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Audi S4 Performance Brake Parts & Upgrades

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Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34)

ES#2785042 - 003883ECS02KT - Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34) - Featuring Black RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads - ECS - Audi

Featuring Black RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please download the installation template to confirm this brake kit will fit behind your factory or after

Brand:
ECS - Corporate Logo
ES#:
2785042
Mfg#:
003883ECS02KT
Ships on Oct 15, 2026
Auto Notify
$4328.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit

ES#1402 - B6A4SSBLK - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Complete set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1402
Mfg#:
B6A4SSBLK
In Stock
ON SALE!
$182.99

This product was last offered at the strikethrough price on
05-02-2026

$177.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Braking Package - Stage 1

ES#4879774 - 034-301-0004-DSO - Dynamic+ Braking Package - Stage 1 - The new standard for braking performance upgrades on your B9/B9.5 Audi S4, S5, or SQ5. - 034Motorsport - Audi

The new standard for braking performance upgrades on your B9/B9.5 Audi S4, S5, or SQ5. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4879774
Mfg#:
034-301-0004-DSO
Back Ordered
$2127.00 USD
Free Shipping

Audi B8 / C7 Brake Cooling Duct Set

ES#4353029 - 006945la04 - Audi B8 / C7 Brake Cooling Duct Set - Increase air flow to your brakes! - ECS - Audi

Increase air flow to your brakes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4353029
Mfg#:
006945LA04
In Stock
$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22)

ES#4491560 - 8k0615601cxKT - Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22) - Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. - Brembo - Audi

Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brembo - Corporate Logo
ES#:
4491560
Mfg#:
8K0615601CXKT
Ships in 5 Business Days
$422.99

This product was last offered at the strikethrough price on
01-21-2026

$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear BSD Blade Brake Rotors - Pair (330x22)

ES#4213518 - BSD1846 - Rear BSD Blade Brake Rotors - Pair (330x22) - Upgrade to the uniquely created blade slot designed for improved braking - EBC - Audi

Upgrade to the uniquely created blade slot designed for improved braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
EBC - Corporate Logo
ES#:
4213518
Mfg#:
BSD1846
Ships in 1 Business Day
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$436.99

This product was last offered at the strikethrough price on
06-06-2026

$414.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear EP24 "Enthusiast Performance" Brake Pad Set

ES#4739102 - EP24-1898 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739102
Mfg#:
EP24-1898
In Stock
ON SALE! SAVE 30%
$118.99

This product was last offered at the strikethrough price on
05-02-2026

$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS 18Z 6-Piston Performance Brake Caliper - Pair

ES#4845288 - 056430LA01 - ECS 18Z 6-Piston Performance Brake Caliper - Pair - Enhance braking performance & complete your big brake kit! Direct replacement for OEM Porsche 18Z (95535142122, 95535142222). - ECS - Audi Volkswagen Porsche

Enhance braking performance & complete your big brake kit! Direct replacement for OEM Porsche 18Z (95535142122, 95535142222). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Equipped with ECS Stage 5 Front Big Brake Kit (ES#1896)

Brand:
ECS - Corporate Logo
ES#:
4845288
Mfg#:
056430LA01
In Stock
ON SALE! SAVE 15%
$849.99

This product was last offered at the strikethrough price on
05-02-2026

$722.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34)

ES#2804479 - 003883ECS01A01KT - Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34) - Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers - ECS - Audi

Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Audi RS Calipers*

Brand:
ECS - Corporate Logo
ES#:
2804479
Mfg#:
003883ECS01A01KT
In Stock
ON SALE!
$1205.99

This product was last offered at the strikethrough price on
05-02-2026

$1168.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear 2-Piece Scalloped Brake Rotors - Pair (330x22)

ES#3520785 - 023950ecs01KT - Rear 2-Piece Scalloped Brake Rotors - Pair (330x22) - Direct bolt-on upgrade to Tru-Float scalloped style rotors. 20% less weight! - ECS - Audi

Direct bolt-on upgrade to Tru-Float scalloped style rotors. 20% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3520785
Mfg#:
023950ECS01KT
In Stock
ON SALE! SAVE 32%
$1021.99

This product was last offered at the strikethrough price on
01-03-2026

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Slotted Two-Piece Rotors - Pair (350x34)

Direct bolt-on replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Girodisc - Corporate Logo
ES#:
4698770
Mfg#:
A1-311
In Stock at Vendor
$1150.00 USD
Free Shipping

Combination Parking Brake Caliper Rear Brake Kit

ES#3701664 - 140-14591 - Combination Parking Brake Caliper Rear Brake Kit - Features 12.19" slotted rotors & black calipers - Provides balanced brake performance and style to compliment front big brake kits! - Wilwood - Audi

Features 12.19" slotted rotors & black calipers - Provides balanced brake performance and style to compliment front big brake kits! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wilwood - Corporate Logo
ES#:
3701664
Mfg#:
140-14591
Ships in 10 Business Days
$1114.99 USD

Revo Big Brake Kit - Red - (355x32)

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499824
Mfg#:
RA841B200200
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Revo Big Brake Kit - Black - (380x32)

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499826
Mfg#:
RA841B200400
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Exact-Fit Stainless Steel Brake Lines

ES#3450989 - 024671ECS02 - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi Porsche

Rear set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3450989
Mfg#:
024671ECS02
In Stock
ON SALE! SAVE 10%
$100.99

This product was last offered at the strikethrough price on
05-02-2026

$90.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ATE Brake Fluid Super DOT 5.1 - 1 Liter

ES#4318349 - SD0T51 - ATE Brake Fluid Super DOT 5.1 - 1 Liter - A low viscosity fluid replacing DOT 4 fluid. Boiling point - Dry 265C (509F) / Wet 180C (347F) - ATE - Audi BMW Volkswagen MINI

A low viscosity fluid replacing DOT 4 fluid. Boiling point - Dry 265°C (509°F) / Wet 180°C (347°F) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATE - Corporate Logo
ES#:
4318349
Mfg#:
SD0T51
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

More About Performance Brake Parts & Upgrades

Performance driving is more than going fast, it's about control. Make sure your brakes are up to the task with our performance braking upgrades for your vehicle.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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