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Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

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ES#4389692 - 006418la01KT - Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner - Eliminate deflection caused by stock rubber bushings! - ECS - Audi

Eliminate deflection caused by stock rubber bushings! 10X Entries Into Our F80 M3 Sweepstakes

For the curved control arm with 75mm bushings up to the 2012 model year. Fits all models from 2013+

Brand:
ECS - Corporate Logo
ES#:
4389692
Mfg#:
006418LA01KT
Ships in 1-2 days
ON SALE! SAVE 20%
$438.99

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

$351.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569141 - 023780ECS01-02 - Billet Tunnel Brace - Red - Audi B8/Porsche Macan - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi Porsche

Replace your small and weak stamped brace with heavy-duty billet aluminum! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3569141
Mfg#:
023780ECS01-02
In Stock
ON SALE! SAVE 25%
$174.99

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

$131.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4026793 - 022846ecs01KT - Audi B8/B8.5 A4 and S4 Front Adjustable Sway Bar Kit - Complete with ECS Tuning Adjustable End Links! - ECS - Audi

Complete with ECS Tuning Adjustable End Links! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4026793
Mfg#:
022846ECS01KT
Ships on Jan 11, 2027
ON SALE! SAVE 10%
$416.99

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

$375.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4042999 - EMDSPACER20665B - EMD Auto 20mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042999
Mfg#:
EMDSPACER20665B
In Stock
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4213518 - BSD1846 - Rear BSD Blade Brake Rotors - Pair (330x22) - Upgrade to the uniquely created blade slot designed for improved braking - EBC - Audi

Upgrade to the uniquely created blade slot designed for improved braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4213518
Mfg#:
BSD1846
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.

$436.99

This product was last offered at the strikethrough price on
10-31-2026

$414.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2619502 - 35210099 - V3 Series Coilover Kit - With EDC Deactivation Kit - The ultimate in coilover technology, featuring double adjustable damping - KW Suspension - Audi

The ultimate in coilover technology, featuring double adjustable damping Fits avant models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619502
Mfg#:
35210099
Back Ordered
$3694.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2619533 - 35210097 - V3 Series Coilover Kit - With EDC Deactivation Kit - The ultimate in coilover technology, featuring double adjustable damping - KW Suspension - Audi

The ultimate in coilover technology, featuring double adjustable damping Fits sedan models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619533
Mfg#:
35210097
Back Ordered
$3694.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3579697 - CI100037 - APR Open Carbon Fiber Intake System - APR's ultimate intake system for the 3.0 TFSI - APR - Audi

APR's ultimate intake system for the 3.0 TFSI Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3579697
Mfg#:
CI100037
EO#:
D-782-8
Ships in 9 Business Days
ON SALE! SAVE 10%
$579.99

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

$521.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2093800 - 15599 - Cat-Back Exhaust - 2.25" stainless steel with dual 3.5" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 3.5" polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
2093800
Mfg#:
15599
Back Ordered
$1813.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4375353 - 012535LA01 - B8/C7 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro 10X Entries Into Our F80 M3 Sweepstakes
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that

Brand:
ECS - Corporate Logo
ES#:
4375353
Mfg#:
012535LA01
In Stock
ON SALE! SAVE 20%
$452.99

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

$362.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795753 - 003901ECS45BB -  Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 15-17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795753
Mfg#:
003901ECS45BB
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804479 - 003883ECS01A01KT - Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (380x34) - Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers - ECS - Audi

Replacement set for 380mm Stage 3-4 Big Brake Kits with Audi RS calipers 10X Entries Into Our F80 M3 Sweepstakes
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Audi RS Calipers*

Brand:
ECS - Corporate Logo
ES#:
2804479
Mfg#:
003883ECS01A01KT
In Stock
ON SALE!
$1229.99

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

$1193.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports  - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports  - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
Ships in 3 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4739076 - EP24-1386 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739076
Mfg#:
EP24-1386
In Stock
ON SALE! SAVE 20%
$126.99

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

$101.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4042991 - EMD-SPACER10665B - EMD Auto 10mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042991
Mfg#:
EMD-SPACER10665B
Ships in 2 Business Days
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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