
XYZ Racing Hollow Rear Brake Kit — Audi TT (8S) MK3 (2014-2026)
SKU: XYZ-BRK-BKR-AU-06-C-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø330–421 mm
- Caliper pots6 / 8-pot
- Lead time10–15 working days
Fits Audi TT (8S) MK3 (2014-2026)
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Caliper render for this kit:

The 8S TT carries its engine transversely ahead of the front axle, so the front brakes shoulder the bulk of the stopping work and the factory rear discs are sized accordingly. Lean on a quattro car through repeated heavy stops, though, and the rear axle starts earning its keep under weight transfer, and that modest standard rear setup is usually the first thing to go soft. This XYZ Racing rear big brake kit targets the back end of the Audi TT (8S) MK3 specifically, restoring balance to a car whose braking bias was always going to favour the nose.
It is not a styling exercise. By upgrading the rear discs and calipers as a matched left-and-right pair, the kit gives you a firmer, more progressive pedal and a rear axle that keeps contributing when the brakes are hot rather than fading out of the equation mid-session.
What this brake kit does for your 2014-2026 Audi TT (8S) MK3
After fitting, the most obvious change is consistency: the pedal stays where you expect it on the third and fourth hard stop, not just the first. Pad compound choice drives the character here. The Street compound suits a road car that occasionally sees a B-road blast, the Sport compound bites harder from cold and copes with the odd track day, and the Racing compound is built for sustained circuit abuse where rear fade resistance matters most. Because the upgrade lives at the rear, it also sharpens the TT’s stability under trail-braking, taking some of the edge off the understeer balance these nose-heavy cars carry into a corner.
About the Rear Brake Kit
This rear kit is a matched pair of left and right rear calipers and two-piece floating discs. The disc uses a hollow-vane design that removes mass from the rotor to cut rotating and unsprung weight while opening up a path for heat to escape, so the rear pads and fluid stay within their working range for longer. The forged caliper is hollow-body as standard, and an optional Hollow Racing upgrade is available with no dust cover, a 1000C rating and a two-year warranty for dedicated track use. Three pad compounds (Street, Sport and Racing) let you spec the kit for how the car actually gets used, from daily commuting to circuit work. Discs come drilled or slotted at the same price and run on braided lines. Included painted finishes are Red, Yellow, Gold, Black and Anodized Black at no cost, with a Custom Color in any Pantone for a small upcharge, plus premium polished-forged finishes (Titanium, Polished Gold, Polished Silver) and candy finishes (Candy Teal, Candy Blue, Candy Red, Candy Orange). Two-tone centre bells in five anodized colours, or titanium, are selectable at checkout. Everything is engineered around the rear-axle hardware of the 8S TT, so it bolts to the existing mounting points without re-engineering the back end.
Fitment for the Audi TT (8S) MK3 (2014-2026)
This kit is designed for the rear axle of the 8S-chassis TT MK3 across the 2014 to 2026 model years. It is a rear-position upgrade, so pair it with a matched front setup if you want a fully rebalanced system. Confirm your chassis code and model year against the selector before ordering.
What buyers also search for
- Audi TT (8S) MK3 rear brake upgrade for track days and fast road use
- TT MK3 quattro rear disc and caliper kit with Racing pad option
- Audi TT 8S rear big brake kit in Red, Yellow, Gold, Black or Anodized Black
- Lightweight two-piece floating rear rotors for the 2014-2026 Audi TT MK3
- TT MK3 rear braking balance upgrade for repeated hard stops
Pick your pad compound and caliper colour and configure your kit from the options above.
What’s in the kit
Rear axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 330–421 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 6 / 8-pot
- 2×High-stiffness mounting brackets
- 2×Braided stainless steel brake lines
- 4×High-performance brake pads (1 set)
- 1×Fitting hardware & tools pack
Parking brake: Electronic parking brake (EPB) compatible.
Choosing your spec
Every kit is built to order around the choices you make above. Here is what each option actually changes, so you can spec yours with confidence.
Brake pads — Street, Sport or Racing
Every kit ships with a full set of high-performance pads; the compound is your call.
Street is the right default for fast-road driving — a strong, progressive cold bite with low noise, low dust and long disc life. Sport raises the working temperature and adds bite and fade resistance for hard road use and the occasional track day, while still behaving on a cold morning. Racing is a track compound built for sustained abuse: huge fade resistance and bite once heat is in it, at the cost of more noise and dust when cold. Match the pad to how hard you actually use the brakes — there is no benefit to a race pad that never gets up to temperature.
Caliper grade — Hollow vs Hollow Racing
Hollow is the standard caliper on every kit: a hollow-body forged caliper, lighter than a solid one, fitted with a dust cover and backed by a 5-year oil-leak warranty. For most fast-road and spirited track use it is all the caliper you need.
Hollow Racing is the track-grade upgrade. It runs the same hollow body but without a dust cover (so there is nothing to melt at sustained high temperature), uses a twin-metal piston that isolates heat travelling from the disc to the oil seal, and is rated to 1000°C. Available 330–356mm (rear). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.

Caliper colour & finish
Painted colours (Red, Yellow, Gold, Black, Anodized Black) are included at no cost. Want an exact match to your car? Custom Color (+£150) paints the calipers to any Pantone code you supply (15–20 day lead time).
Polished Forged finishes are the flagship: a forged caliper given a mirror-polished surface treatment that shifts colour with the viewing angle. Beyond the looks, the polished surface dissipates heat better, resists rust and stands up to the weather. Choose Titanium (neochrome, +£350), Polished Gold (+£300) or Polished Silver (+£250). They look their best paired with a titanium centre bell. Care: clean only with a dilute neutral cleaner or water.
Candy colours (+£200) use a deep candy-paint and polishing process for a mirror-reflection, boutique finish — pick Teal, Blue, Red or Orange (shown below right).


Centre bells
The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. The standard anodized centre bell is included. The Two-tone bell (+£200) adds an anodized accent ring — choose Red, Yellow, Orange, Purple or Silver right here at checkout. The Titanium centre bell (+£500) is a forged titanium bell (bolts not included) that finishes off the polished-forged look.

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