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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Suspension Parts & Upgrades

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Racingline Billet Body Brace

ES#3570410 - VWR814100 - Racingline Billet Body Brace - Sharpen up your B9 Audi's handling response and steering feel! - Racingline - Audi

Sharpen up your B9 Audi's handling response and steering feel!

Brand:
Racingline - Corporate Logo
ES#:
3570410
Mfg#:
VWR814100
Ships in 2 Business Days
$558.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Priced Each

ES#2561116 - 8K0411317D - Front Sway Bar End Link - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2561116
Mfg#:
8K0411317D
Ships in 1-2 days
$22.43

This product was last offered at the strikethrough price on
05-26-2026

$18.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Front Sway Bar Upgrade

ES#5375237 - IESSCK3 - IE Front Sway Bar Upgrade - Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! - Integrated Engineering - Audi

Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! This front sway bar must be paired with the matching iE Rear Sway Bar (IESSCK1)

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375237
Mfg#:
IESSCK3
Ships in 1 Business Day
$339.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Special Active Rear Shock - Priced Each

ES#4698697 - 82451407 - Special Active Rear Shock - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698697
Mfg#:
82451407
Ships in 5 Business Days
38% off MSRP

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

$258.99

This product was last offered at the strikethrough price on
10-09-2026

$159.99 USD
Free Shipping
on orders $49 and up

Performance Sway Bar Kit

Kit includes 32mm front & 22mm rear sway bars We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4148346
Mfg#:
72056
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.

$1015.00

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

$913.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar (32mm)

If understeer is an issue, increasing or adding a sway bar in the front can help.

Brand:
Megan Racing - Corporate Logo
ES#:
4833874
Mfg#:
MRS-AU-2090
Ships in 4 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link Kit

ES#2779621 - 8k0411317dkt - Front Sway Bar End Link Kit - Includes both end links with securing hardware - Genuine Volkswagen Audi - Audi

Includes both end links with securing hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2779621
Mfg#:
8K0411317DKT
Ships in 2 Business Days
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Wheel Mount Kit & Magnetic Caster/Camber Gauge

ES#3129514 - 010891sch01aKT - Schwaben Wheel Mount Kit & Magnetic Caster/Camber Gauge - Perform your own caster and camber adjustments with this professional kit - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Perform your own caster and camber adjustments with this professional kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
3129514
Mfg#:
010891SCH01AKT
In Stock
ON SALE!
$403.99

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

$392.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Links - without hardware

ES#3468816 - 034-402-4025 - Adjustable Front Sway Bar End Links - without hardware - Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car. - 034Motorsport - Audi

Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3468816
Mfg#:
034-402-4025
Ships in 4 Business Days
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front And Rear Struts

ES#4698700 - 82451406KT - Special Active Front And Rear Struts - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality Vehicle will lose Adaptive Dampening Control

Brand:
Koni - Corporate Logo
ES#:
4698700
Mfg#:
82451406KT
Back Ordered
$732.99 USD
Free Shipping
on orders $49 and up

Front Upper Control Arm Bushings - Camber Adjustable

ES#4305154 - PFF3-1203G - Front Upper Control Arm Bushings - Camber Adjustable - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience

Brand:
Powerflex - Corporate Logo
ES#:
4305154
Mfg#:
PFF3-1203G
Ships in 1 Business Day
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sport Strut - Priced Each

ES#4698691 - 82411317SPORT - Front Sport Strut - Priced Each - Tighten up your Audi with these Koni struts - Koni - Audi

Tighten up your Audi with these Koni struts For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698691
Mfg#:
82411317SPORT
Back Ordered
38% 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
10-09-2026

$259.99 USD
Free Shipping
on orders $49 and up

B9 Stage 1 Suspension Package

Start off your suspension upgrades on the right foot with the EMD Auto stage 1 suspension package!

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430332
Mfg#:
EMD-B9Q-STG1
Ships in 1 Business Day
$510.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Rear Sway Bar Upgrade

ES#5435526 - SUS-0011R - CTS Turbo Rear Sway Bar Upgrade - Transform your B9/B9.5 Audi's handling and crush body roll with CTS Turbo's solid 22.5mm rear sway bar, featuring two-way adjustability up to 214% stiffer than stock. - CTS - Audi

Transform your B9/B9.5 Audi's handling and crush body roll with CTS Turbo's solid 22.5mm rear sway bar, featuring two-way adjustability up to 214% stiffer than stock.

Brand:
CTS - Corporate Logo
ES#:
5435526
Mfg#:
SUS-0011R
Ships in 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Suspension Parts & Upgrades

Your car's performance and ride quality are effectively determined by your suspension. Find all the replacement and upgrade solutions for your dampers, springs, control arms, and more in our suspension catalog.

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Manufacturer names and/or part numbers are used only for identification purposes.

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