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Audi A4 Performance Parts & Upgrades

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Supertech Stainless Intake Valves - Set Of 12

ES#3614114 - st18taivn1103KT - Supertech Stainless Intake Valves - Set Of 12 - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup

Brand:
Supertech - Corporate Logo
ES#:
3614114
Mfg#:
ST18TAIVN1103KT
Ships in 6 Business Days
$343.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JE 180 Tool Steel Wrist Pin Upgrade - Priced Each

ES#4883051 - 787225018TTC - JE 180 Tool Steel Wrist Pin Upgrade - Priced Each - For use with 20mm JE Piston sets - Integrated Engineering - Audi Volkswagen

For use with 20mm JE Piston sets 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4883051
Mfg#:
787225018TTC
In Stock at Vendor
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Boost Tap Kit

ES#3136139 - 005942ECS01KT2 - Throttle Body Boost Tap Kit - Installs between the throttle body and intake manifold. Features two vacuum ports for multiple boost / vacuum references. - ECS - Audi

Installs between the throttle body and intake manifold. Features two vacuum ports for multiple boost / vacuum references. 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3136139
Mfg#:
005942ECS01KT2
In Stock
ON SALE! SAVE 15%
$100.99

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

$85.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Engine Mount Kit - Audi B7 A4

ES#2826399 - 000805ECS01AKT3 - ECS Performance Engine Mount Kit - Audi B7 A4 - Performance engine mounts to increase drivetrain rigidity - ECS - Audi

Performance engine mounts to increase drivetrain rigidity 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without electronically monitored engine mounts.

Brand:
ECS - Corporate Logo
ES#:
2826399
Mfg#:
000805ECS01AKT3
In Stock
ON SALE!
$359.99

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

$341.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Talon Cross Drilled & Slotted Brake Rotors - Pair (321x30)

ES#3571172 - HTC4766 - Front Talon Cross Drilled & Slotted Brake Rotors - Pair (321x30) - An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package! - Hawk - Audi

An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package!

Brand:
Hawk - Corporate Logo
ES#:
3571172
Mfg#:
HTC4766
Special Order: No Guaranteed ETA
20% off MSRP

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

$426.99

This product was last offered at the strikethrough price on
07-29-2026

$341.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#1118 - 29989-1 - Sport Springs - Set - Unrivaled comfort and performance. Average lowering of 1.3"F 1.3"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.3"F 1.3"R 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1118
Mfg#:
29989-1
Ships in 3 Business Days
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs Set

ES#6914 - 29312-1 - Sport Springs Set - Unrivaled comfort and performance. Average lowering of 1.3"F 1.25"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.3"F 1.25"R 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits Cabrio models only - Average lowering of 1.3" front and 1.25" rear

Brand:
H&R - Corporate Logo
ES#:
6914
Mfg#:
29312-1
Ships in 3 Business Days
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Spring Set

ES#1119 - 29989-2 - Sport Spring Set - Unrivaled comfort and performance. Average lowering of 1.3"F 1.3"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.3"F 1.3"R 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1119
Mfg#:
29989-2
Ships in 3 Business Days
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Springs Set

ES#1074 - 29996-2 - Race Springs Set - Aggressive looks with ultimate handling for your A4 Avant - H&R - Audi

Aggressive looks with ultimate handling for your A4 Avant 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Fits avant models only -
For Avant models only. Average lowering of 1.9" Front & 1.5" Rear

Brand:
H&R - Corporate Logo
ES#:
1074
Mfg#:
29996-2
Ships in 3 Business Days
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter 6-Speed (Late Style)

If you desire the ultimate in shifting, the JH Motorsports Solid Short Throw Shifter is the perfect solution! For models with late style shifter (Cars that DO NOT have push-down style reverse)

Brand:
JH Motorsports - Corporate Logo
ES#:
4046144
Mfg#:
STS-C5PASSAT
Ships in 10 Business Days
$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Hose Kit

ES#2848059 - CTSSILB8ITKIT - Silicone Intercooler Hose Kit - Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. - CTS - Audi

Add a better flowing, stronger set of hoses to your vehicle and keep it running strong.

Brand:
CTS - Corporate Logo
ES#:
2848059
Mfg#:
CTSSILB8ITKIT
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Audi B8 A4

ES#3071990 - 009791ECS03KT - Carbon Fiber Trunk Spoiler - Audi B8 A4 - Set your vehicle apart from the rest - ECS - Audi

Set your vehicle apart from the rest 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without integrated trunk spoilers up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3071990
Mfg#:
009791ECS03KT
In Stock
ON SALE! SAVE 20%
$423.99

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

$339.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Pack - Level 1

ES#4017065 - b618tpplvl1KT - B6 A4 1.8T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from VIN 8E-4-000001, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017065
Mfg#:
B618TPPLVL1KT
In Stock
ON SALE! SAVE 13%
$389.99

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

$338.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Talon Brake Rotors - Pair (320x30)

ES#3571229 - HTC4852 - Front Talon Brake Rotors - Pair (320x30) - An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package! - Hawk - Audi

An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package!

Brand:
Hawk - Corporate Logo
ES#:
3571229
Mfg#:
HTC4852
Special Order: No Guaranteed ETA
20% off MSRP

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

$421.99

This product was last offered at the strikethrough price on
07-29-2026

$337.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar

ES#4027361 - 022847ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Dec 8, 2026
ON SALE! SAVE 10%
$374.81

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

$337.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Polished

ES#3137380 - 005887ECS01KT3 - Billet Aluminum Oil Filter Housing Hook-Up - Polished - Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! - Assembled By ECS - Audi

Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137380
Mfg#:
005887ECS01KT3
In Stock
ON SALE! SAVE 19%
$137.99

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

$112.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Performance Parts & Upgrades

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Let us help you find the parts that fit your Audi

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