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Audi S4 Most Popular Parts

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B9.5 Mid-Facelift S4/A4 S-Line 3 Piece Front Lip - Gloss Black

ES#4338534 - 007041la01KT - B9.5 Mid-Facelift S4/A4 S-Line 3 Piece Front Lip - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries Into Our F80 M3 Sweepstakes

Only Fits 2019 Mid-Facelift Bumpers

Brand:
ECS - Corporate Logo
ES#:
4338534
Mfg#:
007041LA01KT
In Stock
ON SALE! SAVE 25%
$350.99

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

$263.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front YellowStuff Performance Brake Pad Set

ES#3998961 - Dp42277R - Front YellowStuff Performance Brake Pad Set - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
3998961
Mfg#:
DP42277R
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.

$242.37

This product was last offered at the strikethrough price on
10-19-2026

$230.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4

ES#3146390 - 019196ECS01A - Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3146390
Mfg#:
019196ECS01A
Ships on Nov 30, 2026
$892.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2863233 - 002403ECS02AKT3 - Wheel Spacer & Bolt Kit - 12.5mm with Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2863233
Mfg#:
002403ECS02AKT3
In Stock
ON SALE! SAVE 25%
$189.99

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

$142.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#3181977 - 06M905606F - Spark Plug - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181977
Mfg#:
06M905606F
In Stock
3% off MSRP

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

$19.98

This product was last offered at the strikethrough price on
10-19-2026

$19.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Style 349 Wheels - Set Of Four

ES#2748495 - 349A-13kt1 - 19" Style 349 Wheels - Set Of Four - 19"x9.5" ET40 CB66.6 5x112 Matte Black - Alzor - Audi

19"x9.5" ET40 CB66.6 5x112 Matte Black 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2748495
Mfg#:
349A-13KT1
In Stock
ON SALE! SAVE 35%
$1300.00

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

$845.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T

ES#2992531 - 007344ECS01 - Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T - Engineered for increased engine performance with show quality looks - ECS - Audi
ECS Tuning recommends this product.

Engineered for increased engine performance with show quality looks 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2992531
Mfg#:
007344ECS01
In Stock
ON SALE! SAVE 40%
$537.99

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

$324.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P34 SuperDuper Insuction Bundle

ES#4858324 - 034-108-5048 - P34 SuperDuper Insuction Bundle - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858324
Mfg#:
034-108-5048
In Stock
$702.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Coils - Red - Set Of Six

ES#4686053 - 002540LCA03KT - ECS Performance Ignition Coils - Red - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4686053
Mfg#:
002540LCA03KT
In Stock
ON SALE! SAVE 20%
$281.99

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

$225.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8

ES#3411961 - 017881ecs01KT - ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8 - Protect your vehicle's transmission pan with a 4mm thick aluminum skid plate - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
3411961
Mfg#:
017881ECS01KT
In Stock
ON SALE! SAVE 20%
$505.70

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

$405.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 030 Wheels - Set Of Four

ES#2713045 - 030-9 - 18" Style 030 Wheels - Set Of Four - 18"x8" ET35 5x112 66.6CB - Matte Black - Alzor - Audi MINI

18"x8" ET35 5x112 66.6CB - Matte Black 10X Entries Into Our F80 M3 Sweepstakes
Front wheels require an 10mm spacer to clear the brake calipers

Brand:
Alzor - Corporate Logo
ES#:
2713045
Mfg#:
030-9
In Stock
ON SALE! SAVE 25%
$1166.99

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

$875.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Style 628 Wheels - Set Of Four

ES#2724024 - 628-9KT - 19" Style 628 Wheels - Set Of Four - 19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face - Alzor - Audi MINI

19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2724024
Mfg#:
628-9KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front B8 Sport Strut - Priced Each

ES#2724027 - 24-145985 - Front B8 Sport Strut - Priced Each - Give your vehicle a more aggressive feel - Fits left & right side - Bilstein - Audi

Give your vehicle a more aggressive feel - Fits left & right side 10X Entries Into Our F80 M3 Sweepstakes

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2724027
Mfg#:
24-145985
Ships in 1 Business Day
$295.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D3S Premium LED Conversion Kit - Series 2

ES#4875813 - 003452LB04-03 - D3S Premium LED Conversion Kit - Series 2 - Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs - ZiZa - Audi Volkswagen

Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
4875813
Mfg#:
003452LB04-03
In Stock
ON SALE! SAVE 10%
$89.99

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

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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