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Audi A3, S3 & RS3 Body Kit Cost UK | Complete Price Guide 2026

July 28, 2026 15 min read

By KITS UK

Audi A3, S3 & RS3 Body Kit Cost UK | Complete Price Guide 2026

An Audi body kit in the UK starts at £169 supply-only for the A3/S3 8Y Sportback Gloss Black Kit, rising to £259 with professional fitting — and up to £3,399 supply-only (£3,759 fitted) for the full RS3 8Y Sportback carbon fibre package. Between those two numbers sits a wide range of splitters, diffusers, spoilers and full carbon packages covering both the 8V (pre-2020) and 8Y (2020+) A3/S3/RS3 platforms.

The A3/S3/RS3 is one of the most heavily styled platforms in the UK aftermarket, and for good reason — the factory silhouette is already sharp, so a well-fitted splitter, diffuser and side skirts push it from "smart hatchback" to "clearly modified" without touching a single factory panel. The question most owners actually have isn't whether to do it, it's which generation and finish makes sense for their car and budget.

This guide is built around real, live KITS UK pricing for the Audi A3, S3 and RS3 range, verified in July 2026. KITS UK is a UK-based styling specialist working across Audi, BMW, Mercedes-Benz and Tesla platforms, with professional fitting available at their West Yorkshire workshop.

⚡ Quick Answer: Audi A3/S3/RS3 Body Kit Cost UK 2026
  • Entry point — 8Y Sportback Gloss Black Kit: £169 supply-only / £259 fitted
  • Individual 8V carbon parts from £349 (diffuser) to £469 (splitter), supply-only
  • Full Carbon Package (S3 8V facelift): £1,199 supply-only / £1,469 fitted — currently on sale
  • Full Carbon Package (RS3 8V facelift): £1,499 supply-only / £1,769 fitted — currently on sale
  • RS3 8Y Sportback Carbon Fibre Package: £3,399 supply-only / £3,759 fitted — the flagship route
  • Fitting adds a flat delta per product (from £45 to £360) with a lifetime fitting warranty
  • 0% finance available: Klarna, Clearpay and Shop Pay instalments

Prices verified at kits.style at time of publication — always confirm on the live product page before ordering, as carbon fibre stock changes.

Audi A3/S3/RS3 Body Kit: Complete Price Table

KITS UK covers both Audi generations currently on UK roads — the 8V (pre-2020) and 8Y (2020+) A3/S3/RS3. Verified pricing as of July 2026:

Part / Package Platform Supply Only With Fitting Availability
A3/S3 8Y Sportback Gloss Black Kit 8Y (2020+) £169 £259 ✅ In stock
A3/S3/RS3 8Y Carbon Fibre Spoiler — CT Design 8Y (2020+) £259 £304 ✅ In stock
RS3 8Y Sportback Carbon Fibre Package 8Y (2020+) £3,399 £3,759 ⚠️ Check live page — sells out
A3 8V Facelift S-Line & S3 Gloss Black Splitter 8V facelift £99 (sale) £189 (sale) ✅ In stock
A3 S-Line & S3 Saloon Pre-Facelift 8V Carbon Fibre Diffuser 8V pre-facelift £349 £484 ✅ In stock
RS3 8V Saloon Carbon Fibre Splitter 8V £379 £469 ✅ In stock
S3 Facelift Saloon 8V Full Carbon Fibre Package 8V facelift £1,199 (sale) £1,469 (sale) ✅ In stock
RS3 8V Facelift Full Carbon Fibre Package 8V facelift £1,499 (sale) £1,769 (sale) ✅ In stock

Additional individual components (mirror covers, side skirts, extra spoiler styles) are available on the Audi A3 collection and A3/S3/RS3 2020+ collection — pricing changes with carbon stock, so always confirm on the live product page, or contact the KITS UK team for current availability.

One number worth noticing: the 8Y Sportback Gloss Black Kit at £169 is one of the lowest entry points across the entire KITS UK range for a complete visual change — fitting adds just £90 with a lifetime fitting warranty, meaning a professionally installed transformation for under £260 total.

Audi A3 S3 8Y Sportback Gloss Black Kit from KITS UK

Which Audi Generation Do You Have? (8V vs 8Y)

Before ordering anything, confirm which A3/S3/RS3 generation you own — the two platforms use different bumper profiles and are not interchangeable:

  • 8V (2012–2020) — split further into pre-facelift (2012–2016) and facelift (2016–2020). This generation has the widest range of individual carbon components at KITS UK: splitters, diffusers, spoilers, mirror covers and side skirts, sold separately or as full carbon packages.
  • 8Y (2020+) — the current-generation A3/S3/RS3, both hatchback (Sportback) and saloon. KITS UK's 8Y range centres on the Gloss Black Kit and the RS3 Sportback Carbon Fibre Package, with individual carbon spoiler styles also available.

If you're not sure which bumper profile your car has, contact the KITS UK team with your registration or model year before ordering — it takes minutes and avoids a fitment issue on delivery.


What's Included in Each Route?

8Y Sportback Gloss Black Kit (£169)

KITS UK's entry-level 8Y package focuses on the components that change the car's silhouette most immediately for the lowest outlay. It's the fastest way to visibly modify a current-generation A3/S3 without committing to a full carbon build.

8V Individual Carbon Components

For 8V owners, KITS UK sells the front splitter, rear diffuser, boot spoiler, mirror covers and side skirts separately — letting you build the look in stages, starting wherever makes the biggest visual difference for your budget.

Full Carbon Packages (S3/RS3 8V facelift)

The full carbon packages bundle the splitter, diffuser, side skirts and spoiler into a single order manufactured together — removing the finish-mismatch risk of buying components from separate suppliers over time.

RS3 8Y Sportback Carbon Fibre Package (£3,399)

The flagship route for the current RS3 Sportback — a complete carbon fibre exterior package for owners building a no-compromise, motorsport-inspired look on the newest platform.

All components are manufactured for accurate fitment on the specific Audi generation stated on the product page. These are exterior styling products only: not structural modifications, and not OEM or genuine Audi parts.

Audi RS3 8Y Sportback Carbon Fibre Package from KITS UK

Gloss Black vs Carbon Fibre: Which Route?

Factor Gloss Black Kit (from £169) Carbon Fibre Route (from £349)
Look Clean, OEM+ — matches Audi's own gloss black trim language Premium, motorsport-inspired weave texture
Entry price £169 supply-only £349 supply-only (single component)
Build approach Single kit, one order Stage individual parts, or one full package
Availability ✅ In stock ⚠️ Full packages sell out — check the live page
Best for Budget-conscious, OEM+ builds, fastest route to a visible change Owners building toward a premium, no-compromise finish

For a deeper comparison of the two materials — durability, finish, cost logic — see the KITS UK guide: Carbon Fibre vs Gloss Black Body Kits.

Audi A3 S-Line S3 Gloss Black Splitter from KITS UK

Is an Audi Body Kit Worth the Money?

For most A3/S3 owners wanting a visible change without a four-figure spend, the £169 8Y Gloss Black Kit is one of the strongest entry points in the entire KITS UK range — here's the honest breakdown:

Low commitment, real impact. At £169 supply-only, this is one of the cheapest routes to a genuinely different-looking A3/S3 anywhere in the KITS UK catalogue — there's very little financial risk in trying it.

One order, one finish. Whether you choose the gloss kit or a full carbon package, buying components manufactured together avoids the finish mismatches that come from sourcing parts from different suppliers over time.

Scales with your build. 8V owners in particular can start with a single carbon component (from £349) and build toward a full package later — the platform doesn't force an all-or-nothing decision.

Who should buy the full carbon packages: S3/RS3 owners who've already decided on the premium look and want it manufactured and supplied as one consistent set.

Who should think twice: owners planning to sell imminently, or anyone unsure which generation (8V vs 8Y) they have — confirm fitment first.

Audi S3 Full Carbon Fibre Package from KITS UK
🔧 KITS UK Workshop Insight

Audi customers are typically the most finish-conscious of any brand we work on — the panel gaps and trim lines on an A3/S3 are already tight from the factory, so a poorly aligned splitter or spoiler stands out more here than on almost any other platform we fit.

The 8Y Gloss Black Kit is consistently our recommended starting point for A3/S3 owners who haven't modified a car before — it's low-risk, keeps the factory-plus look Audi buyers tend to want, and gives an honest sense of whether you want to go further before committing to a carbon package.

