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Rivian · Widebody Kit

Rivian R1T Widebody Kit, AI Render

Render your car with a widebody — fender flares, wider track, aggressive rear haunches. Check the look on your R1T before the build begins.

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Widebody Kit AI render example — upload your R1T to see yoursWidebody Kit example

What a Widebody Kit Does to the Rivian R1T

A widebody kit on the Rivian R1T is one of the most transformative modifications you can make. The conversion adds extended fender flares, typically 30–80mm wider per side, allowing significantly wider wheels while creating the aggressive visual signature that defines widebody culture. On the R1T, this means a fuller wheel arch, a planted stance, and a car that looks completely different from any angle. The goal is a car that looks custom from the factory, not like an afterthought.

Budgeting a R1T Widebody Kit Build

Three price tiers define the R1T widebody market. At the entry, FRP kits supply the body pieces for $1,500–$3,000. The established middle — Liberty Walk, Rocket Bunny, Pandem — occupies $3,000–$8,000 and is where most serious street builds shop. At the top, carbon fibre and custom fabrication run $12,000–$20,000 before a single panel is fitted. Whatever the tier, add $2,500–$5,000 for the installation, body prep, gap filling, and paint that turn parts into a finished car — which is how a complete R1T build arrives at $4,000–$12,000.

Render your R1T before you buy anything

The same widebody kit reads very differently depending on the trim, colour, and wheels it lands on — what looks aggressive on a stock silver R1T press shot can look entirely different on your car. Rendering the conversion on your actual R1T first is how Rivian owners on TunedRides settle the question before the first part is ordered.

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Put a Widebody Kit on Your Own R1T

  1. 1
    Upload a photo of your R1T. 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. The AI traces your R1T's bodywork and proportions, then renders the change onto your real car, not a stand-in.
  3. 3
    Download your render. Your render lands in roughly 30 seconds. The free tier is watermarked; Pro ($14/mo or $69/yr) unlocks 250 HD renders monthly, watermark-free — ideal for a shop or builder.

R1T Widebody Kit: Common Questions

Is a widebody kit worth it on a R1T?

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 R1T 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.

FRP or carbon fiber for a R1T 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 R1T, a well-fitted FRP kit painted properly is the sensible choice; carbon belongs on builds where budget follows ambition.

Do I need to cut my R1T's fenders for a widebody kit?

Most widebody kits require fender modification, either cutting the inner lip, rolling the outer edge, or riveting flares over the existing bodywork. Some bolt-on kits for specific platforms minimize metal work, but proper fitment almost always requires shop time. Confirm the installation requirements with your installer before purchasing any kit.

How much does a widebody kit cost for a R1T?

A widebody kit for a Rivian R1T typically costs $4,000–$12,000. The kit parts alone run $1,500–$8,000 depending on brand and material (FRP vs carbon fiber). Professional installation, body prep, gap filling, and paint typically add $2,500–$5,000. Budget for the full installed cost, not just the kit price.

Can I keep my stock wheels after a widebody conversion on a R1T?

Technically yes, visually no. The extra 30–80mm of arch per side exists to cover a wider wheel and tire — on stock wheels the R1T 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.

Handing it to your shop?

Pro gives you HD, watermark-free, shop-ready renders

A Rivian R1T widebody build runs $4,000–$12,000. With Pro you get a 4K render to take to the shop so they nail the look first time. $5.75/mo billed annually.

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Other Rivian R1T builds to try

StanceR1T Stance →SlammedR1T Slammed →JDM StyleR1T JDM Style →Drift BuildR1T Drift Build →Custom WrapR1T Custom Wrap →Color ChangeR1T Color Change →OffroadR1T Offroad →

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