Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#4795395 - ESK6140 - Power Stop Euro-Stop Premium Front Brake Kit (345mm) - An authentic OE-specification front braking solution featuring European-sourced pads, high-carbon smooth Geomet coated rotors, and strict ECE-R90 certification. - Power Stop - Audi

An authentic OE-specification front braking solution featuring European-sourced pads, high-carbon smooth Geomet® coated rotors, and strict ECE-R90 certification. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
4795395
Mfg#:
ESK6140
Ships in 2 Business Days
$288.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3990095 - K6140-26 - Power Stop Z26 Street Warrior Front Brake Kit (345mm) - A complete front-wheel performance brake upgrade featuring drilled & slotted rotors and high-performance carbon-fiber ceramic pads. - Power Stop - Audi

A complete front-wheel performance brake upgrade featuring drilled & slotted rotors and high-performance carbon-fiber ceramic pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3990095
Mfg#:
K6140-26
Ships in 2 Business Days
$429.99 USD
ES#3990096 - K6141 - Power Stop Z23 Evolution Sport Front & Rear Brake Kit (345mm/330mm) - A complete 4-wheel performance brake upgrade featuring drilled & slotted rotors and low-dust carbon-fiber ceramic pads. - Power Stop - Audi

A complete 4-wheel performance brake upgrade featuring drilled & slotted rotors and low-dust carbon-fiber ceramic pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Models with 345mm Front & 330mm Rear Rotors

Brand:
Power Stop - Corporate Logo
ES#:
3990096
Mfg#:
K6141
Ships in 2 Business Days
$606.99 USD
ES#4795396 - ESK6141 - Power Stop Euro-Stop Premium Front & Rear Brake Kit (345mm/330mm) - An authentic OE-specification 4-wheel braking solution featuring European-sourced pads, high-carbon smooth Geomet coated rotors, and strict ECE-R90 certification. - Power Stop - Audi

An authentic OE-specification 4-wheel braking solution featuring European-sourced pads, high-carbon smooth Geomet® coated rotors, and strict ECE-R90 certification. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Models with 345mm Front & 330mm Rear Rotors

Brand:
Power Stop - Corporate Logo
ES#:
4795396
Mfg#:
ESK6141
Ships in 2 Business Days
$483.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3989109 - CRK6141 - Power Stop Z23 Evolution Sport Coated Front & Rear Brake Kit (345mm/330mm) - A complete 4-wheel daily-driver upgrade featuring high-carbon smooth Geomet coated rotors and low-dust carbon-fiber ceramic pads. - Power Stop - Audi

A complete 4-wheel daily-driver upgrade featuring high-carbon smooth Geomet® coated rotors and low-dust carbon-fiber ceramic pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Models with 345mm Front & 330mm Rear Rotors

Brand:
Power Stop - Corporate Logo
ES#:
3989109
Mfg#:
CRK6141
Ships in 2 Business Days
$518.99 USD
ES#4339047 - 904525 - RaceChip GTS Black - Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339047
Mfg#:
904525
Ships in 3 Business Days
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339356 - 917360 - RaceChip S - Get up to +44 hp and +34 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +44 hp and +34 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339356
Mfg#:
917360
Ships in 3 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +34 hp and +59 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339046
Mfg#:
904521
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339045 - 904520 - RaceChip S - Get up to +27 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +27 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339045
Mfg#:
904520
Ships in 3 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039962 - VWR1241S4 -  Audi B9 S4/S5 Carbon Intake System - The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! - Racingline - Audi

The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4039962
Mfg#:
VWR1241S4
Ships in 2 Business Days
$1340.99 USD
ES#4641958 - E312 - Front Strap Style Tow Hook - Red - Designed to handle any off-track adventure quickly and reliably - Rennline - Audi

Designed to handle any off-track adventure quickly and reliably affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4641958
Mfg#:
E312
Ships in 5 Business Days
$135.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3514711 - k70286f-ss-xKT - Stage 4 'Extreme' Clutch Kit - 6 Puck Disc - Designed for extreme power that needs to be put to the wheels. Conservatively rated at 600+ ft/lbs. - South Bend Clutch - Audi

Designed for extreme power that needs to be put to the wheels. Conservatively rated at 600+ ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3514711
Mfg#:
K70286F-SS-XKT
Ships in 2 Business Days
$1353.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3106500 - k70286fdxdbKT - Stage 2 Drag Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 525ft/lbs. - South Bend Clutch - Audi

Designed for drag or drift cars that see limited street use. Conservatively rated at 525ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106500
Mfg#:
K70286FDXDBKT
Ships in 1 Business Day
$1113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3644165 - 777532 - Performance Downpipe Kit - Resonated  - T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters - Supersprint - Audi

T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644165
Mfg#:
777532
Ships in 3 Business Days
$5480.99 USD
Free Shipping
ES#3644162 - 777521 -   Performance High Flow Catalytic Converter  - 304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! - Supersprint - Audi

304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644162
Mfg#:
777521
Ships in 3 Business Days
$4867.99 USD
Free Shipping
ES#3438681 - 767702KT - Supersprint High-Flow Catalytic Converter Kit - Includes left and right side metallic high-flow sport cats and connecting pipes - Supersprint - Audi

Includes left and right side metallic high-flow sport cats and connecting pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3438681
Mfg#:
767702KT
Ships on Sep 16, 2026
$5914.99 USD
Free Shipping

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings