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Audi A4 Performance Parts & Upgrades

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P34 Cold Air Intake System *ROW Models*

ES#4147633 - 034-108-1023 - P34 Cold Air Intake System *ROW Models* - Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package. *The 034Motorsport P34 Cold Air Intake ROW (Rest of World, i.e. - non-North American region) is only for vehicles with a MAF attached directly to the fac

Brand:
034Motorsport - Corporate Logo
ES#:
4147633
Mfg#:
034-108-1023
In Stock
$551.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4 Solo-Werks S1 Coilovers

ES#2777314 - s1au001 - Audi B6/B7 A4 Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance Fits Sedan models only. Lowering front: 1.4" - 2.4", rear: 1.4" - 2.4"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777314
Mfg#:
S1AU001
In Stock
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Black - Audi B8

ES#4220370 - 004802la01aKT3 - Billet X-Brace - Black - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220370
Mfg#:
004802LA01AKT3
Ships on Oct 29, 2026
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ON SALE! SAVE 25%
$483.99

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

$362.99 USD
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This product is lifetime replacement eligible Lifetime Replacement

Supertech Spring / Retainer Kit

ES#2918561 - SPRKA2416 - Supertech Spring / Retainer Kit - Aftermarket performance intake and exhaust valve springs and retainers for your high revving FSI. - Supertech - Audi Volkswagen

Aftermarket performance intake and exhaust valve springs and retainers for your high revving FSI.

Brand:
Supertech - Corporate Logo
ES#:
2918561
Mfg#:
SPRKA2416
In Stock
5% off MSRP

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

$570.99

This product was last offered at the strikethrough price on
07-22-2026

$543.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B5 A4/S4 Solo-Werks S1 Coilovers

ES#2777310 - s1au004 - Audi B5 A4/S4 Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance Lowering front: 1.5" - 3", rear: 1.5" - 3"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777310
Mfg#:
S1AU004
In Stock
$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black

ES#4701364 - 051610LA01-01 - B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4701364
Mfg#:
051610LA01-01
In Stock
ON SALE! SAVE 20%
$373.99

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

$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB Magnetic Drain Plug - Priced Each

ES#3478576 - 015137ECS02 - MQB Magnetic Drain Plug - Priced Each - Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive - ECS - Audi Volkswagen Porsche

Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3478576
Mfg#:
015137ECS02
In Stock
ON SALE! SAVE 25%
$25.99

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

$19.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B8/B8.5 2.0T Direct Fit FMIC Kit

ES#4043071 - CTS-B8-DF - CTS Turbo B8/B8.5 2.0T Direct Fit FMIC Kit - Almost 2 times larger than stock, but does not cause a noticeable pressure drop - The B8 platform benefits greatly from an intercooler upgrade! - CTS - Audi

Almost 2 times larger than stock, but does not cause a noticeable pressure drop - The B8 platform benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
4043071
Mfg#:
CTS-B8-DF
Back Ordered
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$699.99

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

$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4056350 - 06E905115FKT6 - Ignition Service Kit - Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) 10X Entries For Our 25th Anniversary Sweepstakes!
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056350
Mfg#:
06E905115FKT6
In Stock
$219.99

This product was last offered at the strikethrough price on
03-12-2026

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm And 10mm With Ball Seat Bolts

Includes everything you need to install spacers on four wheels 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
5481529
Mfg#:
ECS10157KTWBKT
Back Ordered
Auto Notify
ON SALE!
$459.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles with S-line suspension

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
Ships on Aug 7, 2026
Auto Notify
ON SALE! SAVE 20%
$161.22

This product was last offered at the strikethrough price on
02-27-2026

$128.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

Fits S-Line bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drivetrain Mounts Insert Package

ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Sport Lower Control Arm Kit CTS Turbo

ES#4743108 - CTS-SUS-3006 - CTS Turbo Sport Lower Control Arm Kit CTS Turbo - Features sturdier durometer bushings, providing increased confidence and stability during cornering. - CTS - Audi

Features sturdier durometer bushings, providing increased confidence and stability during cornering. Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
CTS - Corporate Logo
ES#:
4743108
Mfg#:
CTS-SUS-3006
Ships in 7 Business Days
ON SALE! SAVE 15%
$479.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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