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The CMST Porsche Panamera aero kit consists of five carbon fibre pieces — front lip, rear lip, side skirt lips, vented bonnet, and rear wing — paired with an optional valved cat-back exhaust in SUS304 stainless steel. Every exterior piece is manufactured from carbon fibre and fits directly to the production Panamera's body mounting points, with no structural modification required. The kit is designed to sharpen the Panamera's grand tourer silhouette into something noticeably more aggressive without altering the vehicle's fundamental body dimensions.

• Vehicle: Porsche Panamera
• Category: Carbon fibre aero kit + optional valved exhaust
• Kit pieces: Front lip, rear lip, side skirt lips, vented bonnet, rear wing
• Material: Carbon fibre (all exterior pieces)
• Exhaust material: SUS304 stainless steel with active valve, carbon fibre tips
• Finish: Gloss 2×2 twill-weave carbon, exposed

Carbon Fibre Front Lip

The CMST front lip mounts below the Panamera's factory front bumper on the existing lower valance mounting points. The piece extends the front fascia forward by a measured amount — enough to lower the visual nose of the car and change the approach angle without creating a ground clearance problem at standard Panamera ride heights. The design does not integrate canards or dive planes on this specific kit; it is a clean, single-element splitter profile that reads as an OEM-plus piece rather than a competition-derived aero device.

Carbon fibre construction means the front lip is stiffer than an equivalent FRP or polypropylene piece and will not flex or float at speed the way softer materials do. The trade-off is brittleness — a hard impact with a kerb or a car park barrier that an FRP lip might survive through deformation may crack a carbon piece. Given the Panamera's typical usage on Australian roads — predominantly highway and urban driving rather than track days — this is a reasonable trade for the aesthetic and rigidity benefits.

Vented Carbon Fibre Bonnet

The vented bonnet is the most visually significant single piece in the kit. The CMST bonnet replaces the factory panel entirely and incorporates an extraction vent on the centre-rear section of the bonnet surface. On petrol Panamera variants, this vent serves a functional purpose: hot air rising from the engine bay can exit through the vent rather than being trapped and recirculated, reducing underbonnet heat soak. The effect on sustained power output in stop-start traffic is modest but measurable — hot engine bays degrade the density of intake air and can trigger thermal management protocols in turbocharged engines.

The carbon fibre construction saves mass compared to the factory steel bonnet. The Panamera's production bonnet is a large panel; a carbon replacement can reduce panel weight by 50 to 70 per cent depending on layup thickness. This removes mass from one of the highest points on the car's body, contributing marginally to a lower centre of gravity. The saving is not dramatic in isolation but is worthwhile in combination with other lightweight carbon panels.

Installation of the bonnet requires removing the factory bonnet, transferring the hinge hardware and bonnet insulation (where applicable), and refitting to the existing mounting points. Panel gap alignment is the critical variable — the CMST bonnet's gel coat or primer surface at the leading and trailing edges must be adjusted to match the Panamera's tight factory panel tolerances. A professional body shop with panel alignment experience achieves the best results. Browse the CMST carbon fibre bonnet range for Porsche for available options and specifications.

Side Skirt Lips

The carbon fibre side skirt lips attach to the underside of the Panamera's existing factory sills. They extend outward and downward marginally, making the car's body appear wider and lower from the side. The single-piece-per-side design keeps the installation straightforward: each skirt lip aligns to the sill's existing mounting points and is secured with a combination of flush fasteners and adhesive bead along the inner edge.

The visual effect of the side skirts works in proportion with the front and rear lips. On a large four-door like the Panamera, a side skirt that runs the full length of the sill creates visual continuity between the front and rear aero pieces and reduces the apparent body-height-to-wheelbase ratio. The Panamera's long wheelbase makes this particularly effective; the skirt lip acts as a horizontal visual divider that makes the car look lower relative to its length.

Rear Lip and Rear Wing

The carbon fibre rear lip mounts along the lower edge of the Panamera's rear bumper. The CMST design follows the curvature of the factory bumper closely, creating a piece that reads as a factory option from a short distance. This restraint is deliberate: the Panamera's rear end is already well-proportioned, and an overly angular aftermarket lip can disrupt the original design language.

The rear wing occupies the trailing edge of the bootlid. On a Panamera, this is a longer span than on a two-door sports car, so the wing's visual scale must be proportioned accordingly. The CMST wing is a fixed-element design — it provides downforce at speed but does not replicate the variable-deployment behaviour of the factory active rear spoiler available on certain Panamera variants. Owners with the factory active spoiler will need to choose between the systems, as both occupy the same bootlid trailing edge. For enquiries about specific Panamera variant compatibility, the CMST Porsche spoiler collection page covers available configurations.

The Valved Cat-Back Exhaust System

CMST supplies an optional valved cat-back exhaust for the Panamera as a complement to the aero kit. The system is manufactured from SUS304 stainless steel — an austenitic stainless grade used throughout the automotive exhaust industry for its combination of high-temperature resistance, corrosion resistance, and workability. The SUS304 specification means it will not rust in Australian coastal conditions the way mild steel systems do, which is a practical consideration given how many Panamera owners garage their cars near coastlines.

The pipe diameter is increased over the factory specification. A larger-bore exhaust reduces backpressure — the resistance the engine's exhaust gases must push against to exit the system. On a turbocharged engine, lower exhaust backpressure allows the turbocharger to spool more freely, which can improve mid-range and high-rpm power delivery. CMST does not publish specific horsepower claims for this exhaust, and AME Motorsport does not fabricate dyno numbers. What is mechanically sound: reduced restriction in the mid-pipe and muffler section does improve gas flow relative to factory, and the valve mechanism allows the driver to control the system's sound character between closed (quieter) and open (louder) modes.

The valve in the system is a butterfly-type valve operated electronically via a remote controller or integrated into the car's existing drive mode selector where compatible. With the valve closed, the exhaust note remains close to factory — acceptable for early-morning departures in residential areas. With the valve open, the increased pipe diameter and reduced muffling allow the Panamera's engine to generate a noticeably more audible exhaust note, particularly under full-throttle acceleration. The carbon fibre exhaust tips are a visual finishing touch that matches the body kit's material language. Explore the full CMST cat-back exhaust range for additional configurations.

The Complete Panamera Build

Running the full CMST aero kit — front lip, bonnet, side skirts, rear lip, and rear wing — together with the valved exhaust creates a cohesive build where every visible modification shares a material and design language. Carbon fibre across the exterior against a Panamera in a dark solid or metallic colour (black, dark grey, midnight blue) produces the strongest visual contrast. On lighter Panamera colours such as Chalk or Crayon, carbon tends to read softer against the pale body; owners of light-colour cars often opt for a body-colour-matched front and rear lip while keeping the bonnet and wing in exposed carbon.

The Panamera's profile lends itself to this type of build precisely because it is a long, heavy car with a restrained factory appearance. The aero pieces do not transform it into something it isn't — they sharpen its existing proportions and signal that the owner chose this car for its capabilities, not just its badge. To browse the complete range of CMST Porsche body kit options or discuss a Panamera build, contact AME Motorsport.

Frequently Asked Questions

What Panamera generations does the CMST aero kit fit?

The CMST Panamera kit is designed around the 971-generation Panamera (2016-2023). Compatibility with the 970-generation (2009-2016) or the 2024-onward revised 971 should be confirmed with AME Motorsport before ordering, as bonnet and bumper profiles changed between generations.

Does the vented CMST bonnet provide a real cooling benefit on a petrol Panamera?

Yes, on petrol Panamera variants. The extraction vent positioned at the rear centre of the bonnet allows heat rising from the engine bay to exit the body rather than recirculating. On turbo-petrol Panamera variants that generate significant underbonnet heat, this reduces heat soak. On plug-in hybrid Panamera variants, the benefit is reduced because the engine runs less frequently at full load.

Does the CMST valved exhaust work with the Panamera's factory sound management system?

The CMST valved exhaust replaces the factory muffler and mid-pipe, which contain the factory's passive exhaust management. The aftermarket valve provides its own sound control mechanism, but it will not integrate with the Panamera's factory Sport or Sport Plus mode exhaust sound settings unless a professional installer connects the valve to the existing control circuit. Many installers supply a standalone toggle controller instead.

Can the CMST carbon fibre bonnet be fitted with a bonnet bra or paint protection film?

Yes. The CMST carbon bonnet's gel coat surface accepts automotive-grade paint protection film (PPF) and clear vinyl bra material. Applying PPF across the leading edge of the bonnet is strongly recommended, as stone chips that crack carbon fibre are harder to repair than chips in PPF, which can be replaced without affecting the underlying panel.

How does carbon fibre hold up to Australian UV conditions?

Untreated carbon fibre resin yellows under prolonged UV exposure, typically becoming visible within 18–24 months in high-UV Australian climates. All carbon fibre pieces should receive a UV-stable clear coat or ceramic coating immediately after installation and should be maintained with UV-protective detailing products to preserve the black weave appearance over time.