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Audi A3 Performance Parts & Upgrades

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COBB Flex Fuel Upgrade Kit

ES#4759401 - 3V2650 - COBB Flex Fuel Upgrade Kit - Includes an ethanol content sensor with bracket, bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator template and pin tool - CobbTuning - Audi Volkswagen

Includes an ethanol content sensor with bracket, bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator template and pin tool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4759401
Mfg#:
3V2650
In Stock
$245.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

22.2mm Solid Rear Sway Bar Upgrade - Adjustable

ES#3098425 - 0344021006 - 22.2mm Solid Rear Sway Bar Upgrade - Adjustable - 2-way adjustable solid performance bar - 034Motorsport - Audi Volkswagen

2-way adjustable solid performance bar affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3098425
Mfg#:
0344021006
In Stock
$332.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear HPS 5.0 Performance Brake Pad Set

ES#2748627 - HB544B.628 - Rear HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise - Hawk - Audi Volkswagen

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
2748627
Mfg#:
HB544B.628
In Stock
$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Caliper Guide Bushing Set

ES#2931544 - 003326ecs01-02KT - Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - Audi Volkswagen

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2931544
Mfg#:
003326ECS01-02KT
In Stock
ON SALE! SAVE 25%
$166.99

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

$124.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK5 R32 / MK6 Golf R Front and Rear Adjustable Sway Bar Upgrade Kit

ES#4488051 - 004174LB01-02KT - MK5 R32 / MK6 Golf R Front and Rear Adjustable Sway Bar Upgrade Kit - Reduce body roll and enhance handling with our complete front & rear sway bar package - ECS - Audi Volkswagen

Reduce body roll and enhance handling with our complete front & rear sway bar package affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4488051
Mfg#:
004174LB01-02KT
In Stock
ON SALE!
$677.73

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

$657.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own Air Lift Performance Kit - 3/8" Lines

ES#3971174 - 78522/MK73/8 - Build-Your-Own Air Lift Performance Kit - 3/8" Lines - Choose your struts, management, tank option and more - Air Lift - Audi Volkswagen

Choose your struts, management, tank option and more affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
3971174
Mfg#:
78522/MK73/8
Ships in 4 Business Days
Starting at $1870.98 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Lower Polyurethane Control Arm Bushings - Outboard Set

ES#3419774 - 017697ECS01-04 - Rear Lower Polyurethane Control Arm Bushings - Outboard Set - Engage the road with precision, confidence and reliability with our ECS Poly Control Arm Bushings! - ECS - Audi Volkswagen

Engage the road with precision, confidence and reliability with our ECS Poly Control Arm Bushings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Mounts rear lower control arms to spindles

Brand:
ECS - Corporate Logo
ES#:
3419774
Mfg#:
017697ECS01-04
In Stock
ON SALE! SAVE 25%
$64.99

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

$48.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit

ES#2500572 - 1KM698004 - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi Volkswagen

Complete set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with 272mm rear brakes only, please see description for more details.

Brand:
ECS - Corporate Logo
ES#:
2500572
Mfg#:
1KM698004
In Stock
ON SALE!
$218.99

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

$208.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Air Intake System

ES#4362282 - UH002-INA - Cold Air Intake System - 2.0 TFSI Cold Air Intake System - Unitronic - Audi Volkswagen

2.0 TFSI Cold Air Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For TFSI models only

Brand:
Unitronic - Corporate Logo
ES#:
4362282
Mfg#:
UH002-INA
Back Ordered
Auto Notify
$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ Lowering Springs

ES#4475880 - 034-404-1012 - 034Motorsport Dynamic+ Lowering Springs - Retain excellent ride quality while lowering your veihcle - 034Motorsport - Audi

Retain excellent ride quality while lowering your veihcle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without Magride suspension

Brand:
034Motorsport - Corporate Logo
ES#:
4475880
Mfg#:
034-404-1012
In Stock
$326.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Stage 3 Performance Clutch Kit with Street Weight Forged Steel Flywheel (25.45bs)

ES#4818042 - 002721LA02-07KT - ECS Tuning Stage 3 Performance Clutch Kit with Street Weight Forged Steel Flywheel (25.45bs) - The best value for K04 / K04 Hybrid or bolt-on turbo power levels! Capable of holding 450 Ft/Lbs of crank torque - ECS - Audi Volkswagen

The best value for K04 / K04 Hybrid or bolt-on turbo power levels! Capable of holding 450 Ft/Lbs of crank torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4818042
Mfg#:
002721LA02-07KT
Ships in 1-3 days
ON SALE!
$1191.27

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

$1131.71 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - With UniCONNECT+ Cable

ES#4381815 - 20FSI-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only.

Brand:
Unitronic - Corporate Logo
ES#:
4381815
Mfg#:
20FSI-UC
In Stock
ON SALE!
Starting at $564.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own Air Lift Performance Kit - 1/4" Lines

ES#3971161 - 78522/MK7 - Build-Your-Own Air Lift Performance Kit - 1/4" Lines - Choose your struts, management, tank option and more - Air Lift - Audi Volkswagen

Choose your struts, management, tank option and more affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
3971161
Mfg#:
78522/MK7
Ships in 4 Business Days
Starting at $1870.98 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mahle PowerPak Piston Set - 83mm Bore

ES#3476219 - MAHFSI197800168 - Mahle PowerPak Piston Set - 83mm Bore - Forged alloy pistons - 83mm Bore (+.5mm overbore), 20mm wrist pins, 9.25:1 compression ratio - Integrated Engineering - Audi Volkswagen

Forged alloy pistons - 83mm Bore (+.5mm overbore), 20mm wrist pins, 9.25:1 compression ratio affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with FSI engines only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3476219
Mfg#:
MAHFSI197800168
Ships in 3 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Forged Monoblock Brake Upgrade - Blue (355mm)

ES#4583536 - VWR650001-BLU - Stage 3 Forged Monoblock Brake Upgrade - Blue (355mm) - 6 piston calipers featuring two-piece floating high cast carbon discs. - Racingline - Audi Volkswagen

6 piston calipers featuring two-piece floating high cast carbon discs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Minimum 18" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4583536
Mfg#:
VWR650001-BLU
Ships in 2 Business Days
$4498.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Forged Monoblock Brake Upgrade - Yellow (355mm)

ES#4447614 - VWR650001-YEL - Stage 3 Forged Monoblock Brake Upgrade - Yellow (355mm) - 6 piston calipers featuring two-piece floating high cast carbon discs. - Racingline - Audi Volkswagen

6 piston calipers featuring two-piece floating high cast carbon discs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Minimum 18" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4447614
Mfg#:
VWR650001-YEL
Ships in 2 Business Days
$4498.99 USD
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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Manufacturer names and/or part numbers are used only for identification purposes.

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