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Audi 8V S3 Quattro 2.0T Sedan

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Audi 8V S3 Quattro 2.0T Sedan Performance Parts & Upgrades

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Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions

ES#3221076 - 019797ecs01KT - Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3221076
Mfg#:
019797ECS01KT
In Stock
ON SALE! SAVE 25%
$191.97

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

$143.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar - 24mm

ES#3980843 - BWR25XZ - Adjustable Rear Sway Bar - 24mm - Principally designed to reduce body roll or sway - More grip = Better handling! - Whiteline - Audi Volkswagen

Principally designed to reduce body roll or sway - More grip = Better handling!

Brand:
Whiteline - Corporate Logo
ES#:
3980843
Mfg#:
BWR25XZ
In Stock
$268.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turboback Exhaust System - Resonated - Valved

ES#2918045 - SSXAU381KT3 - Turboback Exhaust System - Resonated - Valved - 3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips - Milltek Sport - Audi

3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2918045
Mfg#:
SSXAU381KT3
Ships on Oct 28, 2026
$4562.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Trueflex Ethanol Harness Kit

ES#5375191 - IEELDB1 - IE Trueflex Ethanol Harness Kit - A complete plug-and-play harness is everything required to utilize iE VW MK8/Audi 8Y TrueFlex tuning features - Integrated Engineering - Audi Volkswagen

A complete plug-and-play harness is everything required to utilize iE VW MK8/Audi 8Y TrueFlex tuning features

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375191
Mfg#:
IEELDB1
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T Gen3 Diverter Valve Upgrade - Red

ES#4839641 - 013907la01-01KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Red - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE! SAVE 25%
$333.99

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

$250.49 USD
Free Shipping
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. Minimum 18" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4447614
Mfg#:
VWR650001-YEL
Ships on Oct 28, 2026
$4498.99 USD
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. Minimum 18" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4583536
Mfg#:
VWR650001-BLU
Ships on Oct 28, 2026
$4498.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4000158 - VWR650001-RED - Stage 3 Forged Monoblock Brake Upgrade - Red (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. Minimum 18" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4000158
Mfg#:
VWR650001-RED
Ships on Oct 28, 2026
$4498.99 USD
Free Shipping

Wheel Spacer Flush Fit Kit - Black Bolts

ES#2951804 - 009811ECS01KT1 - Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 19" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2951804
Mfg#:
009811ECS01KT1
In Stock
ON SALE! SAVE 25%
$312.99

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

$234.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi 8V A3/S3 With Lane Assist

ES#2972731 - 011121ecs03 - Carbon Fiber Mirror Cap Set - Audi 8V A3/S3 With Lane Assist - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes
For 8V A3/S3 vehicles with lane change assist

Brand:
ECS - Corporate Logo
ES#:
2972731
Mfg#:
011121ECS03
In Stock
ON SALE! SAVE 34%
$374.99

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

$247.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Stainless Braided Brake Line Kit

ES#3476968 - 034-303-0016 - Front & Rear Stainless Braided Brake Line Kit - Replace your stock rubber brake hoses with these performance-minded stainless steel braided lines - 034Motorsport - Audi Volkswagen

Replace your stock rubber brake hoses with these performance-minded stainless steel braided lines 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3476968
Mfg#:
034-303-0016
In Stock
$170.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Polyurethane Control Arm Bushing Kit - With Hardware

ES#3136044 - 008692ECS02-02KT - Front Polyurethane Control Arm Bushing Kit - With Hardware - Engage the road with precision, confidence and reliability with our ECS Poly Control Arm Bushing Kit! - ECS - Audi Volkswagen

Engage the road with precision, confidence and reliability with our ECS Poly Control Arm Bushing Kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3136044
Mfg#:
008692ECS02-02KT
In Stock
ON SALE! SAVE 25%
$234.99

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

$176.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Performance Engine Mount - Stage 1

ES#4159768 - EBFI77-M7-401 - BFI Performance Engine Mount - Stage 1 - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible

Brand:
Black Forest Industries - Corporate Logo
ES#:
4159768
Mfg#:
EBFI77-M7-401
Ships on Oct 28, 2026
$289.99 USD
Free Shipping
on orders $49 and up
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.

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