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Audi A3 Performance Engine Parts

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IE Catted Cast Downpipe

ES#3569381 - IEEXCI1 - IE Catted Cast Downpipe - Features cast bends for superior flow and fitment - Integrated Engineering - Audi Volkswagen

Features cast bends for superior flow and fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3569381
Mfg#:
IEEXCI1
Ships on Jun 29, 2026
Auto Notify
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IS12 Turbocharger

ES#4351880 - 06K145713L - IS12 Turbocharger - Complete assembly includes the turbo and diverter valve - IHI Turbo - Audi Volkswagen

Complete assembly includes the turbo and diverter valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
IHI Turbo - Corporate Logo
ES#:
4351880
Mfg#:
06K145713L
In Stock
$1664.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Cold Air Intake (CTS-IT-270R)

ES#2862978 - CTSIT270 - 3.5" Cold Air Intake (CTS-IT-270R) - Give your car unrestricted air flow - CTS - Audi Volkswagen

Give your car unrestricted air flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with secondary air injection only

Brand:
CTS - Corporate Logo
ES#:
2862978
Mfg#:
CTSIT270
In Stock
$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning MQB Cast Aluminum Intercooler Upgrade Kit - Choose Your Charge Pipes

ES#4005377 - 023092ECS01PDK - ECS Tuning MQB Cast Aluminum Intercooler Upgrade Kit - Choose Your Charge Pipes - Upgrade to our in-house engineered intercooler and select from silicone couplers to full charge pipe kits for the ultimate package! - ECS - Audi Volkswagen

Upgrade to our in-house engineered intercooler and select from silicone couplers to full charge pipe kits for the ultimate package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4005377
Mfg#:
023092ECS01PDK
In Stock
ON SALE!
Starting at $865.58 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB Performance Aluminum Radiator

ES#4415630 - 014598LA01 - MQB Performance Aluminum Radiator - Direct-fit upgrade! Featuring a 45% increase in cooling system capacity along with a durable, all aluminum construction - ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 45% increase in cooling system capacity along with a durable, all aluminum construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4415630
Mfg#:
014598LA01
In Stock
ON SALE! SAVE 25%
$459.99

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

$344.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi 2.0T TSI Performance Aluminum Radiator

ES#3698283 - 004257ecs01KT - VW/Audi 2.0T TSI Performance Aluminum Radiator - Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction - ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with TSI engine only

Brand:
ECS - Corporate Logo
ES#:
3698283
Mfg#:
004257ECS01KT
In Stock
ON SALE! SAVE 14%
$349.90

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

$299.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Ultralink At-Home Tuning Cable

ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable - Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! - APR - Audi Volkswagen Porsche

Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! 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!
Only available for purchase in the United States and Canada.

Brand:
APR - Corporate Logo
ES#:
4759009
Mfg#:
EM100040
In Stock
$139.95 USD
Free Shipping

DV+ Performance Diverter Valve T9351

ES#2864616 - gfbt9351 - DV+ Performance Diverter Valve T9351 - Direct-fit performance solution for the OE diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the OE diverter valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
Go Fast Bits - Corporate Logo
ES#:
2864616
Mfg#:
GFBT9351
EO#:
D-844
In Stock
10% off MSRP

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

$171.00

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

$153.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Red

ES#3551285 - 021828ECS01-03 - VW/Audi Atmospheric Diverter Valve Spacer - Red - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551285
Mfg#:
021828ECS01-03
In Stock
ON SALE! SAVE 30%
$84.99

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

$59.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Kit

ES#4368535 - 10127203K - High Pressure Fuel Pump Kit - EA888 Gen 3 precision-machined internals - Autotech - Audi Volkswagen

EA888 Gen 3 precision-machined internals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
4368535
Mfg#:
10127203K
In Stock
$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0" Downpipe - With High Flow Catalytic Converter

ES#3419055 - IEEXCC5 - 3.0" Downpipe - With High Flow Catalytic Converter - T304 Stainless, TIG-welded downpipe - Integrated Engineering - Audi Volkswagen

T304 Stainless, TIG-welded downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3419055
Mfg#:
IEEXCC5
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2.5 Boost-Controlled Water/Meth Injection Kit

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

APR Full Catch Can System

ES#4352743 - MS100199 - APR Full Catch Can System - Keep your intake tract clean and oil free, with APR's Oil Catch Can System - APR - Audi Volkswagen

Keep your intake tract clean and oil free, with APR's Oil Catch Can System 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#:
4352743
Mfg#:
MS100199
Ships on Jul 10, 2026
Auto Notify
11% off MSRP

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

$922.95

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

$819.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Gen3 Turbo Inlet & Turbo Muffler Delete Pipe Kit

ES#3613006 - 020797ecs01KT - VW/Audi Gen3 Turbo Inlet & Turbo Muffler Delete Pipe Kit - Reduce ALL the restrictions at your turbo and let your VW or Audi 1.8T/2.0T Gen3 engine breathe! - ECS - Audi Volkswagen

Reduce ALL the restrictions at your turbo and let your VW or Audi 1.8T/2.0T Gen3 engine breathe! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3613006
Mfg#:
020797ECS01KT
In Stock
ON SALE! SAVE 35%
$329.99

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

$214.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK7 Golf R / 8V A3/S3 Resonator Delete Pipe Kit

ES#3183871 - 020296ecs02KT - MK7 Golf R / 8V A3/S3 Resonator Delete Pipe Kit - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! - ECS - Audi Volkswagen

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3183871
Mfg#:
020296ECS02KT
In Stock
ON SALE! SAVE 20%
$149.99

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

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Piston Upgrade Kit

ES#4689970 - 034-106-6057 - High Pressure Fuel Pump Piston Upgrade Kit - Designed to be a drop-in replacement piston for the factory high pressure fuel pump - 034Motorsport - Audi Volkswagen

Designed to be a drop-in replacement piston for the factory high pressure fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4689970
Mfg#:
034-106-6057
In Stock
$326.00 USD
Free Shipping

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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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