Front Spoilers / Bumpers

911 GT3 Manthey Kit. For vehicles with a 20/21-inch Manthey lightweight wheel set.



Fits:
Porsche 992 GT3 - 2021 Onwards

911 GT3 Manthey Kit

The Manthey Kit offers comprehensive optimisation of the race track characteristics of the 911 GT3 (Type 992). In close cooperation with the engineers from Porsche and Manthey, the specifications of the vehicle have been specifically coordinated for use on the race track and at track days. For Porsche works driver Kévin Estre, this means a lap time of 6:55.737 minutes for the 20.8 kilometres of the Nürburgring Nordschleife. And for all other drivers: even better handling, even faster cornering speeds and even more adrenaline.

Improvements were achieved through the use of new aerodynamic and chassis components, modifications to the brake system and the optionally available Manthey lightweight wheel set. The 911 GT3 Manthey Kit is the result of decades of experience in GT sport, complex aerodynamic simulations and countless test kilometres on the Nürburgring Nordschleife. In addition, all components have been intensively matched and tested on the driving dynamics test bench and in the high-performance wind tunnel of the Porsche Development Centre in Weissach.

Aerodynamics package
In keeping with the principle of "form follows function", the aerodynamics of the vehicle have been modified and its design has been further honed: A new, larger lip is used at the front of the vehicle, The combination of its optimised geometry, the characteristic flaps and the additional air baffle elements on the underbody increases the downforce at the front axle by approx. 30%. The downforce on the rear axle is increased by around 45% by the new flow-optimised rear diffuser with longer fins in combination with the larger rear wing made of exposed carbon fibre. The rear wing features an angled blade as well as enlarged side plates painted with the Manthey logo. The aerodynamics package is completed by the carbon aerodiscs on the rear wheels. These reduce turbulence at the rear end and are available with a decorative film to match the colour of the vehicle’s exterior or wheel rims. Overall, the aerodynamics package significantly improves vehicle handling and thus contributes significantly to the performance of the 911 GT3.

Coilover suspension
Extensive testing was performed on the race track and driving dynamics test bench to develop a set-up for the coilover suspension (available with and without a front axle lift system) that leaves no wish unfulfilled in terms of performance, driveability or comfort. For example, the all-aluminium spring struts feature four-way adjustability of the damping force. The lightweight components allow ultra-precise adaptation to the respective track conditions and individual driver preferences. The damping force can be adjusted with easy accessibility and without tools in both the compression and rebound stages for low and high speed settings. The moderately adapted spring rates (+10% on the front axle, -7% on the rear axle) mean that the handling and balance of the 911 GT3 have been further optimised.

Brake line set with steel sleeve
The brake line set with steel sleeve ensures even more direct pedal feedback and a faster response time as a result. This component of the Kit was also tested and co-developed by Manthey on the Nürburgring Nordschleife.

The brake system of the 911 GT3 can optionally be fitted with racing brake pads. These pads were developed specifically for race track use and improve the fading characteristics as well as responsiveness and control. The brake pads are characterised by constant friction behaviour over a wide temperature range and very good wear behaviour with low disc wear.

Additional equipment
Two red towing loops are included in delivery for race track use. These are bolted onto the designated coils on the front and rear ends and must be removed again before driving on public roads.

As additional visual highlights, the 911 GT3 Manthey Kit includes new illuminated door entry guards in matte carbon with the Manthey logo in red and white. The LED door projectors in the side door exit lights project a white Manthey logo on both driver's and passenger's sides. The Manthey logo can also be applied to the vehicle doors in white or black.

Wheel set
The Manthey Kit is compatible with both the 20/21-inch 911 GT3 wheel set (standard gear wheel set) and the 20/21-inch 911 Manthey lightweight wheel set (available without tyres, valve and tyre pressure monitoring system sensor).

In order to further reduce the overall weight of the already lightweight-designed vehicle, the design of the standard wheel was technologically optimised with the 20/21-inch 911 Manthey lightweight wheel set. The result: A reduction in the springless and rotating masses by 16.1 lbs. (7.3 kg) per vehicle set, which significantly benefits the responsiveness of the spring/damper elements and further improves vehicle control.

