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Audi A4 Performance Parts & Upgrades

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ES#3148271 - ED-MT-A4-1.8TKT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware

Brand:
Eurodyne - Corporate Logo
ES#:
3148271
Mfg#:
ED-MT-A4-1.8TKT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4624221 - JB4-AUDI-EA888-G - JB4 Tuner For Audi EA888 Gen4 2.0 TFSI 261hp & 265hp - Plug & play tune with gains up to 40hp/50lb-ft. - Burger Motorsports - Audi Porsche

Plug & play tune with gains up to 40hp/50lb-ft. For 2021+ models only

Brand:
Burger Motorsports - Corporate Logo
ES#:
4624221
Mfg#:
JB4-AUDI-EA888-G
In Stock
$529.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#3618485 - 2455668SW - DR Series Wheel Spacers (Black) - 12mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi MINI Porsche

Get a new set of spacers and widen the stance of your vehicle We Price Match - Give Us A Call or Chat!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 4.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
3618485
Mfg#:
2455668SW
Ships in 3 Business Days
10% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
10-01-2026

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4362348 - UH016-ICA - Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad - Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. - Unitronic - Audi

Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction.

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
Ships in 6 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2681770 - 8T0615108KT -  Front Big Brake Kit - Stage 3 - 2-Piece Rotors (365x34) - Featuring RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads - ECS - Audi

Featuring RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads 10X Entries Into Our F80 M3 Sweepstakes
Please download the installation template to confirm this brake kit will fit behind your factory or after

Brand:
ECS - Corporate Logo
ES#:
2681770
Mfg#:
8T0615108KT
Ships in 8 Business Days
$4745.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4220370 - 004802la01aKT3 - Billet X-Brace - Black - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! 10X Entries Into Our F80 M3 Sweepstakes

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220370
Mfg#:
004802LA01AKT3
Ships on Nov 30, 2026
ON SALE! SAVE 30%
$483.99

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

$338.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber 10X Entries Into Our F80 M3 Sweepstakes

Fits Facelift models with S-Line(S4) front bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
ON SALE! SAVE 20%
$173.99

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

$139.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#250709 - 002403ECS03A15KT -  ECS Wheel Spacers - 15mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
250709
Mfg#:
002403ECS03A15KT
In Stock
ON SALE! SAVE 30%
$131.99

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

$92.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4701692 - WAS-510 - Tubular Front Subframe - Increases chassis rigidity for improved handling performance and eliminates subframe shifting - Verkline - Audi

Increases chassis rigidity for improved handling performance and eliminates subframe shifting

Brand:
Verkline - Corporate Logo
ES#:
4701692
Mfg#:
WAS-510
Ships on Nov 20, 2026
$1569.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3194672 - 018325ECS01KT2 - Silicone Charge Pipe Set - Includes oversized silicone pipes from the turbo outlet to the throttle body - ECS - Audi

Includes oversized silicone pipes from the turbo outlet to the throttle body 10X Entries Into Our F80 M3 Sweepstakes
For use with the OEM intercooler

Brand:
ECS - Corporate Logo
ES#:
3194672
Mfg#:
018325ECS01KT2
In Stock
ON SALE! SAVE 20%
$293.99

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

$235.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4487608 - 034-108-1049 - S34 Carbon Fiber Intake  - Delivers improved power, induction noises, and overall performance in a attractive, clean, and cost-effective package. - 034Motorsport - Audi

Delivers improved power, induction noises, and overall performance in a attractive, clean, and cost-effective package. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4487608
Mfg#:
034-108-1049
In Stock
$427.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3449149 - SBCF70614 - Lightweight Single Mass Flywheel - Reduce rotating mass, unleash hidden power - South Bend Clutch - Audi

Reduce rotating mass, unleash hidden power

Brand:
South Bend Clutch - Corporate Logo
ES#:
3449149
Mfg#:
SBCF70614
In Stock
$1562.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4583476 - 034-110-9004 - Billet Oil Filter Housing - EA837 3.0T - Looking to increase the reliability and integrity of your oil filter housing, and spruce up your engine bay as a bonus? - 034Motorsport - Audi Volkswagen

Looking to increase the reliability and integrity of your oil filter housing, and spruce up your engine bay as a bonus? 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4583476
Mfg#:
034-110-9004
In Stock
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804479 - 003883ECS01A01KT - Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34) - Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers - ECS - Audi

Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers 10X Entries Into Our F80 M3 Sweepstakes
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Audi RS Calipers*

Brand:
ECS - Corporate Logo
ES#:
2804479
Mfg#:
003883ECS01A01KT
In Stock
ON SALE!
$1229.99

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

$1168.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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