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Rear Bumpers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
Rear Bumper Diffuser Fins for GTS, Sport Design & Aero Kit Cars
Enhance the rear styling of your Porsche 911 (992.1) with
these precision-designed Rear Bumper Diffuser Fins, developed
specifically for models equipped with the Sport Design Package, GTS or Aero
Kit. Designed to complement the factory rear diffuser, these fins add a
more purposeful, motorsport-inspired appearance while maintaining the clean
lines and premium finish expected of a Porsche.
Fits:
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
Manufactured using high-quality 3D printing technology, the diffuser fins feature a durable matte black finish that closely matches the factory bumper trim, creating a subtle OEM+ appearance. Installation takes only seconds with no drilling, cutting or specialist tools required, making this a simple yet highly effective styling upgrade that can be completely reversed if desired.
What Do Rear Bumper Diffuser Fins Do?
Rear bumper diffuser fins are designed to enhance the
appearance of the lower rear bumper by giving the diffuser a more aggressive
and performance-focused look. Inspired by motorsport aerodynamic styling, they:
- Create a sharper, more defined rear diffuser appearance.
- Complement the factory Sport Design, GTS and Aero Kit styling.
- Enhance the visual width and road presence of the vehicle.
- Deliver an OEM-inspired finish without permanent modification.
- Install quickly while remaining fully removable.
While primarily a cosmetic upgrade, the fins contribute to the vehicle's sporty aesthetic and help distinguish your Porsche from standard models.
Why Do Rear Diffuser Fins Need Replacing?
Although manufactured from durable materials, diffuser fins
can become damaged through everyday driving. Common reasons for replacement
include:
- Scrapes from steep driveways, kerbs or speed bumps.
- Impact damage from road debris.
- Cracking or breakage caused by accidental contact.
- UV exposure causing fading or surface wear over time.
- Damage during rear bumper removal or repair work.
Replacing damaged diffuser fins restores the original appearance of the rear bumper and maintains the premium finish of your Porsche.
When Should Rear Diffuser Fins Be Replaced?
Diffuser fins should be replaced if they become:
- Cracked or broken.
- Heavily scratched or scuffed.
- Loose or no longer securely mounted.
- Faded or cosmetically worn.
- Damaged following minor collisions or bumper repairs.
Many owners also choose to install these fins when upgrading to a Sport Design, GTS or Aero Kit rear bumper or as part of a wider exterior styling enhancement.
Premium Quality Styling Upgrade
These rear bumper diffuser fins offer:
- Precision fit for Porsche 911 (992.1) Sport Design, GTS and Aero Kit rear bumpers.
- Durable high-quality 3D printed construction.
- Matte black finish closely matching factory bumper trim.
- No drilling, cutting or permanent modification required.
- Fast installation in seconds.
- Fully reversible design.
- OEM-inspired styling with a more aggressive rear appearance.
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24

Materials:
- Polyethylene plastic (PP) - All parts
- Polyethylene plastic (PP) bumper + Carbon Fibre diffuser*
*Please note the lower guard supplied with this kit is not carbon fibre.
If you wish to have it in carbon please order 992GT3RBGDC in addition to this kit.
Please note: This item is special order only. Not stocked. Please allow approx 10-12 weeks for delivery.
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24

Material:
Dry Carbon Fibre
Rear bumper kit comes with Aluminum cover in price of the kit. If you want to upgrade it to carbon, please order this product.
Please note: This item is special order only. Not stocked. Please allow approx 10-12 weeks for delivery.
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
Fits:
Porsche 992 - 2019 to 2024
For cars with Standard rear bumper (non Sport Design)
Dissident's 992 carbon fibre rear diffuser features OEM+ grade fitment giving an enhanced material palette and far sportier stance & appearance. It works fantastically well in conjunction with our side sills / rocker panels to give a great side profile. Fitment takes minutes and is 100% reversible should this ever be required. No cutting / drilling required.
This item is suitable for all 992 Carrera models featuring standard / base rear bumpers (not Sport Design bumpers).
The diffuser is available in a range of finishes including - gloss lacquered visual carbon, bare / raw carbon, painted gloss black or primer finished.
All our components feature our unique designs and are made by hand in the UK and cured via autoclave in carbon fibre / metallic precision made tooling to deliver OEM grade components weave matched to standard OEM weaves used on external mirrors and roof panels.
This product is currently not TÜV approved.
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24