The 20/21-inch 911 GT3 wheel set is available in the following paint finishes:

- Brilliant Silver

- Black (satin-gloss)

- Dark Silver

The 20/21-inch 911 Manthey lightweight wheel set is available in the following paint finishes:

- Brilliant Silver

- Black (satin-gloss)

- Dark Silver

- Neodyme

The wheel sets are suitable for the corresponding tyre sizes:

Front axle: 9.5J x 20 RO 46 with 255/35 ZR 20 (97Y) XL tyres

Rear axle: 12 J x 21 ET 45 with 315/30 ZR 21 (105Y) XL tyres.

Porsche recommends using Michelin Pilot Sport Cup 2 R tyres.

Note: Approval for road use and warranty are unaffected. The individual components of the 911 GT3 Manthey Kit are precisely matched. For this reason, they must only be installed together on the vehicle. Individual offers are shown separately. For further information, please contact your Porsche Centre.

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992044855

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Air inlet centre trim carbon fibre. 

Fits:
Porsche 992 GT3 - 2021 to 2023
Porsche 992 GT3 RS - 2021 to 2023

Materials:
Dry Carbon Fibre

Diagram ref no 3

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Cup spoiler lip / spoiler sword for Porsche 911/992 with ABE (registration free!)

This will not fit cars with the Factory Sport Design Package

Attach and drive off - without any further entry in the vehicle documents. With ABE (vehicle-specific TÜV approval), therefore registration-free. There is therefore no need for acceptance by one of the technical monitoring services.

• Suitable for Porsche 911/992 year of construction 2019>>
• Suitable for the model / body variant (s) Carrera, Carrera 4, Carrera S and Carrera 4S
• Sporty look and integrated underride protection for your original bumper
• Is screwed to the original bumper, mounting material is included
• With ABE and therefore registration free
• Good fit, as no universal part but specially developed for this type of vehicle!
• Cup spoiler lip is made of high-quality ABS material and has a structured (grooved) surface, making the spoiler lip very insusceptible to scratches
• Due to the structured surface, no painting is necessary! Of course, the surface structure still allows painting (product is unpainted)
• Including assembly instructions
• Material is flexible

Please note: This is a special-order item, can take 8-12 weeks to be delivered and once ordered cannot be cancelled.

The SilverRocket dry carbon fibre dual-element dive plane set is a model-specific front-bumper aerodynamic upgrade for the Porsche 992.1 GT3 RS 4. Its exposed carbon construction and high-gloss finish are designed to complement the purposeful bodywork of the GT3 RS.

Fits:
Porsche 992.1 GT3 RS 4.0L 2022-24

What This Product Does

Dive planes, also known as canards, introduce additional aerodynamic surfaces at the sides of the front bumper. Silver Rocket developed this design to manage airflow around the front of the vehicle and increase front-axle downforce. The dual-element arrangement also adds a more pronounced motorsport-inspired appearance without requiring holes to be drilled in the bumper.

Functions

• Adds supplementary aerodynamic surfaces to the front bumper.
• Designed to increase front-axle downforce.
• Directs airflow around the front corners of the vehicle.
• Complements the existing aerodynamic bodywork of the GT3 RS.
• Provides an exposed carbon fibre exterior detail.
• Allows accurate positioning using the supplied fitting template.

Technical Details

• Manufactured from racing-grade dry carbon fibre.
• Dual-element, model-specific dive plane design.
• High-gloss exposed carbon fibre finish.
• Carbon weave and finish developed to coordinate with Weissach Package carbon components.
• No-drill installation method.
• Precision-cut positioning template included.

Symptoms of Fault

• Cracks or chips caused by road debris or minor impacts.
• Carbon fibre delamination or deterioration of the clear finish.
• Movement, vibration or rattling due to weakened attachment points.
• Uneven positioning or visible misalignment between sides.
• Edges lifting because of unsuitable installation or poor surface preparation.
• Contact with surrounding paintwork caused by incorrect placement.

