Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi D4 S8 Quattro 4.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Audi D4 S8 Quattro 4.0T
Your Vehicle Audi D4 S8 Quattro 4.0T
Change Clear

Audi D4 S8 Quattro 4.0T Performance Engine Parts

Sort By
Filter By
Return to Top

APR Remote Tuning Service Install Cable

ES#4727518 - EM100039 - APR Remote Tuning Service Install Cable - APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. - APR - Audi Volkswagen Porsche

APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.

Brand:
APR - Corporate Logo
ES#:
4727518
Mfg#:
EM100039
In Stock
$163.95 USD
Free Shipping

Walbro Universal 450lph In-Tank Fuel Pump Low Pressure

ES#3241084 - F90000274 - Walbro Universal 450lph In-Tank Fuel Pump Low Pressure - Great for when more fuel is needed in a custom fueling application - Walbro - 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
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
Walbro - Corporate Logo
ES#:
3241084
Mfg#:
F90000274
In Stock
$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Throttle Booster

ES#4624165 - EM100050 - APR Throttle Booster - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4624165
Mfg#:
EM100050
In Stock
11% off MSRP

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

$316.95

This product was last offered at the strikethrough price on
03-13-2026

$280.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - 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#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wagner Tuning Performance Intercooler Kit - Audi D4 S8

ES#4820924 - 200001223 - Wagner Tuning Performance Intercooler Kit - Audi D4 S8 - Offers up to 40C cooler intake air temperatures, resulting in maximum mechanical and thermal relief for the turbocharger. - Wagner Tuning - Audi

Offers up to 40°C cooler intake air temperatures, resulting in maximum mechanical and thermal relief for the turbocharger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4820924
Mfg#:
200001223
Ships in 2 Business Days
$3990.00 USD

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Tracksport Engine Mount Pair

ES#4730379 - 034-509-0083 - Motorsport Tracksport Engine Mount Pair - from billet aluminum and high-durometer Density Line rubber for reduced drivetrain slop decreased engine movement under load - 034Motorsport - Audi

from billet aluminum and high-durometer Density Line rubber for reduced drivetrain slop decreased engine movement under load affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4730379
Mfg#:
034-509-0083
In Stock
$611.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Turner Baffled Oil Catch Can Kit - 6oz

ES#3458255 - 022798tms01-05KT - Complete Turner Baffled Oil Catch Can Kit - 6oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458255
Mfg#:
022798TMS01-05KT
In Stock
ON SALE! SAVE 15%
$302.99

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

$257.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE840 C7 4.0TFSI Upgraded Turbochargers

ES#4630705 - TTE10044 - TTE840 C7 4.0TFSI Upgraded Turbochargers - Designed to put out over 750HP! - The Turbo Engineers - Audi

Designed to put out over 750HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630705
Mfg#:
TTE10044
Ships on Jul 1, 2026
$6399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

TTE RS C7 4.0TFSI Race Upgraded Turbochargers

ES#4630657 - TTE10359 - TTE RS C7 4.0TFSI Race Upgraded Turbochargers - Designed to put out over 700HP! - The Turbo Engineers - Audi

Designed to put out over 700HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630657
Mfg#:
TTE10359
Ships on Jul 1, 2026
$5599.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated - Valved

ES#2827580 - SSXAU465 - Cat-Back Exhaust System - Resonated - Valved - 2.76" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

2.76" stainless steel with quad 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827580
Mfg#:
SSXAU465
Ships in 3 Business Days
$5137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D4 S8 4.0T Cat-Back Exhaust System - Resonated - Valved

ES#2827579 - SSXAU464 - D4 S8 4.0T Cat-Back Exhaust System - Resonated - Valved - 2.76" stainless steel with quad 100mm black Cerakote tips - Milltek Sport - Audi

2.76" stainless steel with quad 100mm black Cerakote tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827579
Mfg#:
SSXAU464
Ships in 3 Business Days
$5137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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