💡 KITS UK Expert Tip

If you're deciding between supply-only and fitted, price the difference honestly: fitting deltas on Audi parts range from £45 (individual spoiler) to £360 (RS3 8Y package), and every fitted job carries a lifetime fitting warranty. On multi-piece kits especially, that warranty is the difference between a finish you check twice and one you never think about again.


Supply Only vs Professional Fitting

Factor Supply Only / DIY Professional Fitting at KITS UK
Total cost (8Y gloss kit) £169 £259
Tools required Trim tools, fixings, basic kit None — handled by KITS UK
Time required Variable — allow a day for a full kit Workshop appointment
Alignment risk Higher — splitter, diffuser and spoiler alignment is highly visible on Audi's tight panel lines Low — technicians experienced with the platform
Warranty on fitting work None Lifetime fitting warranty
Best for Confident DIY owners Full-package installs, first-time fitment, lease/finance cars where the finish must be right

Fitting takes place at the KITS UK workshop: Unit 3C Onward Park, Phoenix Ave, Green Lane Industrial Estate, Featherstone, West Yorkshire WF7 6EP — open Tuesday–Friday 9am–5pm and Saturday 9am–4pm, with a customer waiting area (WiFi, drinks, Smart TV) if you'd rather wait with the car.


Why Professional Fitting Matters on an Audi

  • Splitter and diffuser alignment — these define the lowest visible lines on the car; a few millimetres of asymmetry is obvious against Audi's tight factory panel gaps
  • Multi-piece kits — full carbon packages have several components that need to sit flush and even with each other and the factory bumper lines
  • Panel-safe installation — reduces the risk of damage to factory clips, bumper tabs or paintwork, which matters on any car but especially on lease and finance vehicles
  • Secure fixing — properly fitted components won't work loose or vibrate at motorway speed
  • Lifetime fitting warranty — every install carried out by KITS UK is warrantied for life
Audi carbon fibre diffuser detail from KITS UK

Recommended Audi Upgrade Order

If you're building in stages rather than buying a full package outright, this is the order that delivers the strongest result at each step:

Step Upgrade Why This Order
Step 1 Front Splitter The highest-impact single change — defines the front of the car immediately.
Step 2 Rear Diffuser Balances the splitter and completes the lower-body transformation front to back.
Step 3 Side Skirts Connects front and rear, visually lowering the whole profile.
Step 4 Spoiler / Mirror Covers The finishing details that complete the silhouette.

For a deeper look at how to prioritise these part types on any car, see: Front Splitter vs Rear Diffuser vs Side Skirts: What First?


What About the Audi RS4?

If you drive the bigger sibling, KITS UK also stocks a dedicated RS4 B9.5 Carbon Fibre Kit — CT Design V.2, priced at £3,499 supply-only (£3,859 fitted), on the same premium carbon fibre tier as the RS3 8Y package. Browse the full range on the Audi RS4 collection.


Audi Fitment: What to Check Before Ordering

  • Confirm 8V vs 8Y — the two generations use different bumper profiles and parts are not interchangeable
  • Pre-facelift vs facelift (8V) — the 2016 facelift changed bumper detailing; some 8V components are generation-specific
  • Saloon vs Sportback vs Convertible — spoiler and some rear components differ by body style
  • S-Line vs standard bumpers — several splitters and diffusers are designed specifically for S-Line/S3/RS3 bumpers
  • Existing accessories — mud flaps, PPF or existing splitters can affect fitment; mention them when ordering

If in any doubt, contact the KITS UK team with your model year and bodystyle before ordering — confirming fitment takes minutes and avoids a return.


