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

Menu

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

Audi RS3 8V (2018+) 2.5T

    • 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
garage-red
Your Vehicle Audi RS3 8V (2018+) 2.5T
Your Vehicle Audi RS3 8V (2018+) 2.5T
Change Clear

Audi RS3 8V (2018+) 2.5T Performance Engine Parts

Sort By
Filter By
Return to Top

VWR Turbo Boost Pipe Upgrade Kit

ES#4668540 - VWR140011 - VWR Turbo Boost Pipe Upgrade Kit - Replaces the original plastic charge pipes with a larger 70mm diameter aluminum boost pipe and beautiful smooth-flowing silicone replacement hoses - Racingline - Audi

Replaces the original plastic charge pipes with a larger 70mm diameter aluminum boost pipe and beautiful smooth-flowing silicone replacement hoses

Brand:
Racingline - Corporate Logo
ES#:
4668540
Mfg#:
VWR140011
Ships in 3 Business Days
$413.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Audi 8V/8Y RS3 5" Intake System

ES#4905485 - CTS-IT-963 - CTS Turbo Audi 8V/8Y RS3 5" Intake System - Take your Audi 8V/8Y RS3 to the next level with the CTS Turbo 5 Intake System a meticulously engineered solution for performance enthusiasts looking to maximize airflow, power, and sound. - CTS - Audi

Take your Audi 8V/8Y RS3 to the next level with the CTS Turbo 5″ Intake System – a meticulously engineered solution for performance enthusiasts looking to maximize airflow, power, and sound.

Brand:
CTS - Corporate Logo
ES#:
4905485
Mfg#:
CTS-IT-963
Ships on Nov 6, 2026
ON SALE! SAVE 15%
$499.99

This product was last offered at the strikethrough price on
09-29-2026

$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GTX3584RS Turbocharger

ES#3691644 - 856804-5003S - Garrett GTX3584RS Turbocharger - Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S - Garrett - Audi Volkswagen MINI

Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
Garrett - Corporate Logo
ES#:
3691644
Mfg#:
856804-5003S
In Stock
$2881.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#3536890 - SSXAU739 - Cat-Back Exhaust System - Resonated - 3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system - Milltek Sport - Audi

3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system

Brand:
Milltek Sport - Corporate Logo
ES#:
3536890
Mfg#:
SSXAU739
Ships on Oct 23, 2026
$3130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler System

ES#3580576 - IC100024 - Front Mount Intercooler System - Dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! Call In Or Chat For Best Price!
Fits North American RS3 only (facelift 2018+) - ROW vehicles will require shorter US crash bar (8V5807109

Brand:
APR - Corporate Logo
ES#:
3580576
Mfg#:
IC100024
Ships in 2 Business Days
ON SALE! SAVE 10%
$1549.99

This product was last offered at the strikethrough price on
09-28-2026

$1394.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#3536891 - SSXAU738 - Cat-Back Exhaust System - Resonated - 3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system - Milltek Sport - Audi

3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system

Brand:
Milltek Sport - Corporate Logo
ES#:
3536891
Mfg#:
SSXAU738
Ships on Oct 23, 2026
$2998.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 8V.5 RS3 DSG Catch Can Kit

ES#4140261 - 034-504-Z007 - Audi 8V.5 RS3 DSG Catch Can Kit - CNC milled 6061-T6 billet aluminum catch can replaces the tiny OE plastic vent and prevents transmission fluid from being forced out and splashing around the engine bay. - 034Motorsport - Audi

CNC milled 6061-T6 billet aluminum catch can replaces the tiny OE plastic vent and prevents transmission fluid from being forced out and splashing around the engine bay. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4140261
Mfg#:
034-504-Z007
In Stock
$320.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips

ES#4158529 - IEEXCQ4 - RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips - The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups! - Integrated Engineering - Audi

The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups! *To be used with IE downpipe IEEXCQO1 / ES3677700 (Does not include Y-pipe adapter to mate with factory downpipe)

Brand:
Integrated Engineering - Corporate Logo
ES#:
4158529
Mfg#:
IEEXCQ4
Back Ordered
$2549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 4" Turbo Inlet Pipe

ES#4044409 - CTS-HW-360 - CTS Turbo 4" Turbo Inlet Pipe - Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet! - CTS - Audi

Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet!

Brand:
CTS - Corporate Logo
ES#:
4044409
Mfg#:
CTS-HW-360
Back Ordered
ON SALE! SAVE 29%
$299.99

This product was last offered at the strikethrough price on
09-29-2026

$212.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#3536887 - SSXAU740 - Cat-Back Exhaust System - Non-Resonated - 3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system - Milltek Sport - Audi

3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system

Brand:
Milltek Sport - Corporate Logo
ES#:
3536887
Mfg#:
SSXAU740
Ships on Oct 23, 2026
$2788.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Scorpion Downpipe With High Flow Sports Cat

ES#3969446 - SAUX079 - Scorpion Downpipe With High Flow Sports Cat - 4.00" 304 stainless performance downpipe system with a high flow sports catalyst - Scorpion - Audi

4.00" 304 stainless performance downpipe system with a high flow sports catalyst

Brand:
Scorpion - Corporate Logo
ES#:
3969446
Mfg#:
SAUX079
Ships in 2 Business Days
$1248.99 USD
Free Shipping

ARP 625+ Custom 10mm Head Stud Kit

ES#4758953 - EMD-DAZAHSK-625+ - ARP 625+ Custom 10mm Head Stud Kit - Engineered to surpass the limitations of stock head bolts, for 625+ hp - Emmanuele Design - Audi

Engineered to surpass the limitations of stock head bolts, for 625+ hp

Brand:
Emmanuele Design - Corporate Logo
ES#:
4758953
Mfg#:
EMD-DAZAHSK-625+
In Stock at Vendor
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#3536888 - SSXAU741 - Cat-Back Exhaust System - Non-Resonated - 3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system - Milltek Sport - Audi

3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system

Brand:
Milltek Sport - Corporate Logo
ES#:
3536888
Mfg#:
SSXAU741
Ships on Oct 23, 2026
$2655.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve - Standard Size - Priced Each

ES#2569983 - VWIVN-1002S - Intake Valve - Standard Size - Priced Each - Rev Higher without worry, requires single groove valve keepers - Supertech - Audi Volkswagen

Rev Higher without worry, requires single groove valve keepers

Brand:
Supertech - Corporate Logo
ES#:
2569983
Mfg#:
VWIVN-1002S
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
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