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Audi S4 Performance Engine & Drivetrain Parts

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ES#4017702 - CTS-IT-300R -  CTS Turbo Air Intake System - True 3.5" Velocity Stack - NEW UPDATED DESIGN! True 3.5 intake for maximum airflow - 3.5" mandrel bent piping with huge 6 velocity stack air filter! - CTS - Audi

NEW UPDATED DESIGN! True 3.5″ intake for maximum airflow - 3.5" mandrel bent piping with huge 6″ velocity stack air filter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4017702
Mfg#:
CTS-IT-300R
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4733652 - 034-108-5046 - S34 SuperDuper Insuction Bundle - Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4733652
Mfg#:
034-108-5046
In Stock
$613.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4809661 - 048470LA01KT - ECS Tuning B8 3.0T Stage 2 Performance Clutch Kit with Lightweight Flywheel (18.3lbs) - The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 475 Ft/Lbs of crank torque. - ECS - Audi

The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 475 Ft/Lbs of crank torque. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4809661
Mfg#:
048470LA01KT
Back Ordered
Auto Notify
ON SALE! SAVE 32%
$2587.49

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

$1749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505840 - IETPCK1-BK - FDS Front-Mount Intercooler Kit - Black  - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4505840
Mfg#:
IETPCK1-BK
Ships in 8 Business Days
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4736298 - 039803la01KT - 60A Solid Rubber OEM+ Engine Mount Kit - Audi B8 A4/S4/A5/S5/Q5/SQ5 C7 A6/A7 - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. - ECS - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4736298
Mfg#:
039803LA01KT
In Stock
ON SALE! SAVE 15%
$529.99

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

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4629470 - TTE10494 - TTE810+ Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4629470
Mfg#:
TTE10494
In Stock
$4399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569215 - 025496ecs01KT - Audi B8.5 S4/S5 Facelift Luft-Technik Performance Supercharger Intercooler Kit - Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. - ECS - Audi

Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits B8.5 Facelift Models

Brand:
ECS - Corporate Logo
ES#:
3569215
Mfg#:
025496ECS01KT
In Stock
ON SALE! SAVE 16%
$889.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
$180.00 USD
Free Shipping
ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4686058 - 002540LCA07KT - ECS Performance Ignition Service Kit - Includes six Red ECS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red ECS coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4686058
Mfg#:
002540LCA07KT
In Stock
ON SALE! SAVE 14%
$361.99

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

$312.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4619953 - 034-509-5041 - Street Density Line Motor Mount Kit - 60 Durometer - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4619953
Mfg#:
034-509-5041
In Stock
$480.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4668695 - IEINCK5 - IE Polymer Air Intake System - B9/B9.5 S4 & S5 3.0T - Up to 19hp & 21ft-lbs over stock! - Integrated Engineering - Audi

Up to 19hp & 21ft-lbs over stock! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4668695
Mfg#:
IEINCK5
In Stock
$522.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4418610 - 200001120.PIPE - 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. - Wagner Tuning - Audi

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 US vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4418610
Mfg#:
200001120.PIPE
Ships on Jun 25, 2026
Auto Notify
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4623625 - 034-106-6054 - EA839 High Pressure Fuel Pump Piston Upgrade Kit - Unlock up to 37% more flow over the factory high pressure fuel pump! - 034Motorsport - Audi Porsche

Unlock up to 37% more flow over the factory high pressure fuel pump! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4623625
Mfg#:
034-106-6054
In Stock
$396.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4620271 - VWR131000 - RacingLine Oil Catch Can System - B9 S4/S5/SQ5 - Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract - Racingline - Audi

Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4620271
Mfg#:
VWR131000
In Stock
$1117.99 USD
Free Shipping
on orders $49 and up
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.

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