Why Replacement Matters

Damaged, loose or incorrectly positioned dive planes can affect appearance and may no longer manage airflow as intended. Replacing compromised components restores a secure, symmetrical installation. Surfaces should be cleaned thoroughly and the parts dry-fitted with the supplied template before final attachment. Silver Rocket specialises in Porsche GT and RS components, with product development informed by customer racing and circuit testing.

FAQs

• Does installation require drilling?
  No. Silver Rocket specifies a no-drill installation method for this product.
• Is a positioning template supplied?
  Yes. A precision-cut template is included to assist with consistent placement on both sides of the front bumper.
• Will the finish complement Weissach Package carbon fibre?
  The high-gloss exposed weave is developed to coordinate with the appearance of the factory Weissach Package carbon components.
• What should be checked before installation?
  Inspect the mounting surfaces, confirm the positioning with a dry fit and ensure the bumper is clean, dry and free from wax or contamination.

SilverRocket Dry Carbon Fibre Lower Side Spoiler 

The SilverRocket Dry Carbon Fibre Lower Side Spoiler is a functional aerodynamic upgrade developed specifically for the Porsche 992 GT3 RS.

Fits:
Porsche 992.1 GT3 RS 4.0L 2022-24

Positioned at the lower outer edges of the front bumper, the spoilers are designed to increase front-axle downforce while adding a more aggressive, motorsport-inspired appearance to the GT3 RS.

Manufactured from 100% racing-grade dry carbon fibre, they combine lightweight construction with a high-gloss exposed carbon finish developed to closely complement Porsche's factory Weissach Package carbon components.

What Do the Lower Side Spoilers Do?

The lower side spoilers interact with airflow around the outer sections of the front bumper.

SilverRocket developed their profile specifically to increase aerodynamic loading over the front axle. As speed rises, this additional front downforce can contribute to the aerodynamic performance of a track-focused GT3 RS.

Why Upgrade the Front Aerodynamics?

The Porsche 992 GT3 RS uses an advanced aerodynamic package to manage airflow and generate substantial downforce.

For cars being further developed for track use, additional front aerodynamic components can be used to alter the balance between front and rear downforce. This can be particularly relevant when other aerodynamic modifications have also been made to the rear of the vehicle.

Any significant changes to front or rear downforce should be considered as part of the car's complete aerodynamic setup.

Racing-Grade Dry Carbon Fibre

The lower side spoilers are manufactured from 100% racing-grade dry carbon fibre, providing high strength and durability while keeping additional weight to a minimum.

Their high-gloss exposed carbon finish is designed to integrate with the GT3 RS's existing carbon fibre components.

Weissach Package Matching Finish

SilverRocket uses customised carbon fibre fabric together with its polishing and manufacturing processes to closely reproduce the texture and appearance of Porsche's factory Weissach Package exposed carbon fibre.

This makes the lower side spoilers particularly suitable for Weissach-equipped cars where maintaining a consistent carbon weave and finish is important.

No-Drill Installation

The spoilers are designed for minimally invasive installation and can be fitted without drilling holes into the vehicle.

A precision-cut positioning template is included to help locate the components accurately during installation, helping achieve correct and consistent placement.

Porsche 992 GT3 RS Carbon Fibre Front Spoilers & Aerodynamic Upgrades

The Porsche 992 GT3 RS makes extensive use of aerodynamic components to control airflow around the body and generate downforce. For owners developing the car further, front bumper spoilers and other carbon fibre aero components provide additional opportunities to modify front aerodynamic loading.

The SilverRocket Dry Carbon Fibre Lower Side Spoilers are designed specifically for the Porsche 992 GT3 RS and are intended to increase front-axle downforce while retaining a clean, integrated appearance.

Their racing-grade dry carbon fibre construction provides a lightweight solution, while the high-gloss exposed weave is designed to closely complement factory Weissach Package carbon components. No-drill installation also allows the upgrade to be fitted without permanently drilling the original bodywork.

