Audi

Best Brakes for Audi S5 B8.5 (2013–2016)

The B8.5 Audi S5 is one of the most slept-on platforms in the performance world. Supercharged V6, Quattro grip, sleek coupe looks—but…

The B8.5 Audi S5 is one of the most slept-on platforms in the performance world. Supercharged V6, Quattro grip, sleek coupe looks—but from the factory, the brakes just can’t keep up with how fast the car can actually go. Especially once you tune it.

This guide is for every B8.5 S5 owner who’s sick of fade, soft pedal feel, or just looking for the best brake mods to match their build.

Let’s get into the best brake upgrades for the Audi S5 B8.5, with real product links, honest part combos, and recommendations based on how you actually drive.

Factory Brakes – What You’re Working With

The stock setup is decent, but far from high-performance:

  • Front rotors: 345mm single-piece
  • Calipers: 2-piston sliding
  • Rear rotors: 330mm
  • Issues: heat fade after a few hard stops, long pedal travel, no real bite on initial input

If you’re tuned, canyon driving, or doing pulls—you’re going to outgrow the factory brakes fast.

Best Brake Pads for Audi S5 B8.5

Pads are the first upgrade you should make. They instantly change how your pedal feels and how the car responds under load.

🔹 EBC Yellowstuff

  • Street & light track use
  • Excellent initial bite
  • Dusty and can squeal—but powerful
    🔗 Buy on Amazon

🔹 Ferodo DS2500

  • Great modulation under heat
  • Popular with track-focused drivers
  • Not cheap, but no fade
    🔗 Buy on AliExpress

🔹 Hawk HPS 5.0

  • Smooth, quiet, dust-free
  • Easy for daily use
  • Not ideal for repeated stops from high speed
    🔗 Buy on Amazon

Recommendation:
Daily drive it? Go Hawk. Spirited or tuned? EBC Yellowstuff. Track it? Ferodo, no question.

Best Rotors for Audi S5 B8.5

Rotors matter more than people think. Stock ones are prone to warping when pushed.

🔹 EBC GD Sport Slotted

  • Great heat dissipation
  • Zinc-coated = no rust
  • Works great with EBC pads
    🔗 Buy on Amazon

🔹 Brembo OE-Style UV Coated

  • Factory style, improved coating
  • Won’t warp with spirited use
  • Quiet and long-lasting
    🔗 Buy on Amazon

🔹 AliExpress 2-Piece Floating Rotors

  • Aluminum hat = lighter weight
  • Great for heat dissipation
  • Track use or aggressive street only
    🔗 Buy on AliExpress

Tip: For most, slotted rotors + upgraded pads are perfect. 2-piece is for full send only.

Brake Fluid + Lines – The Hidden Feel Mod

Most S5s still run factory DOT 4 fluid. That stuff boils after 3–4 hard stops.

🔹 Brake Fluid Picks

  • Motul RBF 600 – Best for spirited driving
  • Castrol SRF – The best, period (but expensive)

🔹 Stainless Braided Lines

  • HEL Performance – Firm pedal, OEM fit
  • StopTech Lines – Cheaper but solid quality

🔗 Buy Motul RBF 600 – Amazon
🔗 Buy Castrol SRF – Amazon
🔗 HEL Lines – Amazon
🔗 StopTech Lines – Amazon

Pro Tip: Flush every 1–2 years. Do it sooner if you push the car hard.

Best Big Brake Kits for Audi S5 B8.5

BBKs aren’t cheap—but nothing transforms braking more.

🔹 StopTech ST60 BBK

  • 6-piston forged calipers
  • Optional 355mm or 380mm rotors
  • Real race tech in street-ready form
    🔗 Buy on Amazon

🔹 Brembo GT Kit

  • Premium calipers, clean install
  • Massive stopping power
  • Looks incredible behind 19s or 20s
    🔗 Buy on Amazon

🔹 AliExpress 8-Piston Kit

  • Legit stopping power for half the price
  • QC varies—buy carefully
  • Wild aesthetics, tons of bite
    🔗 Buy on AliExpress

BBK Advice:
Don’t go BBK unless you’ve maxed out pads/rotors/lines and still want more. But once you do—you’ll never go back.

