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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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Front Performance Air Ride Kit

ES#3972075 - 78571 - Front Performance Air Ride Kit - Allow your B9 Audi to sit on the ground! - Air Lift - Audi

Allow your B9 Audi to sit on the ground! For vehicles with 48.5mm front lower mounts

Brand:
Air Lift - Corporate Logo
ES#:
3972075
Mfg#:
78571
Ships in 5 Business Days
$1386.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Pair

ES#5471154 - 8w0412377b1KT1 - Front Upper Strut Mount - Pair - Keep your suspension in top shape - Assembled By ECS - Audi

Keep your suspension in top shape 10X Entries Into Our F80 M3 Sweepstakes
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5471154
Mfg#:
8W0412377B1KT1
In Stock at Vendor
$125.99 USD
Free Shipping
on orders $49 and up

Front Sway Bar Installation Kit

ES#3969925 - 8K0411327BKT2 - Front Sway Bar Installation Kit - Includes new bushings, brackets and hardware - Assembled By ECS - Audi

Includes new bushings, brackets and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3969925
Mfg#:
8K0411327BKT2
Ships in 2 Business Days
ON SALE!
$69.99

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

$63.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Brake Service Kit (330x22)

ES#4475782 - 034-301-2008KT - Performance Rear Brake Service Kit (330x22) - Featuring 034 Motorsport 2-piece rotors and ECS EP24 Enthusiast Performance pads - Assembled By ECS - Audi

Featuring 034 Motorsport 2-piece rotors and ECS EP24 Enthusiast Performance pads 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475782
Mfg#:
034-301-2008KT
Ships in 3 Business Days
ON SALE!
$1177.97

This product was last offered at the strikethrough price on
06-15-2026

$1142.13 USD
This product is lifetime replacement eligible Lifetime Replacement

BFI Shift Knob Cover - Air Leather - Black

ES#4389485 - 4234-4M-51 - BFI Shift Knob Cover - Air Leather - Black - Perfect for an OEM plus look - Black Forest Industries - Audi

Perfect for an OEM plus look

Brand:
Black Forest Industries - Corporate Logo
ES#:
4389485
Mfg#:
4234-4M-51
Ships on Nov 5, 2026
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Shift Paddle Logo Coin Set - Chrome

ES#4659068 - IBFI2001G - BFI Shift Paddle Logo Coin Set - Chrome - Replacement decorative coins for BFI billet shift paddles - Sold as a pair - Black Forest Industries - Audi Volkswagen

Replacement decorative coins for BFI billet shift paddles - Sold as a pair

Brand:
Black Forest Industries - Corporate Logo
ES#:
4659068
Mfg#:
IBFI2001G
Ships on Nov 5, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brembo GT Front Big Brake Kit - 2 Piece Drilled Rotors (380x34)

ES#3410428 - 1N1.9059A3 - Brembo GT Front Big Brake Kit - 2 Piece Drilled Rotors (380x34) - Featuring Machined Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads - Brembo - Audi

Featuring Machined Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
3410428
Mfg#:
1N1.9059A3
Ships in 4 Business Days
$4895.00 USD
Free Shipping

Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34)

ES#4265325 - 1N2.9059A5 - Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34) - Featuring Yellow 6 piston calipers, stainless brake lines and Brembo Sport brake pads - Brembo - Audi

Featuring Yellow 6 piston calipers, stainless brake lines and Brembo Sport brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4265325
Mfg#:
1N2.9059A5
Ships in 4 Business Days
$4895.00 USD
Free Shipping
on orders $49 and up

Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34)

ES#3410430 - 1N2.9059A1 - Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34) - Featuring Black 6 piston calipers, stainless brake lines and Brembo Sport brake pads - Brembo - Audi

Featuring Black 6 piston calipers, stainless brake lines and Brembo Sport brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
3410430
Mfg#:
1N2.9059A1
Ships in 4 Business Days
$4895.00 USD
Free Shipping
on orders $49 and up

Brembo GT-R Front Big Brake Kit - 2-Piece Type 3 Rotors (380x34)

ES#4265340 - 1N3.9059AR - Brembo GT-R Front Big Brake Kit - 2-Piece Type 3 Rotors (380x34) - Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads - Brembo - Audi

Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4265340
Mfg#:
1N3.9059AR
Ships in 4 Business Days
$9595.00 USD
Free Shipping
on orders $49 and up

Brembo GT-R Front Big Brake Kit - 2-Piece Slotted Rotors (380x34)

ES#4265339 - 1N2.9059AR - Brembo GT-R Front Big Brake Kit - 2-Piece Slotted Rotors (380x34) - Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads - Brembo - Audi

Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4265339
Mfg#:
1N2.9059AR
Ships in 4 Business Days
$9595.00 USD
Free Shipping
on orders $49 and up

Brembo GT Front Big Brake Kit - 2-Piece Type 3 Rotors (380x34)

ES#4265329 - 1N3.9059A2 - Brembo GT Front Big Brake Kit - 2-Piece Type 3 Rotors (380x34) - Featuring Red 6 piston calipers, stainless brake lines and Brembo Sport brake pads - Brembo - Audi

Featuring Red 6 piston calipers, stainless brake lines and Brembo Sport brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4265329
Mfg#:
1N3.9059A2
Ships in 4 Business Days
$4895.00 USD
Free Shipping
on orders $49 and up

Brembo GT-R Front Big Brake Kit - 2-Piece Drilled Rotors (380x34)

ES#4265338 - 1N1.9059AR - Brembo GT-R Front Big Brake Kit - 2-Piece Drilled Rotors (380x34) - Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads - Brembo - Audi

Featuring Nickel Plated Billet Monobloc 6 piston calipers, stainless brake lines and Brembo High Performance brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4265338
Mfg#:
1N1.9059AR
Ships in 4 Business Days
$9595.00 USD
Free Shipping

Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34)

ES#3410429 - 1N2.9059A2 - Brembo GT Front Big Brake Kit - 2 Piece Slotted Rotors (380x34) - Featuring Red 6 piston calipers, stainless brake lines and Brembo Sport brake pads - Brembo - Audi

Featuring Red 6 piston calipers, stainless brake lines and Brembo Sport brake pads 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
3410429
Mfg#:
1N2.9059A2
Ships in 4 Business Days
$4895.00 USD
Free Shipping
on orders $49 and up

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

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