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The CMST Audi R8 aero kit is a dry-carbon and carbon-fibre body kit designed for the first- and second-generation R8 (Type 42 and Type 4S), covering the V8 and V10 coupe and Spyder. It replaces or overlays the factory front lip, side skirts, rear diffuser and boot spoiler with autoclave-cured carbon parts that mirror the R8's mid-engine proportions, sharpen its aero balance and shed weight over the painted plastic and aluminium originals. Every panel is moulded from the OEM surfaces, so the kit bolts to factory mounting points and keeps the sideblade, clamshell and Audi Space Frame geometry intact.

• Vehicle: Audi R8 Coupe and Spyder (V8 4.2 FSI and V10 5.2 FSI)
• Generations: Type 42 (2007–2015) and Type 4S (2016 onward); confirm exact bumper variant before ordering
• Material options: dry carbon (prepreg, autoclave) or wet-layup carbon fibre, gloss or matte clear coat
• Key pieces: front lip, side skirts, sideblade trims, rear diffuser, boot/ducktail spoiler, mirror caps
• Finish: 2x2 twill weave under UV-stable lacquer, ready to fit raw or paint-matched

What the CMST R8 kit changes about the car

The R8 left the factory with a deliberately clean aero signature: a flat underbody, a deployable or fixed rear wing depending on model, and a front splitter sized for stability rather than spectacle. CMST's carbon kit works inside that brief instead of fighting it. The pieces extend the existing lines a few centimetres lower and wider, which is enough to drop the visual ride height and add front-end bite without turning a balanced mid-engine car into a parts-bin widebody. For owners who want the look of the later V10 performance and GT models on an earlier car, the carbon front lip and diffuser do most of the heavy lifting.

Because the R8 shares its platform and much of its hardware with the Lamborghini Gallardo and Huracán, the donor surfaces are complex — twin sideblades, a stepped rear valance and a near-flat floor. Reproducing those shapes in carbon takes accurate moulds, and that is where a kit either lines up at the panel gaps or fights you on the lift. CMST tools its parts off scanned OEM panels, so the front lip meets the bumper seam cleanly and the diffuser sits flush against the rear valance and exhaust cut-outs.

Front lip and splitter

The front lip is the kit's anchor. On the R8 the front overhang is short and the radiator intakes sit low, so a lip that hangs too far forward scrapes every driveway. CMST's design adds a stepped leading edge that picks up the factory bumper contour and pulls the splitter plane forward by a modest margin, feeding cleaner air to the corner intakes and adding downforce at the nose. Available in dry carbon for the lightest result or standard carbon fibre for a lower price, it bolts to the existing lower-bumper fixings.

Side skirts and sideblades

The R8's sideblade is one of its defining features, and the kit treats it with carbon side-skirt extensions plus optional carbon blade trims. The skirts lower the visual centre of gravity and tie the front lip to the rear diffuser, so the car reads as one continuous wedge from any angle. Carbon here also saves weight exactly where you want it — low and outboard of the centreline.

Rear diffuser and spoiler

At the back, the carbon diffuser is the functional centrepiece. The R8's underbody is already aero-tuned, and a multi-channel carbon diffuser accelerates that under-car flow as it exits, helping seal low pressure under the rear and steady the car at speed. Paired with a carbon ducktail or the taller fixed wing, it gives the V8 cars some of the rear-end attitude that came factory on later V10 performance variants. The finish is matched to the rest of the kit so the weave runs consistently from lip to diffuser.

Dry carbon vs carbon fibre: which to choose

CMST offers most R8 panels in two constructions. Dry carbon (prepreg cured under heat and pressure in an autoclave) is lighter, stiffer and holds a more uniform weave, which is why it is the choice for owners chasing every kilogram and the cleanest cosmetic finish. Standard wet-layup carbon fibre uses the same cloth with a hand-laid resin process; it is heavier and a touch less consistent in the weave, but considerably more affordable and perfectly suited to a street car where the panel is clear-coated and admired rather than weighed. For an R8 used mostly on the road, the visual difference is small; for a track-focused or show build, dry carbon is the upgrade that justifies itself.

Fitment and finish in Australia

Carbon aero is only as good as its fit, and on a car like the R8 that means dry-fitting every panel before any adhesive or final torque. We recommend professional fitment for the front lip and diffuser in particular: the lip needs even gaps against the bumper to look factory, and the diffuser must clear the exhaust tips and rear valance without contact. Raw carbon parts ship with a UV-stable clear coat, but Australian sun is harsh on any lacquer, so a quality ceramic coating or paint-protection film over the weave is worth considering to keep the gloss from hazing. If you want body-colour rather than exposed weave, the parts take paint readily.

Browse the full range through our CMST Carbon Fibre Body Kit for Audi collection, see how the same engineering applies across other models in the broader CMST body kit range, and read about the brand and its dry-carbon process on the CMST page. R8-specific lips, skirts and diffusers are grouped under our Audi R8 Body Kit listings.

FAQ

Does the CMST kit fit both the V8 and V10 R8?

Yes. The kit is moulded for the Audi R8 across the V8 4.2 FSI and V10 5.2 FSI engines, in both Type 42 (2007–2015) and Type 4S (2016 onward) bodies. Because the front and rear bumpers differ between facelifts and between coupe and Spyder, confirm your exact model year and bumper style so the correct lip and diffuser are supplied.

Is dry carbon worth the extra cost over standard carbon fibre?

For a track or show R8, yes — dry carbon is lighter, stiffer and has a more uniform weave. For a street car that is clear-coated and driven on the road, standard carbon fibre delivers the same look at a lower price, and the weight difference per panel is small.

Will the carbon front lip scrape on driveways?

The R8 sits low and has a short front overhang, so any front lip lowers approach clearance. CMST's lip follows the factory bumper plane rather than projecting aggressively forward, which keeps clearance reasonable, but you should still approach steep driveways at an angle and consider a front lift if your R8 has one.

Can the parts be painted to match my R8's colour?

Yes. The carbon panels accept primer and paint, so you can run exposed gloss weave or have them sprayed in your body colour, including Audi finishes like Ara Blue or Suzuka Grey. Most owners leave the front lip, skirts and diffuser in clear-coated carbon for contrast.

Do I need to modify the car to fit the kit?

No cutting is required for the standard lip, skirt and diffuser set — they mount to factory points and overlay or replace the original lower trim. Professional dry-fitting is still recommended to set even panel gaps and confirm exhaust and arch clearances before final fitment.

Ready to put the R8's mid-engine silhouette in carbon? Explore fitment, finishes and pricing across our CMST Carbon Fibre Body Kit for Audi range and talk to the AME Motorsport team about a build spec for your car.