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We are closed July 3rd–5th for the holiday! Orders will ship starting July 6th. Happy Independence Day!
We are closed July 3rd–5th for the holiday! Orders will ship starting July 6th. Happy Independence Day!

Audi A4/S4 B7

The Audi A4 (B7) was produced from 2004 to 2008 and featured a sharper front-end design, updated suspension, and improved steering compared to the previous generation.
The high-performance Audi S4 (B7) retained the 4.2-liter V8 engine, delivering strong power and a distinctive exhaust sound in both sedan and Avant versions.
Both models were available with Quattro all-wheel drive, refined interiors, and a balance of everyday comfort with sporty driving dynamics.

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H&R Trak+ 5mm DR Wheel Adaptor Adapts 57.1 Center Bore Vehicle to 66.5 Center Bore Wheel

H&R
$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95
6 in stock

H&R's TRAK+(TM) Wheel Adapters are hubcentric spacers that allow you to change bolt patterns for different wheel fitments. Please check availa...

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$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

H&R Trak+ 5mm DR Wheel Adaptor Bolt 5/112 Center Bore 57.1 Bolt Thread 14x1.5

H&R
$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
Only 5 left!

H&R Trak+ Wheel Spacers move your wheels out so they are flush with the fender-instantly giving your vehicle the perfect stance. Whether you w...

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$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95

H&R Trak+ 3mm DR Wheel Spacers Bolt 5/112 Center Bore 57.1 Bolt Thread 14x1.5 (Pair)

H&R
$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
Only 4 left!

H&R Trak+(R) Wheel Spacers move your wheels out so they are flush with the fender-instantly giving your vehicle the perfect stance. Whether yo...

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$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
Save 15% Save %

Fluidampr VW 06-08 2L FSI Motor (6 bolt hole mounting) Steel Internally Balanced Damper

FLUIDAMPR
$590.58
$590.58 - $590.58
$590.58
$501.99
$501.99 - $501.99
$501.99
Only 5 left!

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. S...

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$590.58
$590.58 - $590.58
$590.58
$501.99
$501.99 - $501.99
$501.99
Save 15% Save %
Save 10% Save %

Eibach Pro-Kit for 02-08 Audi A4 Avant Wagon/Quattro/B6/B7

EIBACH
$438.89
$438.89 - $438.89
$438.89
$395.00
$395.00 - $395.00
$395.00
9 in stock

Eibach Pro-Kit for 02-08 Audi A4 Avant Wagon/Quattro/B6/B7

$438.89
$438.89 - $438.89
$438.89
$395.00
$395.00 - $395.00
$395.00
Save 10% Save %
Save 10% Save %

Eibach Pro-Kit for 00-08 Audi A4 Quattro Sedan

EIBACH
$438.89
$438.89 - $438.89
$438.89
$395.00
$395.00 - $395.00
$395.00
Only 5 left!

Eibach Pro-Kit for 00-08 Audi A4 Quattro Sedan

$438.89
$438.89 - $438.89
$438.89
$395.00
$395.00 - $395.00
$395.00
Save 10% Save %
Save 31% Save %

Bilstein B16 2004 Audi S4 Base Front and Rear Performance Suspension System

BILSTEIN
$3,167.10
$3,167.10 - $3,167.10
$3,167.10
$2,192.00
$2,192.00 - $2,192.00
$2,192.00
22 in stock

Bilstein B16 (PSS9) suspension kits feature ride height adjustability with 9-stage manually adjustable dampers in an OE quality, direct fit package...

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$3,167.10
$3,167.10 - $3,167.10
$3,167.10
$2,192.00
$2,192.00 - $2,192.00
$2,192.00
Save 31% Save %
Save 31% Save %

Bilstein B14 2004 Audi A4 Avant Front and Rear Suspension Kit

BILSTEIN
$1,693.20
$1,693.20 - $1,693.20
$1,693.20
$1,172.00
$1,172.00 - $1,172.00
$1,172.00
Only 3 left!

Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality, direct fit package. These kits offer monotube performance da...

View full details
$1,693.20
$1,693.20 - $1,693.20
$1,693.20
$1,172.00
$1,172.00 - $1,172.00
$1,172.00
Save 31% Save %
Save 31% Save %

Bilstein B14 Audi S4 (8E) K4 Performance Suspension System (May Req. OE 8E0412377C)

BILSTEIN
$1,693.20
$1,693.20 - $1,693.20
$1,693.20
$1,172.00
$1,172.00 - $1,172.00
$1,172.00
19 in stock

Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality, direct fit package. These kits offer monotube performance da...

