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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Engine & Drivetrain Parts

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B9 S4/S5/SQ5 3.0T Intercooler kit

ES#4499830 - RA841C100200 - B9 S4/S5/SQ5 3.0T Intercooler kit - Increased volume and surface area, bar and plate cores with end tanks specifically designed to promote even airflow. - REVO - Audi

Increased volume and surface area, bar and plate cores with end tanks specifically designed to promote even airflow. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499830
Mfg#:
RA841C100200
Back Ordered
$819.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Differential Mount Insert Kit

ES#3509529 - 034-505-2020 - Billet Aluminum Rear Differential Mount Insert Kit - Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! - 034Motorsport - Audi

Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3509529
Mfg#:
034-505-2020
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$154.00

This product was last offered at the strikethrough price on
06-28-2026

$138.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
In Stock
$207.99 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

Genuine Ignition Service Kit

ES#4475302 - 06M905606F5KT - Genuine Ignition Service Kit - Includes six Genuine VW/Audi coil packs and OEM spark plugs to service your ignition system - Genuine Volkswagen Audi - Audi

Includes six Genuine VW/Audi coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4475302
Mfg#:
06M905606F5KT
In Stock
$681.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#3691949 - 06h905110lkt5KT - Ignition Service Kit - Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! - Assembled By ECS - Audi

Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! 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#:
3691949
Mfg#:
06H905110LKT5KT
In Stock
ON SALE!
$321.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit

ES#4350144 - 20010-BRD - Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit - Engine mounted, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine mounted, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4350144
Mfg#:
20010-BRD
In Stock at Vendor
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch Ignition Service Kit

ES#4475329 - 06M905606F7KT - Bosch Ignition Service Kit - Includes six Bosch coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Bosch 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#:
4475329
Mfg#:
06M905606F7KT
In Stock
$575.01

This product was last offered at the strikethrough price on
02-14-2026

$367.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit

ES#4431148 - SN0-211-BRD - Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit - Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4431148
Mfg#:
SN0-211-BRD
In Stock at Vendor
$909.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic 3" Air Filter (Gen 1)

ES#4362289 - UH003-IN4 - Unitronic 3" Air Filter (Gen 1) - Unitronic - Audi Volkswagen

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362289
Mfg#:
UH003-IN4
Ships in 1-2 days
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 S4/S5 3.0T Stage 2 Hybrid Turbocharger (650+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 1 Business Day
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch 044 High Flow Fuel Pump - 270 LPH

ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings

ES#4147674 - SN0-40060 - High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings - Robust protection for your WMI installation to ensure peace of mind - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147674
Mfg#:
SN0-40060
In Stock
$73.00 USD
Free Shipping
on orders $49 and up
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%
$998.99

This product was last offered at the strikethrough price on
06-13-2026

$849.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Full Intake System

ES#4005393 - 034-108-1029 - X34 Carbon Fiber Full Intake System - Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package! - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4005393
Mfg#:
034-108-1029
Ships in 2 Business Days
ON SALE! SAVE 10%
$1201.00

This product was last offered at the strikethrough price on
06-28-2026

$1080.90 USD
Free Shipping
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

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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