
XYZ Racing Hollow Rear Brake Kit — Volkswagen GOLF 5 GTI (2005-2007)
SKU: XYZ-BRK-BKR-VO-004-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø380–421 mm
- Caliper pots8-pot
- Lead time10–15 working days
Fits Volkswagen GOLF 5 GTI (2005-2007)
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Caliper render for this kit:

The Mk5 GTI left the factory with a deliberately front-biased brake setup, and on a sustained track day the modest single-piston rear sliders are usually the first thing to fade. When the rears go soft, the back axle gets light under heavy trail-braking and the car starts leaning even harder on its already-loaded front end. The XYZ Racing Hollow Rear Brake Kit for the Volkswagen GOLF 5 GTI (2005-2007) tackles that imbalance at the axle that the original engineers under-served.
This is a rear-axle upgrade aimed squarely at owners running their 2.0 TFSI GTI on circuit or hard fast-road duty, where the standard rears simply cannot shed heat fast enough to stay consistent. It restores some rearward braking authority to a chassis that has always wanted more.
What this brake kit does for your 2005-2007 Volkswagen GOLF 5 GTI
The Mk5 GTI’s multi-link rear suspension can actually use the extra stopping power this kit unlocks, giving the back of the car more to do under braking instead of dumping everything onto the front struts. The hollow-vane disc cuts rotating and unsprung mass at the rear hubs, which sharpens turn-in response and helps the dampers settle quicker over kerbs. Three pad compound choices let you match bite and heat tolerance to how hard you actually drive: Street for quiet, low-dust commuting, Sport for spirited road work with the heat range for the occasional track day, and Racing for repeat braking zones on circuit. The result is a more planted, more balanced car that holds its braking feel deeper into a session rather than going long on the pedal.
About the Hollow Rear Brake Kit
The Hollow name refers to the disc, a two-piece floating rotor whose hollow-vane core vents heat and reduces rotating mass without giving up swept area. It is a rear big brake package built to lift the GTI’s stopping performance above the conservative OEM rear spec. The caliper is hollow-bodied as standard, with a Hollow Racing upgrade for harder use that drops the dust cover, is rated to 1000C and carries a two-year warranty. The kit ships with a choice of three pad compounds, Street for road use, Sport for spirited driving and occasional track, and Racing for circuit work, so the same hardware suits very different use cases. Faces come drilled or slotted at the same price, and calipers are offered in the included Red, Yellow, Gold, Black and Anodized Black at no extra cost, premium polished-forged and candy finishes, or any Pantone as a custom colour, so the visual presence behind the wheels can be matched to the rest of the build. Together the disc, caliper and pad combination is engineered to manage rear-axle heat and deliver a firmer, more repeatable pedal than the original Volkswagen rear brakes, supplied as a left-and-right pair.
Fitment for the Volkswagen GOLF 5 GTI (2005-2007)
This kit is specified for the Mk5 Volkswagen GOLF 5 GTI across the 2005 to 2007 model years, fitted to the rear axle as a left-and-right pair. Confirm your exact build year against the 2005-2007 span before ordering, and select your pad compound and caliper colour to suit your driving and your wheel choice.
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Choose your pad compound and caliper colour above and order yours.
What’s in the kit
Rear axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 380–421 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 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: OE handbrake not retained — a hydraulic handbrake is required.
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.

Other products that fit this vehicle
Front & rear brake kits, coilovers and more for this car
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More XYZ products for the Volkswagen GOLF 5 GTI appear here as the rest of the range publishes.