How to Look After Audi Styling Parts

  • Wash regularly — gloss black and carbon finishes show road film more readily than body paint
  • Use a pH-neutral shampoo and clean microfibre towels to avoid swirl marks
  • Avoid abrasive products not designed for gloss or carbon surfaces
  • Take care around the front splitter when parking nose-in against kerbs or speed bumps
  • Inspect the lower components after winter driving or rough roads

Common Mistakes When Buying an Audi Body Kit

  • Ordering the wrong generation: 8V and 8Y parts are not interchangeable — always confirm before ordering
  • Mixing suppliers: a splitter from one brand and diffuser from another rarely match in finish once side by side on the car
  • Ignoring fitting cost: if you're planning professional fitting, budget the delta from the start rather than discovering it at checkout
  • Assuming "body kit" means a structural conversion: this is a bolt-on styling upgrade for a standard road car, not a conversion — but the distinction matters for insurance conversations, so describe it accurately
  • Buying on price alone: the cheapest unbranded kits online are often inconsistent in fitment, and a poorly aligned splitter is worse than no splitter

KITS UK Score Cards

Visual Impact ★★★★☆
Install Difficulty Low–Moderate — DIY-friendly, fitting recommended for best finish
Value for Money ★★★★★
Recommended? ✅ YES — the strongest low-risk entry point for A3/S3 owners
Best For First-time modifiers wanting a visible change at low cost
Visual Impact ★★★★★
Install Difficulty High — professional fitting strongly recommended
Value for Money ★★★★☆
Recommended? ✅ YES — for premium builds; check live availability first
Best For RS3 owners who specifically want a complete, matched carbon fibre finish

Why Choose KITS UK?

  • UK-based company — no overseas returns, no customs delays
  • West Yorkshire professional fitting with a lifetime fitting warranty
  • Rated 4.9★ on Trustpilot from verified buyers
  • Supply only or supply and fit — your choice at checkout
  • Next-day dispatch on in-stock items ordered before 3PM
  • 0% finance: Klarna, Clearpay and Shop Pay instalments
  • Real builds documented on the KITS UK YouTube channel — see finished results before ordering

Frequently Asked Questions

How much does an Audi body kit cost in the UK?

KITS UK's Audi range starts at £169 supply-only (£259 fitted) for the A3/S3 8Y Sportback Gloss Black Kit, up to £3,399 supply-only (£3,759 fitted) for the RS3 8Y Sportback Carbon Fibre Package. Individual 8V carbon components range from £349 to £469, and full 8V carbon packages run £1,199–£1,499 supply-only.

What's the difference between the 8V and 8Y Audi A3/S3/RS3?

The 8V covers 2012–2020 (split into pre-facelift and facelift), while the 8Y is the current 2020+ generation. The two use different bumper profiles and parts are not interchangeable — always confirm your generation before ordering.

How much does professional fitting cost?

Fitting deltas vary by product, from £45 on an individual spoiler up to £360 on the RS3 8Y package. Every fitted job is carried out at the KITS UK workshop in Featherstone and carries a lifetime fitting warranty.

Is this a structural conversion?

No. These are exterior styling upgrades for a standard road-going Audi — no structural modifications are required, and they are aftermarket styling products, not OEM Audi parts.

Can I buy individual parts instead of a full package?

Yes, especially on the 8V platform — splitters, diffusers, spoilers, mirror covers and side skirts are all available individually, letting you build the look in stages.

Can I fit it myself?

Yes — supply-only is available for confident DIY owners. For multi-piece kits, professional fitting is recommended given how visible misaligned panel lines are on Audi's factory-tight gaps.

Do the full carbon packages sell out?

Yes — the S3/RS3 8V facelift packages and the RS3 8Y Sportback package are subject to stock. Always check the live product page or contact the team for current availability.

Does KITS UK cover the Audi RS4?

Yes — a dedicated RS4 B9.5 Carbon Fibre Kit is available at £3,499 supply-only (£3,859 fitted) on the Audi RS4 collection.

Can I pay monthly?

Yes — Klarna, Clearpay and Shop Pay instalments are available at 0% interest at checkout.



Final Thoughts

An Audi body kit from KITS UK spans one of the widest price ranges in their catalogue — from a £169 entry-level Gloss Black Kit for the current 8Y A3/S3, up to a £3,399 flagship carbon fibre package for the RS3 8Y Sportback, with a full run of individual 8V carbon components in between for owners building in stages.

Whichever route fits your budget, the same principle applies on Audi more than almost any other platform: the factory panel gaps are tight, so alignment shows. With fitting deltas as low as £45 and a lifetime warranty on every install, professional fitting is one of the easiest recommendations in the KITS UK range.

Written by KITS UK Technical Team
Professional Automotive Styling Specialists — West Yorkshire, UK
Last Updated: July 2026

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