarket afterthought, from every angle.

Real Build Cost for a R1S Widebody Kit

The line item most R1S widebody budgets miss is not the kit — it is the $2,500–$5,000 of installation, body prep, gap filling, and paint that any kit needs to look right. On the parts side the market is tiered: FRP kits open at $1,500–$3,000 for the body pieces alone, mid-tier kits from makers like Liberty Walk, Rocket Bunny, or Pandem run $3,000–$8,000, and carbon fibre or high-end fabrication climbs to $12,000–$20,000. Taken together, a properly finished R1S widebody lands in the $4,000–$12,000 range.

Try it on your R1S before you spend

The same widebody kit reads very differently depending on the trim, colour, and wheels it lands on — what looks aggressive on a stock silver R1S press shot can look entirely different on your car. Rendering the conversion on your actual R1S first is how Rivian owners on TunedRides settle the question before the first part is ordered.

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See Your R1S With a Widebody Kit in 30 Seconds

  1. 1
    Upload a photo of your R1S. One good photo does it — profile shots read bodywork modifications like widebody kits most accurately. JPG or PNG, up to 10MB.
  2. 2
    Select Widebody Kit as your style. Our model studies your R1S's proportions and applies the change to your actual bodywork, not a generic template.
  3. 3
    Download your render. You'll have the result in ~30 seconds. Free is watermarked, Pro ($14/mo or $69/yr) gives 250 HD watermark-free renders monthly — built for sharing with your shop.

R1S Widebody Kit Questions, Answered

FRP or carbon fiber for a R1S widebody kit?

FRP (fiberglass-reinforced plastic) is the accessible route — entry kits start around $1,500–$3,000, and the material takes paint well but needs careful prep and fitting. Carbon fiber kits and high-end fabrication run $12,000–$20,000 before installation, trading cost for weight savings and finish. For most street builds on a R1S, a well-fitted FRP kit painted properly is the sensible choice; carbon belongs on builds where budget follows ambition.

Can I see what a widebody kit looks like on my R1S before buying?

Yes. That's exactly what TunedRides is built for. Upload a photo of your R1S and select widebody kit as your style. You get an AI render of your car with extended fenders, wider track, and full aero in about 30 seconds. Free to try, no account required.

Is a widebody kit worth it on a R1S?

If you're building a show car, a dedicated track car, or a car you intend to keep long-term, a widebody kit on the R1S is one of the most dramatic transformations available. It narrows your resale audience and requires a significant investment in parts, labor, and paint. Use TunedRides to confirm the aesthetic first. Seeing the result before spending $4,000–$12,000 is exactly why the tool exists.

Bolt-on or welded flares for a R1S widebody?

Bolt-on and rivet-on kits preserve more of the original bodywork and read deliberately aggressive — the exposed-hardware look is part of the Rocket Bunny/Pandem aesthetic. Welded and moulded conversions blend into the body for a factory-wide look but are fully permanent and cost more in bodywork. Which suits the R1S depends on the look you're chasing — render both directions first.

Can I keep my stock wheels after a widebody conversion on a R1S?

Technically yes, visually no. The extra 30–80mm of arch per side exists to cover a wider wheel and tire — on stock wheels the R1S would sit visibly hollow inside the new flares, which reads as unfinished. Budget for wider wheels with recalculated offset as part of the build, and preview the full combination on a render before ordering either.

Briefing a builder?

HD, watermark-free renders your installer can build from

A Rivian R1S widebody build runs $4,000–$12,000. Pro turns it into a 4K, watermark-free render your installer can work from directly. That's $5.75/mo on annual.

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