Fits:
Porsche 992 Carrera - 2019 Onwards
Porsche 992 Targa - 2019 Onwards
Prepreg dry carbon fibre with high polished black finish
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
992CARBREARDIFF
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
The TÜV parts certificate (§19.3) is currently in preparation

Fits:
Porsche 992 Carrera S | 4S with the standard rear bumper.
The new Moshammer rear diffuser from the 992 Touring Evo S program is a beautiful oem+ design element that gives your Porsche a unique appearance.
It is also the definition of maximum use of existing conditions, to channel the air that breaks off after the underbody.
The interaction of the diffuser with the smooth underbody of the 992, creates a so-called negative ground effect "inverted wing profile", which helps to stabilize the handling.
This rear diffuser is delivered unpainted.
Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P992.40.3042
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
This will not fit cars with the Factory Sport Design Package
• Rear apron suitable for Porsche 911/992 2019>>
• Suitable for the model / body variant (s) Carrera, Carrera 4, Carrera S and Carrera 4S
• Vehicle-specific TÜV approval, therefore registration-free!
• Good fit, as no universal part but specially developed for this type of vehicle!
• The rear apron is made of high-quality ABS material and has a structured (grooved) surface, making the spoiler lip very unsusceptible to scratches
• Due to the structured surface, no painting is necessary! (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.
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
Fits:
Porsche 992 Carrera / Carrera S
Porsche 992 Carrera 4 / Carrera 4S
Porsche 992 Targa 4 / Targa 4S
TECHART Aero Wings to be painted in body colour are located above the diffuser and add a finishing touch to the 911's rear.
The trims surround the 911's exhaust tips on both sides and add emphasis to the rear air outlets.
Does not fit on SportDesign rear bumper
Kit contains two pieces
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
092100510009
The product you are viewing cross references to these numbers
Porsche Rear Bumpers
At Design911, we supply a wide range of rear bumpers for Porsche models, helping you maintain, personalise and enjoy your car.
Why do Porsche Rear Bumpers matter?
Rear bumpers affect how the back of your Porsche looks and how it copes with everyday knocks. Over time they can suffer from impacts, scuffs, UV fading or cracking, or simply start to look tired compared with the rest of the car. Replacing tired or damaged bumpers helps your Porsche feel better cared for and can prevent small niggles turning into larger jobs later on.
- Keep your Porsche looking smart rather than tired or neglected
- Help protect the rear bodywork from minor impacts and corrosion
- Reduce niggles such as misalignment, rattles or mismatched paint
- Support long-term enjoyment, pride of ownership and potential resale value
Common options & kits
Individual replacement parts
Specific items to address a particular area or issue without changing everything at once.
- Ideal for targeted repairs after scratches, dents or cracks
- Lets you replace only what is needed (skin, carrier, trims, brackets)
- Helps keep initial repair costs under control
Matched sets or pairs
Components supplied together so both sides or related items are renewed at the same time.
- Consistent fit, finish and panel gaps across the rear end
- Helps avoid uneven wear, colour mismatch or ageing
- A sensible choice when refreshing the full rear bumper area
Complete kits
Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.
- Everything specified in a single package for a given Porsche model or conversion
- Saves time compared with sourcing bumper, supports and trims individually
- Ideal when upgrading to sport, GT or widebody styles, or during restoration
Brands & quality options
At Design911, we stock genuine Porsche parts where available, plus OEM-equivalent and carefully selected aftermarket brands. This lets you choose between keeping things original, adding subtle upgrades or managing budgets on everyday maintenance.
DelaVilla
DesignTek
Fibre Glass
FibreTek
Jacquemond
When should you review or replace your Porsche rear bumpers?
Checking rear bumpers regularly helps you spot impact damage, warping or age-related deterioration before it affects appearance, alignment or leads to more expensive body repairs later on.
- Existing bumpers are scratched, cracked, distorted, poorly repaired or missing trims
- You notice poor alignment with the rear wings, lights or engine lid after bodywork
- The car has had a body conversion or widebody kit and the old bumper no longer fits correctly
- Paint is badly faded, peeling or weathered compared with the rest of the Porsche
- You want a sportier, GT or OEM-look bumper to improve appearance or originality
- You are preparing the Porsche for sale and want the rear end to present cleanly
If any of these apply, it is a good time to review your rear bumpers and replace anything that is past its best so your Porsche stays smart, structurally sound and enjoyable to own.
Explore Porsche rear bumpers with Design911
Browse rear bumpers for Porsche at Design911 — from individual parts to complete conversion kits — and find options to suit repairs, upgrades and full restoration projects.