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Audi S4 Performance Engine & Drivetrain Parts

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Competition Intercooler With Charge Pipe Kit

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
**This kit is for European vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4489117
Mfg#:
200001120.PIPE.E
Ships in 7 Business Days
$1140.00 USD
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Charge Pipe Kit

ES#4159029 - CTS-IT-292 - B9 S4/S5 Charge Pipe Kit - 2.5" diameter piping to increase your throttle response and decrease turbo lag - CTS - Audi

2.5" diameter piping to increase your throttle response and decrease turbo lag affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4159029
Mfg#:
CTS-IT-292
Ships in 7 Business Days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Kohlefaser Luft-Technik Intake System

ES#3545247 - 023796ECS04 - Audi B9 S4/S5 3.0T Kohlefaser Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Carbon Fiber Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Carbon Fiber Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3545247
Mfg#:
023796ECS04
In Stock
ON SALE! SAVE 15%
$978.86

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

$832.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-Series Stage 3 Clutch

ES#4368616 - JHM-RSerB830TClu - R-Series Stage 3 Clutch - Featuring a Ceramic/Metal Backed Organic clutch disc - JH Motorsports - Audi

Featuring a Ceramic/Metal Backed Organic clutch disc affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4368616
Mfg#:
JHM-RSERB830TCLU
Ships in 2 Business Days
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 6oz

ES#4369811 - 003779ECS05-01 - ECS Tuning Baffled Oil Catch Can - 6oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE! SAVE 46%
$233.99

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

$126.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter (Early Style)

ES#4046136 - STS-B5S4E - JHM Solid Short Throw Shifter (Early Style) - If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad and B5 Passat Early Style Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad and B5 Passat Early Style Solid Short Throw Shifter is the perfect solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For early style shifters - Please see shifter comparison links in product description*

Brand:
JH Motorsports - Corporate Logo
ES#:
4046136
Mfg#:
STS-B5S4E
Ships in 1-2 days
$294.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AirGate Carbon Fiber Intake - With Lid

ES#4043328 - 2660-15032 - AirGate Carbon Fiber Intake - With Lid - Max gains of 16 hp and 3 ft-lbs of torque at the wheels for B9 / 9.5 RS 4 / RS 5 2.9TT (with piggyback tuner) - AWE - Audi

Max gains of 16 hp and 3 ft-lbs of torque at the wheels for B9 / 9.5 RS 4 / RS 5 2.9TT (with piggyback tuner) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043328
Mfg#:
2660-15032
In Stock
$1075.00 USD
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers With Install Kit

ES#3247798 - 5304988002526KT - RS4 K04 Turbochargers With Install Kit - Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware - Assembled By ECS - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
Assembled By ECS - Corporate Logo
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 1 Business Day
$3214.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Endurance Clutch Kit

ES#3106550 - ks4b8sstzKT - Stage 3 Endurance Clutch Kit - Designed for dedicated track cars. Conservatively rated at 650ft/lbs. - South Bend Clutch - Audi

Designed for dedicated track cars. Conservatively rated at 650ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106550
Mfg#:
KS4B8SSTZKT
Ships on Jun 24, 2026
$3210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Steel Flywheel (20lbs)

ES#3090723 - SA44S - Lightweight Steel Flywheel (20lbs) - Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power - Spec Clutches - Audi

Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
3090723
Mfg#:
SA44S
Ships in 3 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Intake System

ES#4835388 - B930TINT - Performance Intake System - maximize your airflow with more power, torque, and incredible induction sounds! - ARM Motorsports - Audi

maximize your airflow with more power, torque, and incredible induction sounds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARM Motorsports - Corporate Logo
ES#:
4835388
Mfg#:
B930TINT
In Stock
$227.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Single-Mass Lightweight Flywheel

ES#3998858 - 034-503-1023 - Billet Aluminum Single-Mass Lightweight Flywheel - Weighing in at 13 lbs, allows for faster revving and easier rev matching when downshifting. - 034Motorsport - Audi

Weighing in at 13 lbs, allows for faster revving and easier rev matching when downshifting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3998858
Mfg#:
034-503-1023
Ships in 2 Business Days
$792.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

-10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each

ES#3187875 - 003779ECS10 - -10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each - Universal fitting for ECS Tuning Catch can to use a 3/4" Hose - ECS - Audi BMW Volkswagen MINI

Universal fitting for ECS Tuning Catch can to use a 3/4" Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3187875
Mfg#:
003779ECS10
In Stock
ON SALE! SAVE 35%
$38.99

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

$25.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 4 FX400 Clutch Kit

ES#2828972 - 02029HDC6 - Stage 4 FX400 Clutch Kit - Features the Power Plus I Pressure Plate with a 6-puck ceramic disc - 170% increased holding capacity - Clutch Masters - Audi

Features the Power Plus I Pressure Plate with a 6-puck ceramic disc - 170% increased holding capacity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828972
Mfg#:
02029HDC6
Ships in 2 Business Days
15% off MSRP

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

$922.99

This product was last offered at the strikethrough price on
06-07-2026

$784.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Eventuri Intake System - Black Carbon

ES#3604844 - EVE-B9S5-CF-INT - Audi B9 S4/S5 Eventuri Intake System - Black Carbon - Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style! - Eventuri - Audi

Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eventuri - Corporate Logo
ES#:
3604844
Mfg#:
EVE-B9S5-CF-INT
Ships in 5 Business Days
$1550.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Cone Style Air Filter

ES#4304100 - CTS-AF-250 - 3.5" Cone Style Air Filter - Replacement filter for CTS-IT-300R and CTS-IT-938 - CTS - Audi

Replacement filter for CTS-IT-300R and CTS-IT-938 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4304100
Mfg#:
CTS-AF-250
Back Ordered
Auto Notify
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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