For track-focused Porsche 992 GT3 RS builds, lower side spoilers can form part of a wider aerodynamic package alongside carbon fibre dive planes, rear wing upgrades, wing endplates, roof fins, shark fins and Gurney flaps.

SilverRocket dry carbon fibre triple-element dive plane set for the Porsche 992.1 GT3 RS. This model-specific, six-piece set adds three aerodynamic elements to each side of the front bumper and is designed to complement the car’s existing motorsport-derived bodywork.

Fits:
Porsche 992.1 GT3 RS 4.0L 2022-24

What This Product Does

The dive planes are shaped to manage airflow around the front corners of the vehicle and are intended to increase front-axle downforce. Their three-element arrangement also gives the GT3 RS a more pronounced track-inspired appearance while retaining a balanced layout across both sides of the bumper.

Functions

• Manages airflow around the front bumper corners
• Supports increased aerodynamic loading at the front axle
• Provides three matching elements on each side
• Complements the exposed carbon components of Weissach Package vehicles
• Allows installation without drilling the bumper

Technical Details

• Manufactured from 100% racing-grade dry carbon fibre
• Six-piece set comprising three left-hand and three right-hand dive planes
• High-gloss exposed carbon finish
• Carbon weave and finish developed to coordinate with factory Weissach Package components
• No-drill installation design
• Precision-cut positioning template included

Symptoms of Fault

• Cracked, chipped or delaminated existing aerodynamic elements
• Loose components or rattling around the front bumper
• Uneven positioning between the left and right sides
• Clouding, scratches or deterioration of the exposed finish
• Damage caused by kerbs, road debris or incorrect installation

Why Replacement Matters

Damaged or poorly aligned dive planes can detract from the finish of the vehicle and may not manage airflow as intended. Correct positioning is particularly important with a multi-element arrangement, so the included template should be used when locating each component. Dry-fit the complete set before final installation and ensure the bumper surfaces are clean, dry and free from contaminants.

FAQs

• Is this set model-specific? Yes. It is developed for the Porsche 992.1 GT3 RS.
• How many pieces are supplied? The set contains six dive planes: three for the left side and three for the right side.
• Does installation require drilling? No. Silver Rocket specifies a no-drill installation design.
• Is a fitting guide included? A precision-cut template is supplied to assist with consistent positioning.
• Does the finish suit a Weissach Package car? The high-gloss weave is designed to coordinate with the exposed carbon finish used on Weissach Package components.

Inspired by the quarter-panel vents of the 992 Turbo and GT3 RS, this dry-carbon overlay lets you bring that motorsport-focused aesthetic to your own 992 Carrera, Targa, or GT3. Designed as a high-quality stick-on piece, it enhances your Porsche with a clean, integrated look and effortless installation. 

Fits:
Porsche 992-1 Carrera 2019-24
Porsche 992-1 Targa 2019-24

Porsche 992-1 GT3 2021-25
Porsche 992-1 GT3 Touring 2021-25

Porsche 992-2 Carrera 2025>>
Porsche 992-2 Targa 2025>> 

NOTE: This product is not suitable for Porsche models equipped with a factory rear quarter-panel air vent, such as the 992 Turbo and GT3 RS. On those models, the vent is functional and this overlay would obstruct it. This piece is intended solely for aesthetic enhancement on models that do not feature a rear vent from the factory.

COMPOSITION: Crafted from prepreg dry carbon fibre and finished in a high-gloss black. 

Front bumper corner splitters in dry carbon fibre. 



Fits:
Porsche 992.1 Carrera   2019 - 24
Porsche 992.1 Targa   2019 - 24

Prepreg dry carbon fibre with high polished black finish

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Fits:
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Front bumper insert available in the following finish
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Fits:
Porsche 992 GT3 - 2019 Onwards

Front bumper lower spoiler available in the following finish
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Fits:
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Front lower spoiler available in the following finish
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Fits:
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Primed

Fits:
Porsche 992.1 Carrera S 2019 - 2024
Cars with (option code: A8C) Comfort equipment
Cars with (option code: A8F) Sports equipment

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