Roof spoiler extension Mansory style Carbon for Audi RS Q8

Roof Spoiler Extension Mansory Style Carbon for Audi RS Q8

The Roof Spoiler Extension is the second carbon blade that turns a Mansory roofline from a clean lip into a layered, motorsport-flavoured silhouette over the Audi RS Q8. Sitting at the trailing edge of the base roof spoiler, it bolts on through the existing OEM mount points on the underside and adds another 30 to 60 mm of chord in exposed-weave carbon. As part of the wider Mansory Carbon Fiber Body kit set for Audi RS Q8 programme on the 4M chassis, the extension is the fine-tune element: customers fit it once they want to balance the visual mass at the back end against the front splitter and rear-bumper splitter, or simply add depth to the shadow line above the rear screen of a 2.3-tonne SUV-coupe carrying a 4.0L TFSI biturbo V8 with 600 hp.

Construction & Materials

The extension is laid in full prepreg carbon and cured to the same geometry as the genuine Mansory part, but produced on the hodoor line as a Mansory-style replica. The visual is indistinguishable: same chord, same crown, same side profile turning into the C-pillar shadow. The cost difference is in the production batch and the badge on the box, not in the layup or the surface.

• Weave: 3K twill on the visible face with a 2K plain underlayer for a denser optical pattern under the lacquer.
• Cure: vacuum-bag prepreg with thermal post-cure to lock the resin matrix and stabilise dimensions across temperature swings on the rear glass.
• Wall thickness: 1.6-2.0 mm in the chord, stepping up to ~2.6 mm at the leading mounting flange where it sandwiches against the base spoiler.
• Mass: ~0.55-0.85 kg depending on whether the part is delivered raw, lacquered or paint-prepped in body colour.
• Hardware: stainless M5/M6 bolts, EPDM gaskets and a fitted 3M VHB strip along the inboard contact line for vibration damping.
• Finish: gloss UV-stable clear lacquer as standard; matte clear, satin, or fully painted in OEM Audi paint codes (Daytona Grey, Mythos Black, Florett Silver, Glacier White, Nardo Grey, Sebring Black) on request.
• Optical: weave runs longitudinally, mirroring the layout of a matched roof spoiler underneath so the two pieces read as one stacked carbon panel.

Design & Visual Function

The extension is a trim-driven aero piece. On a vehicle of the Audi RS Q8's mass, with all-wheel steering and air suspension capable of pulling 305 km/h with the Dynamic+ pack, the absolute downforce contribution of a 30-60 mm blade is a tidy and well-mannered correction at the rear, not a wing in the racing sense. What it does well is: shift the centre of pressure a touch rearward at autobahn speeds, calm the wake over the rear glass, and produce a more crisp, defined shedding line off the back of the roof. That tidies high-speed straight-line stability and reduces the soft buffet you can feel through the steering at 220+ km/h on long, slightly crosswind sections.

Visually, the extension is the part that takes a roofline from "OEM with a tasteful spoiler" to a fully resolved Mansory silhouette. It pulls the eye upward and back, lengthens the perceived overhang, and frames the rear three-quarter with a layered carbon tier above the C-pillar. From behind, looking down the rear screen, the two-step profile gives the same stacked, deck-and-blade look that the bigger Mansory programmes use on Bentaygas and G-Wagens. On a two-tone RS Q8 specced with a black roof, the carbon weave reads as a continuation of the dark upper graphic; on a body-colour roof, it sits as a deliberate dark band breaking the body and adds emphasis to the OEM single-frame grille and quattro arch flares at the front.

Within the Mansory-style line, the goal is parity with the genuine part: matched chord, matched curvature, matched mounting pitch. The replica is laid against the same digital reference and cures to the same shape, so swapping between genuine and style on the bench does not reveal any geometry discrepancy. Customers buying the style line are buying the visual on a different production economics curve, not a different shape.

Compatibility & Fitment

Compatible with Audi RS Q8 (4M chassis, MY2020+), covering both the pre-facelift 2020-2023 cars and the facelift Performance 2024+. Because the extension fastens to the base spoiler, not the bodyshell, it sits one step removed from the small bumper geometry differences introduced with the 2024 update and bolts cleanly onto either generation provided the underlying base spoiler is in place. It is designed to bolt onto the Mansory-style base roof spoiler from the same line; it is also dimensionally compatible with the OEM RS Q8 roof spoiler for owners who want to run a single carbon blade over the OEM piece. The extension does not interfere with the third brake light position, the rear glass aerial, or the centre-roof shark fin.