View full details
$1,693.20
$1,693.20 - $1,693.20
$1,693.20
$1,172.00
$1,172.00 - $1,172.00
$1,172.00
Save 31% Save %
Save 17% Save %

Bilstein B12 2003 Audi A4 Quattro Base Front and Rear Complete Suspension Kit

BILSTEIN
$955.74
$955.74 - $955.74
$955.74
$794.00
$794.00 - $794.00
$794.00
11 in stock

Bilstein B12 (Pro-Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro-Kit) springs that provide mod...

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$955.74
$955.74 - $955.74
$955.74
$794.00
$794.00 - $794.00
$794.00
Save 17% Save %
Save 47% Save %

Bilstein B4 2005 Audi S4 Base Rear Twintube Shock Absorber

BILSTEIN
$170.34
$170.34 - $170.34
$170.34
$91.00
$91.00 - $91.00
$91.00
84 in stock

Bilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, whi...

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$170.34
$170.34 - $170.34
$170.34
$91.00
$91.00 - $91.00
$91.00
Save 47% Save %

Wiseco 82.5mm Ring Set Ring Shelf Stock

WISECO
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99
Only 4 left!

Wiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of ...

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$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99

Wiseco 82.00MM RING SET Ring Shelf Stock

WISECO
$30.99 - $30.99
$30.99
$30.99 - $30.99
$30.99
11 in stock

Wiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of ...

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$30.99 - $30.99
$30.99
$30.99 - $30.99
$30.99

Wiseco 81.50MM RING SET Ring Shelf Stock

WISECO
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99
14 in stock

Wiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of ...

View full details
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99

Wiseco 81.00MM RING SET Ring Shelf Stock

WISECO
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99
25 in stock

Wiseco piston ring sets are made specifically to Wiseco?s specifications to provide ultimate performance and sealing with Wiseco?s wide variety of ...

View full details
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99

JHM - 6 - Rib Conversion Kit Auto Tensioner Replacement Belt - B6 - B7 S4

JH MOTORSPORTS
$32.00 - $32.00
$32.00
$32.00 - $32.00
$32.00
Ships from Supplier

JHM 6-Rib Conversion Kit Auto Tensioner Replacement Belt - B6-B7 S4

$32.00 - $32.00
$32.00
$32.00 - $32.00
$32.00

JHM - 0A3 Synchro (JHM - Performance) 1st - 2nd Gear - EACH

JH MOTORSPORTS
$165.00 - $165.00
$165.00
$165.00 - $165.00
$165.00
Ships from Supplier

JHM 0A3 Synchro (JHM-Performance) 1st-2nd Gear - EACH

$165.00 - $165.00
$165.00
$165.00 - $165.00
$165.00

JHM - 4:1 Center Diff Upgrade SHIMS ONLY for Automatic TIP Transmission 6 - speed 6HP19

JH MOTORSPORTS
$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95
Ships from Supplier

JHM 4 1 Center Diff Upgrade SHIMS ONLY for Automatic TIP Transmission 6-speed 6HP19

$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95

JHM - 0A3 Synchro (JHM - Performance) 3rd - 6th Gear - EACH

JH MOTORSPORTS
$165.00 - $165.00
$165.00
$165.00 - $165.00
$165.00
Ships from Supplier

JHM 0A3 Synchro (JHM-Performance) 3rd-6th Gear - EACH

$165.00 - $165.00
$165.00
$165.00 - $165.00
$165.00

JHM - 4:1 Center Diff Upgrade (Tiptronic Trans Only) for B6 - B7 S4 and B7 A4

JH MOTORSPORTS
$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00
Ships from Supplier

JHM 4 1 Center Diff Upgrade (Tiptronic Trans Only) for B6-B7 S4 and B7 A4

$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00

JHM - Brake Line Kit - Stainless (JHM) Front and Rear Lines for B6 - B7 S4

JH MOTORSPORTS
$124.95 - $124.95
$124.95
$124.95 - $124.95
$124.95
Ships from Supplier

This is a complete, stainless brake line kit for your B6-B7 S4 Audi. This kit comes with a total of 4 lines to replace all of the factory brake ho...

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$124.95 - $124.95
$124.95
$124.95 - $124.95
$124.95

JHM - Center diff O - ring (JHM) for 0A3 and Others

JH MOTORSPORTS
$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95
Ships from Supplier

Center diff O-ring (JHM) for 0A3 and Others

$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95

JHM - Cabriolet Brace Spacer Kit (JHM) for Performance Exhaust for B6 - B7 A4 - S4 - RS4 & B8 RS5

JH MOTORSPORTS
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
Ships from Supplier

JHM Cabriolet Brace Spacer Kit (JHM) for Performance Exhaust for B6-B7 A4-S4-RS4

$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

JHM - 4:1 Center Diff Upgrade SHIMS ONLY for 01A Manual Transmission

JH MOTORSPORTS
$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95
Ships from Supplier

JHM 4:1 Center Diff Upgrade SHIMS ONLY for 01A Manual Transmission

$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95