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Audi A4 Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts

ES#2748284 - 002411ECS02AKT6 - Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748284
Mfg#:
002411ECS02AKT6
In Stock
ON SALE! SAVE 25%
$224.99

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

$168.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Full Density Line Front Control Arm Kit

ES#3199718 - 034-401-1046 - Full Density Line Front Control Arm Kit - Includes new control arms with Density Line control arm bushings, ball joints, and hardware - 034Motorsport - Audi

Includes new control arms with Density Line control arm bushings, ball joints, and hardware 2X Entries Into Our F80 M3 Sweepstakes
Fits models up through production date 11/2/2009 (M12 Ball Joints) - Please verify existing prior to ordering

Brand:
034Motorsport - Corporate Logo
ES#:
3199718
Mfg#:
034-401-1046
In Stock
$964.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 60 Durometer

ES#4619953 - 034-509-5041 - Street Density Line Motor Mount Kit - 60 Durometer - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4619953
Mfg#:
034-509-5041
In Stock
$480.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 Avant / Allroad Quattro Adjustable Damping Coilovers

ES#4474076 - 000731LA01 - B8 A4 Avant / Allroad Quattro Adjustable Damping Coilovers - Finally, coilovers specific for the Avant & Allroad! - ECS - Audi

Finally, coilovers specific for the Avant & Allroad! 10X Entries Into Our F80 M3 Sweepstakes
For Avant models only

Brand:
ECS - Corporate Logo
ES#:
4474076
Mfg#:
000731LA01
In Stock
ON SALE! SAVE 30%
$1178.99

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

$829.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 2.0T Center Resonator Delete Pipe

ES#3546964 - 023503ecs01KT - B8 2.0T Center Resonator Delete Pipe - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! - ECS - Audi

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3546964
Mfg#:
023503ECS01KT
In Stock
ON SALE! SAVE 23%
$330.99

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

$254.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Red

ES#3551285 - 021828ECS01-03 - VW/Audi Atmospheric Diverter Valve Spacer - Red - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3551285
Mfg#:
021828ECS01-03
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3521692 - S-07-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving

Brand:
BC Racing - Corporate Logo
ES#:
3521692
Mfg#:
S-07-BR
In Stock
2% off MSRP

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

$1215.00

This product was last offered at the strikethrough price on
06-10-2026

$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Street Shield Aluminum Skid Plate Kit

ES#2771912 - 003251ECS01AKT2 - ECS Tuning Street Shield Aluminum Skid Plate Kit - Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes
Fits B8 chassis A4/S4/A5/S5 models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
2771912
Mfg#:
003251ECS01AKT2
Ships in 8 Business Days
ON SALE!
$416.99

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

$396.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 2.0T Non-Resonated Valved Cat-Back Exhaust System - Single Exit Dual 3.5" Tips - Black Chrome

ES#4020150 - 003353ecs01KT1 - Audi B8/B8.5 A4 2.0T Non-Resonated Valved Cat-Back Exhaust System - Single Exit Dual 3.5" Tips - Black Chrome - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi
ECS Tuning recommends this product.

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4020150
Mfg#:
003353ECS01KT1
Ships in 1 Business Day
ON SALE! SAVE 15%
$1172.99

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

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Spec Mahle Motorsport Performance Pistons - 82.5mm bore

ES#3111675 - MAH-PVN1 - IE Spec Mahle Motorsport Performance Pistons - 82.5mm bore - Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) - Integrated Engineering - Audi Volkswagen

Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3111675
Mfg#:
MAH-PVN1
In Stock
$997.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2972519 - EXH-TDP-004-B8HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972519
Mfg#:
EXH-TDP-004-B8HF
Back Ordered
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4/S4 Flat Side Skirts - Gloss Black

ES#4045736 - 024716ecs02KT - Audi B8/B8.5 A4/S4 Flat Side Skirts - Gloss Black - Enhance your side profile with an aggressive look! - ECS - Audi

Enhance your side profile with an aggressive look! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4045736
Mfg#:
024716ECS02KT
In Stock
ON SALE! SAVE 20%
$346.99

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

$277.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate

ES#3411957 - 019207ecs01KT - Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate - Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3411957
Mfg#:
019207ECS01KT
In Stock
$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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