The 991 and 992 are the two most common Porsche 911 generations on UK roads today, and both respond well to a handful of well-chosen styling upgrades rather than a full aftermarket overhaul. Here's the order most owners actually upgrade in, and what each part changes.
Front Splitter — The First Thing People Notice
A front splitter is usually the first upgrade 911 owners make, and for good reason: it's the part that changes the car's face the most for the smallest investment. On both 991 and 992 bumpers, a well-fitted splitter sharpens the factory front end without looking like an aftermarket bolt-on, and adds genuine front-end downforce at speed.
Side Skirts — Completing the Lowered Stance
Side skirts matter most once a car is lowered, since factory ride height leaves a visible gap between the sill and the ground that skirts close up. On a 911's long, low profile, this is usually the single biggest change to how "finished" the car looks from the side.
Rear Diffuser — Aero Function Meets Visual Aggression
The rear is where the 911's silhouette is most recognisable, so a diffuser has to work with the factory lines rather than against them. Beyond looks, a diffuser manages airflow leaving the underbody, which is where most of a 911's real aerodynamic gains come from at higher speeds.
Rear Spoiler / Duck Tail — The Classic 911 Signature
No 911 upgrade carries more history than the rear spoiler. A gloss black duck-tail-style spoiler is the most immediately recognisable styling change you can make to a 911, and unlike some other upgrades it doesn't require lowering the car first to look right.
What Order to Upgrade In
- Start with the spoiler or splitter — either works as a standalone first upgrade and doesn't depend on other changes being made first
- Add side skirts once the car is lowered — fitting them before lowering leaves an awkward gap they're not designed to sit in
- Finish with the diffuser — it reads best once the front and sides are already updated, tying the whole car together front to back
991 vs 992 — What Changes
The 991 (2011–2019) and 992 (2019–present) share the same basic silhouette but use different bumper, sill and rear valance profiles, so parts are cut per generation and aren't interchangeable between them. Always confirm your exact model year before ordering, particularly around any 991.1/991.2 facelift changes.
Shop Porsche 911 Parts
Our Porsche 911 collection currently carries a 992 Carrera gloss black rear spoiler (2019–2024), with more 991 and 992 styling parts being added as stock expands — get in touch if you're after a specific part for your model year and we'll let you know what's coming.