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Audi A3 Performance Parts & Upgrades

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CTS K04-X Hybrid Turbocharger - Transverse

ES#4315172 - CTS-TR-1050X - CTS K04-X Hybrid Turbocharger - Transverse - CTS engineers designed the compressor cover to accept a larger billet compressor wheel and exhaust housing to work with the clipped K04 turbine wheel - CTS - Audi Volkswagen

CTS engineers designed the compressor cover to accept a larger billet compressor wheel and exhaust housing to work with the clipped K04 turbine wheel For vehicles with FSI or TSI engines

Brand:
CTS - Corporate Logo
ES#:
4315172
Mfg#:
CTS-TR-1050X
Ships in 8 Business Days
ON SALE! SAVE 10%
$1999.99

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

$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shuenk IS48 OEM+ Turbo Upgrade

ES#5374471 - IS48 - Shuenk IS48 OEM+ Turbo Upgrade - Built to be more durable, reliable, and powerful than OEM but with "Plug & Play" simplicity. Select your compressor housing and whether you want a bare or loaded turbo package! - Shuenk - Audi Volkswagen

Built to be more durable, reliable, and powerful than OEM but with "Plug & Play" simplicity. Select your compressor housing and whether you want a bare or loaded turbo package!

Brand:
Shuenk - Corporate Logo
ES#:
5374471
Mfg#:
IS48
In Stock
Starting at $899.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-Flow Turbo Inlet Hose - Black

ES#3146118 - VWR12G7R600ITBLA - High-Flow Turbo Inlet Hose - Black - Improve throttle response and power - Racingline - Audi Volkswagen

Improve throttle response and power

Brand:
Racingline - Corporate Logo
ES#:
3146118
Mfg#:
VWR12G7R600ITBLA
Ships on Nov 18, 2026
ON SALE! SAVE 10%
$137.99

This product was last offered at the strikethrough price on
09-18-2026

$123.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forge "Quick Shift" Short shift Kit

ES#1832573 - FMVWQS - Forge "Quick Shift" Short shift Kit - Lever style quick shifter to obtain optimum shift times - Forge - Audi Volkswagen

Lever style quick shifter to obtain optimum shift times

Brand:
Forge - Corporate Logo
ES#:
1832573
Mfg#:
FMVWQS
Back Ordered
ON SALE! SAVE 10%
$165.88

This product was last offered at the strikethrough price on
09-18-2026

$149.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set

ES#4739118 - EP24-977 - Front EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi Volkswagen Porsche

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries Into Our F80 M3 Sweepstakes

For use with the Stage 5 Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
4739118
Mfg#:
EP24-977
In Stock
ON SALE! SAVE 20%
$184.99

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

$147.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Slotted 2-Piece Semi-Floating Brake Rotors - Pair (340x30)

ES#3659755 - 013928ecs03KT - Front Slotted 2-Piece Semi-Floating Brake Rotors - Pair (340x30) - Direct bolt-on replacement - Save 8.40lbs of unsprung weight for enhanced performance! - ECS - Audi Volkswagen

Direct bolt-on replacement - Save 8.40lbs of unsprung weight for enhanced performance! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles from the 2019 model year only

Brand:
ECS - Corporate Logo
ES#:
3659755
Mfg#:
013928ECS03KT
In Stock
ON SALE!
$927.99

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

$881.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 8V A3/S3/RS3 Trunk Spoiler - Carbon Fiber

ES#3071985 - 014788ECS01KT - Audi 8V A3/S3/RS3 Trunk Spoiler - Carbon Fiber - Set your vehicle apart from the rest - ECS - Audi

Set your vehicle apart from the rest 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3071985
Mfg#:
014788ECS01KT
Ships in 1-2 days
ON SALE! SAVE 20%
$621.99

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

$497.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace Kit - Front & Rear - Black Anodized

ES#4609303 - 018914la01-01KT - Billet Aluminum Tunnel Brace Kit - Front & Rear - Black Anodized - Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! - ECS - Audi Volkswagen

Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4609303
Mfg#:
018914LA01-01KT
In Stock
ON SALE! SAVE 25%
$257.99

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

$193.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Neuspeed Front Big Brake Kit - 340mm MQB

ES#5433366 - 99.10.45XXX.3KIT - Neuspeed Front Big Brake Kit - 340mm MQB - Unlock race-ready stopping power with the NEUSPEED Version 3 Big Brake Kit a lightweight 6-piston, 2-piece floating rotor setup delivering sharper pedal feel, better cooling, and relentless braking on street or track. - Neuspeed - Audi Volkswagen

Unlock race-ready stopping power with the NEUSPEED Version 3 Big Brake Kit — a lightweight 6-piston, 2-piece floating rotor setup delivering sharper pedal feel, better cooling, and relentless braking on street or track.

Brand:
Neuspeed - Corporate Logo
ES#:
5433366
Mfg#:
99.10.45XXX.3KIT
Ships in 2 Business Days
Starting at $3370.99 USD
Customize
Free Shipping
on orders $49 and up

Stage 3 Forged Monoblock Brake Upgrade - Blue (380mm)

ES#4583532 - VWR650003-BLU - Stage 3 Forged Monoblock Brake Upgrade - Blue (380mm) - 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 19" wheel diameter required​.

Brand:
Racingline - Corporate Logo
ES#:
4583532
Mfg#:
VWR650003-BLU
Ships on Oct 26, 2026
ON SALE! SAVE 10%
$3831.99

This product was last offered at the strikethrough price on
09-18-2026

$3448.31 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 25mm

ES#3576129 - 25.02.25.7 - Rear Sway Bar - 25mm - 2-hole adjustable sway bar - Reduce body roll while cornering and increase steering response! - Neuspeed - Audi Volkswagen

2-hole adjustable sway bar - Reduce body roll while cornering and increase steering response!

Brand:
Neuspeed - Corporate Logo
ES#:
3576129
Mfg#:
25.02.25.7
In Stock
$329.00

This product was last offered at the strikethrough price on
09-22-2026

$312.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Spherical Rear Sway Bar End Link - Pair

ES#3006223 - 034-402-4019 - Spherical Rear Sway Bar End Link - Pair - Direct drop-in upgrade for the plastic factory end links! - 034Motorsport - Audi Volkswagen

Direct drop-in upgrade for the plastic factory end links! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3006223
Mfg#:
034-402-4019
Ships in 3 Business Days
$311.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Turbo Kit

ES#2568868 - T2100012 - K04 Turbo Kit - APR S3 K04 turbo kit with software - APR - Audi Volkswagen

APR S3 K04 turbo kit with software Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
2568868
Mfg#:
T2100012
Ships in 6 Business Days
ON SALE! SAVE 10%
$3799.95

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

$3419.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Roll-Control Sway Bar - Rear

ES#4839838 - SUS00036 - Roll-Control Sway Bar - Rear - Improve cornering performance by reducing vehicle body roll without greatly impacting comfort - APR - Audi Volkswagen

Improve cornering performance by reducing vehicle body roll without greatly impacting comfort Call In Or Chat For Best Price!
Designed for all wheel drive (AWD) vehicles with the standard haldex unit (Non-RS/22+ R/25+ S3)

Brand:
APR - Corporate Logo
ES#:
4839838
Mfg#:
SUS00036
In Stock
ON SALE! SAVE 10%
$289.99

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

$260.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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