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Audi A3 Performance Parts & Upgrades

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ECS Tuning Stage 2 Performance Clutch Kit with Lightweight Forged Steel Flywheel (18.95lbs)

ES#3480026 - 004258ECS01KT - ECS Tuning Stage 2 Performance Clutch Kit with Lightweight Forged Steel Flywheel (18.95lbs) - The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 400 Ft/Lbs of crank torque - ECS - Audi Volkswagen

The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 400 Ft/Lbs of crank torque 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with FSI engines only

Brand:
ECS - Corporate Logo
ES#:
3480026
Mfg#:
004258ECS01KT
In Stock
ON SALE!
$917.99

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

$890.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK7/MK8/8v Adjustable Damping Coilover System - With Installation Kit

ES#4348653 - 003929lb02KT - MK7/MK8/8v Adjustable Damping Coilover System - With Installation Kit - Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links. Includes all new mounts, bearings and hardware for a comprehensive suspension package. - ECS - Audi Volkswagen

Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links. Includes all new mounts, bearings and hardware for a comprehensive suspension package. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4348653
Mfg#:
003929LB02KT
In Stock
ON SALE! SAVE 10%
$1499.99

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

$1349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B14 PSS Suspension System

ES#3072870 - 47-251588 - Bilstein B14 PSS Suspension System - Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi Volkswagen

Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
3072870
Mfg#:
47-251588
In Stock
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake System - Without Heat Shield

ES#4413978 - 004671LA03-03 - Luft-Technik Intake System - Without Heat Shield - In House Engineered "Air Technology" for maximum performance and stunning aesthetics - ECS - Audi Volkswagen

In House Engineered "Air Technology" for maximum performance and stunning aesthetics 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4413978
Mfg#:
004671LA03-03
In Stock
ON SALE!
Starting at $202.53 USD
Customize
Free Shipping
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 For vehicles with secondary air injection only

Brand:
CTS - Corporate Logo
ES#:
2862978
Mfg#:
CTSIT270
Ships in 3 Business Days
ON SALE! SAVE 15%
$289.99

This product was last offered at the strikethrough price on
07-10-2026

$246.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS K04 Turbocharger - Transverse

ES#4005863 - CTS-TR-1050 - CTS K04 Turbocharger - Transverse - CTS-spec K04 CHRA with billet compressor wheel and heavy-duty thrust bearings. - CTS - Audi Volkswagen

CTS-spec K04 CHRA with billet compressor wheel and heavy-duty thrust bearings. For vehicles with FSI or TSI engines
For vehicles with CCTA/CBFA or BPY engine code only.

Brand:
CTS - Corporate Logo
ES#:
4005863
Mfg#:
CTS-TR-1050
Ships in 7 Business Days
ON SALE! SAVE 10%
$1499.99

This product was last offered at the strikethrough price on
07-10-2026

$1349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Aluminum Street Shield Skid Plate Kit

ES#2738920 - 003425ECS01AKT - ECS Tuning Aluminum Street Shield Skid Plate Kit - Protect your vehicle's fragile oil pan and under carriage with this 3/16" (4.76mm) thick aluminum skid plate - ECS - Audi Volkswagen

Protect your vehicle's fragile oil pan and under carriage with this 3/16" (4.76mm) thick aluminum skid plate 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2738920
Mfg#:
003425ECS01AKT
In Stock
ON SALE!
$395.99

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

$384.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#4070253 - S-31-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!

Brand:
BC Racing - Corporate Logo
ES#:
4070253
Mfg#:
S-31-BR
In Stock
$1215.00 USD
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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4415630
Mfg#:
014598LA01
In Stock
ON SALE! SAVE 25%
$469.99

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

$352.49 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698283
Mfg#:
004257ECS01KT
In Stock
ON SALE! SAVE 20%
$356.99

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

$285.59 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Ultralink At-Home Tuning Cable (Flashing Device Only - Tuning Not Included)

ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable (Flashing Device Only - Tuning Not Included) - 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! 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

JB-600 Journal Bearing Hybrid Turbocharger

ES#4707475 - CTS-TR-1015-2 - JB-600 Journal Bearing Hybrid Turbocharger - Budget friendly-direct bolt on turbo upgrade for an existing IS12, IS20, or IS38 turbocharger. - CTS - Audi Volkswagen

Budget friendly-direct bolt on turbo upgrade for an existing IS12, IS20, or IS38 turbocharger.

Brand:
CTS - Corporate Logo
ES#:
4707475
Mfg#:
CTS-TR-1015-2
Ships in 7 Business Days
ON SALE! SAVE 10%
$1499.99

This product was last offered at the strikethrough price on
07-10-2026

$1349.99 USD
Free Shipping

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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551285
Mfg#:
021828ECS01-03
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" High Flow Downpipe

ES#2862917 - CTSEXHDP0014CAT - 3.5" High Flow Downpipe - T304 Stainless Steel with high flow catylitic converter - CTS - Audi Volkswagen

T304 Stainless Steel with high flow catylitic converter

Brand:
CTS - Corporate Logo
ES#:
2862917
Mfg#:
CTSEXHDP0014CAT
In Stock
ON SALE! SAVE 10%
$549.99

This product was last offered at the strikethrough price on
07-14-2026

$494.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solo-Werks S1 Coilovers

ES#3010360 - S1VW012 - Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi Volkswagen

Set your vehicle low and tight for optimal performance Height adjustable from 1.4 to 2.5" (front) and 0.8" to 2.75" (rear)

Brand:
Solo-Werks - Corporate Logo
ES#:
3010360
Mfg#:
S1VW012
In Stock
17% off MSRP

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

$599.00

This product was last offered at the strikethrough price on
07-22-2026

$499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK5/MK6 Adjustable Damping Coilover System - With Installation Kit

ES#4335554 - 003980lb02KT - MK5/MK6 Adjustable Damping Coilover System - With Installation Kit - Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links. Includes all new mounts, bearings and hardware for a comprehensive suspension package. - Assembled By ECS - Audi Volkswagen

Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links. Includes all new mounts, bearings and hardware for a comprehensive suspension package. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4335554
Mfg#:
003980LB02KT
In Stock
ON SALE! SAVE 18%
$1589.99

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

$1302.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

Let us help you find the parts that fit your Audi

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