Brake Setup Combos – What to Run

✅ Daily Driver / Mild Tune

  • Pads: Hawk HPS
  • Rotors: Brembo OE
  • Fluid: Motul RBF 600
  • Lines: Optional

✅ Tuned & Spirited

  • Pads: Yellowstuff
  • Rotors: EBC Slotted
  • Fluid: Motul
  • Lines: HEL braided

✅ Canyon Ripper / Track Days

  • Pads: Ferodo DS2500
  • Rotors: 2-piece floating
  • BBK: StopTech or Brembo GT
  • Fluid: Castrol SRF
  • Lines: HEL

Best Budget Setup:
EBC Yellowstuff + EBC Slotted Rotors + Motul RBF 600 = game changer under $600.

Maintenance Checklist

Don’t let your upgrade go to waste. Maintain it:

  • Flush fluid every 1–2 years
  • Check pad thickness every 6 months
  • Clean rotors if car sits for long
  • Bleed lines properly after install

Are Brake Caliper Paint Kits Worth It?

While caliper performance matters most, looks aren’t nothing—especially on a clean B8.5 S5.

Painting your calipers or swapping them with color-coated options doesn’t improve braking, but it does enhance your build visually.

Pros of Caliper Paint Kits:

  • Aesthetic boost: Red, yellow, or custom-painted calipers pop behind black or silver wheels
  • Corrosion protection: Good paint seals the metal from road salt, grime, and brake dust
  • Budget-friendly: Quality kits like G2 cost under $60 and last for years

Popular Colors for B8.5 S5 Builds:

  • Red: Classic performance look
  • Yellow: Sporty and bold, especially with dark wheels
  • Gloss black: Stealthy, clean OEM+
  • Blue: Underrated, but looks killer on gray or silver cars

🔗 Buy G2 Caliper Paint Kit – Amazon

Pro Tip: Don’t paint over dirty or rusty calipers. Clean thoroughly, use brake cleaner, and take your time. Tape off everything. Let them cure for 24 hours before driving.

Perfect little upgrade while you’re in there swapping pads or rotors.

Common Brake Upgrade Mistakes to Avoid on the B8.5 S5

Even with the best parts in the world, poor install choices or mismatched components can ruin your braking setup. Here’s what to steer clear of:

❌ Mixing Incompatible Compounds

Using aggressive race pads on stock rotors? You’ll wear them out fast. Soft street pads with slotted rotors? You’re leaving performance on the table. Always match pad compound to rotor type.

❌ Skipping the Fluid Flush

One of the most common oversights—upgrading everything but the fluid. Old DOT 4 turns to mush under heat. Even with brand-new pads and rotors, your pedal will feel spongy if the fluid’s boiling.

❌ No Brake-In Procedure

Pads and rotors need to mate. Skipping the bed-in process causes glazing, vibration, and early wear. Do 8–10 moderate stops from 45 mph to 10 mph with cool-down time between each.

❌ Over-tightening or Under-torquing

Brake bolts and caliper mounts need proper torque specs. Use threadlocker where required and never guess. Stripped threads or loose bolts = huge risk.

Pro Tip: After any major brake work, re-torque all hardware after the first 100 miles. Safety first.

Final Word – Mod the Brakes Before the Power

Too many S5 owners go for tunes and intakes before fixing their brakes. That’s backwards. Once you feel the difference of a dialed-in pedal with no fade? You’ll wish you upgraded sooner.

Whether it’s:

  • Pads and rotors
  • Full BBK
  • Or just fluid and lines

…any upgrade is better than stock. Pick your combo and build a car that can stop as hard as it launches.

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