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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Parts & Upgrades

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Front & Rear Performance Ceramic Brake Pad Set

ES#5445249 - B9SFRP2KT - Front & Rear Performance Ceramic Brake Pad Set - Ceramic composite developed to meet ultra-low dust and noise requirements. - Hawk - Audi

Ceramic composite developed to meet ultra-low dust and noise requirements.

Brand:
Hawk - Corporate Logo
ES#:
5445249
Mfg#:
B9SFRP2KT
Ships on Nov 5, 2026
$413.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Kit

New sway bars from H&R for unrivaled performance and fitment We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4430813
Mfg#:
71056
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.

$459.00

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

$413.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rennline Wheel Spacer Kit

ES#5424594 - LS28 - Rennline Wheel Spacer Kit - Includes one pair of wheel spacers with extended lug bolts - Rennline - Audi Porsche

Includes one pair of wheel spacers with extended lug bolts

Brand:
Rennline - Corporate Logo
ES#:
5424594
Mfg#:
LS28
Ships in 3 Business Days
Starting at $185.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake Scoop & Overlay Kit

ES#3476954 - 024641ecs01KT - Carbon Fiber Intake Scoop & Overlay Kit - Full solution to give your factory intake system a performance look! - ECS - Audi

Full solution to give your factory intake system a performance look! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476954
Mfg#:
024641ECS01KT
Back Ordered
ON SALE! SAVE 10%
$427.99

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

$385.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4027362 - 022848ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Rear Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Nov 11, 2026
$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock - Priced Each

ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Back Ordered
39% off MSRP

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

$308.99

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

$189.99 USD
Free Shipping
on orders $49 and up

Rear GD Sport Rotors - Pair (330x22)

ES#2621910 - GD1846 - Rear GD Sport Rotors - Pair (330x22) - Upgrade to a slotted/dimpled rotor for improved braking - EBC - Audi

Upgrade to a slotted/dimpled rotor for improved braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
2621910
Mfg#:
GD1846
Ships in 1 Business Day
5% off MSRP

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

$396.99

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

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Turbo Inlet

ES#4758913 - UH044-INA - Carbon Fiber Turbo Inlet - Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. - Unitronic - Audi

Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. Tune is recommend for the best performance

Brand:
Unitronic - Corporate Logo
ES#:
4758913
Mfg#:
UH044-INA
Ships in 5 Business Days
$375.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ StreetSport Front Brake Pad Set For RS+ Big Brake Package

ES#4845654 - 034-302-0025 - 034Motorsport Dynamic+ StreetSport Front Brake Pad Set For RS+ Big Brake Package - Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! - 034Motorsport - Audi

Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! 2X Entries Into Our F80 M3 Sweepstakes
Replacement for vehicles with 034Motorsport RS+ Big Brake Package only.

Brand:
034Motorsport - Corporate Logo
ES#:
4845654
Mfg#:
034-302-0025
In Stock
$375.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475298 - 06M905606F4KT - Performance Ignition Service Kit - Includes six Red CTS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red CTS coil packs and OEM spark plugs to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475298
Mfg#:
06M905606F4KT
In Stock
$360.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racingline Sport Spring Set

ES#3570412 - VWR3141S4 - Racingline Sport Spring Set - Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! - Racingline - Audi

Give your B9 S4 the ride height it deserves - The first upgrade to make to your car!

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 2 Business Days
$338.99 USD
Free Shipping
on orders $49 and up
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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Feb 19, 2027
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

M14 Titanium Wheel Stud Kit - Burnt - Set Of 20

ES#4487741 - TISTUD20145BURN - M14 Titanium Wheel Stud Kit - Burnt - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487741
Mfg#:
TISTUD20145BURN
Ships in 10 Business Days
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 10mm (1 Pair)

ES#3570121 - MS100166 - Wheel Spacer Kit - 10mm (1 Pair) - 10mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

10mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570121
Mfg#:
MS100166
Ships on Nov 4, 2026
ON SALE! SAVE 10%
$122.99

This product was last offered at the strikethrough price on
09-28-2026

$110.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Greenstuff Performance Brake Pad Set

ES#4031307 - DP22277 - Front Greenstuff Performance Brake Pad Set - Designed as a mildly upgraded pad, great for an afternoon of sporty driving. - EBC - Audi

Designed as a mildly upgraded pad, great for an afternoon of sporty driving. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4031307
Mfg#:
DP22277
Ships in 1 Business Day
$161.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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