Installation & Reversibility

Tools: 6 mm and 8 mm sockets, plastic trim wedge, isopropyl alcohol, lint-free cloth, primer for the contact face, masking tape. Time: a competent DIY installer with the base spoiler already on the car can fit the extension in 30-45 minutes. If the base spoiler is being installed in the same session, allow 2-3 hours total and treat the two pieces as one operation. The extension uses the OEM mount points on the underside of the base spoiler: the existing fastener pattern is reused, with stainless bolts replacing OEM equivalents at the same torque (3-4 Nm hand-tight, with thread-lock).

Lift the RS Q8 air suspension to its highest setting for comfortable rear-glass access during the install, and disable the rear wiper if working close to the upper glass edge. The 3M VHB strip on the inboard contact line is a vibration damper, not a primary load path: clean, prime, press for 60 seconds, then run the bolts up. The part is fully reversible: removing the bolts and warming the VHB strip with a heat gun lifts the extension off the base spoiler with no body damage and no drilling. There is no electrical interface and no impact on rear ACC, parking sensors, or the rear-view camera.

Pairing within the Mansory RS Q8 programme

Within the Mansory-style line, this extension pairs naturally with its base spoiler and the rear of the kit. Strongest combinations:

• Roof Spoiler Mansory Style Carbon for Audi RS Q8 - the base spoiler this extension is shaped to bolt onto; specced together they read as a single stacked carbon tier.
• Rear Decklid Spoiler Mansory Style Carbon for Audi RS Q8 - balances the upper roof element with a matching carbon lip on the trunk's trailing edge for a coherent rear graphic.
• Body Kit Mansory Style Carbon for Audi RS Q8 - the full style-line set if the customer is committing to a complete Mansory-style transformation.

Maintenance & Durability

Lacquered carbon on a roof part lives close to the worst UV exposure on the car. A ceramic coating with high UV resistance is the single best investment, refreshed every 18-24 months. Hand-wash only on the upper surfaces; avoid alkaline wheel cleaners drifting onto the carbon, ammonia-based glass cleaners on the lacquer, and aggressive solvents. Dry with a plush microfibre, working along the weave rather than across it. Inspect the leading and trailing edges twice a year for stone-chip propagation; small chips are arrested by a drop of clear lacquer applied with a fine brush. With reasonable care, the lacquer stays clear and crack-free for 6-8 years before any cosmetic refresh is needed; the carbon substrate itself outlives the car. Stored carbon should sit out of direct sunlight on a soft pad to avoid pressure marks on the visible face.

Lead Time & Warranty

Lead time 4-6 weeks for raw or single-lacquer finishes, 6-8 weeks if specified in body-colour paint matched to an OEM Audi code. Each piece ships with a 12-month warranty against manufacturing defects (delamination, lacquer micro-cracking under normal use, mounting-point fatigue). The warranty does not cover impact damage, paint-prep or paint applied by a third party after delivery, or chemical attack from non-automotive cleaners.

FAQ

Q: Will this extension fit on an OEM RS Q8 roof spoiler, or only on the Mansory-style base?
A: It is designed primarily for the Mansory-style base spoiler from the same line, but the underside fastener geometry is dimensioned to bolt onto the OEM roof spoiler as well. Owners who do not want the larger base swap can run the extension alone on the OEM piece.

Q: How much extra chord does the extension add?
A: ~30 to 60 mm of additional chord at the trailing edge depending on viewing angle, with a slight upward turn in the last few millimetres to crisp up the wake.

Q: Is this the genuine Mansory part or a replica?
A: This is the Mansory-style replica, laid in full prepreg carbon to the same geometry as the genuine extension. It is part of the dedicated Mansory-style line; the genuine version is sold separately under the Mansory carbon section.

Q: Can I run the extension raw and add lacquer myself later?
A: Yes. The raw version ships pre-cured but unlacquered. A bodyshop can spray automotive 2K clear over it cleanly. We recommend ordering with factory lacquer if you want guaranteed UV stability under the warranty.

Q: Does it fit the 2024 facelift Performance car?
A: Yes. The extension fastens to the base spoiler rather than to the bodyshell, so the small facelift bumper changes do not affect fitment.

Q: Is the part paintable in body colour?
A: Yes. The extension can be ordered raw for paint, or pre-painted to any OEM Audi colour code (Daytona Grey, Nardo Grey, Mythos Black, Glacier White, Sebring Black, Florett Silver, etc.). A body-colour finish hides the carbon weave and reads as an OEM-deeper roofline.

Pair the extension with its base spoiler and a rear-decklid lip to lock in the Mansory-style rear graphic on your RS Q8. To order or to discuss finish options, contact us via WhatsApp +44 7488 818 747 or [email protected].