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Audi B9 A4 Quattro 2.0T Performance Parts & Upgrades

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APR Wheel Spacer Kit With Lug Bolts - 12mm Thick - 66.5mm CB - 40mm Bolts

ES#5504935 - KT100021 - APR Wheel Spacer Kit With Lug Bolts - 12mm Thick - 66.5mm CB - 40mm Bolts - 12mm spacers to perfectly dial in your stance or clear your big brake kit! Includes 10 wheel bolts. - APR - Audi

12mm spacers to perfectly dial in your stance or clear your big brake kit! Includes 10 wheel bolts. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
5504935
Mfg#:
KT100021
Ships on Nov 5, 2026
ON SALE! SAVE 10%
$181.99

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

$163.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Wheel Spacer Kit With Lug Bolts - 5mm Thick - 66.5mm CB - 32mm Bolts

ES#5507163 - KT100016 - APR Wheel Spacer Kit With Lug Bolts - 5mm Thick - 66.5mm CB - 32mm Bolts - APR Wheel Spacers (Set of 2) and Extended Lug Bolts (Set of 10) - APR - Audi

APR Wheel Spacers (Set of 2) and Extended Lug Bolts (Set of 10) Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
5507163
Mfg#:
KT100016
Ships on Nov 5, 2026
ON SALE! SAVE 10%
$116.99

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

$105.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Suspension Cup-Kit

ES#4779912 - 24-274876KT - B8 Suspension Cup-Kit - B8 Performance Plus dampers paired with H&R Sport Springs - Assembled By ECS - Audi

B8 Performance Plus dampers paired with H&R Sport Springs 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with sport suspension and without electronic suspension (49mm diameter strut)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4779912
Mfg#:
24-274876KT
Ships on Jan 28, 2027
$1285.00

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

$1211.99 USD
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Cat-Back Exhaust System

ES#4500332 - 49-36446 - MACH Force-Xp Cat-Back Exhaust System - This system produces a mild sound unleashing all available horsepower and torque! - AFE - Audi

This system produces a mild sound unleashing all available horsepower and torque! PRE-ORDER ONLY! AVAILABLE OCTOBER.

Brand:
AFE - Corporate Logo
ES#:
4500332
Mfg#:
49-36446
Back Ordered
20% off MSRP

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

$1661.99

This product was last offered at the strikethrough price on
05-27-2026

$1329.00 USD
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Stainless Steel Axle-Back Exhaust System

ES#4220053 - 49-36419-C - MACH Force-Xp Stainless Steel Axle-Back Exhaust System - Resonated 3" to 2-1/2" 304 Stainless Steel with carbon fiber tips - AFE - Audi

Resonated 3" to 2-1/2" 304 Stainless Steel with carbon fiber tips

Brand:
AFE - Corporate Logo
ES#:
4220053
Mfg#:
49-36419-C
Back Ordered
20% off MSRP

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

$1441.99

This product was last offered at the strikethrough price on
10-11-2026

$1153.00 USD

MACH Force-Xp 304 Stainless Steel Cat-Back Exhaust System

ES#4220056 - 49-36420-B - MACH Force-Xp 304 Stainless Steel Cat-Back Exhaust System - Resonated 3" to 2-1/2" with 4" black tips - AFE - Audi

Resonated 3" to 2-1/2" with 4" black tips

Brand:
AFE - Corporate Logo
ES#:
4220056
Mfg#:
49-36420-B
Back Ordered
20% off MSRP

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

$2105.00

This product was last offered at the strikethrough price on
05-27-2026

$1684.00 USD

APR Wheel Spacer Kit With Lug Bolts - 15mm Thick - 66.5mm CB - 45mm Bolts

ES#5504821 - KT100022 - APR Wheel Spacer Kit With Lug Bolts - 15mm Thick - 66.5mm CB - 45mm Bolts - 15mm spacers to perfectly dial in your stance or clear your big brake kit! Includes 10 wheel bolts. - APR - Audi

15mm spacers to perfectly dial in your stance or clear your big brake kit! Includes 10 wheel bolts. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
5504821
Mfg#:
KT100022
Back Ordered
ON SALE! SAVE 10%
$186.99

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

$167.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375563 - S-28-ER - ER Series Coilover Suspension Kit - B9 Audi A4/S4 - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - Audi

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375563
Mfg#:
S-28-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - B9 Audi A4/S4

ES#4424822 - S-28-BR - BR Series Coilover Suspension Kit - B9 Audi A4/S4 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4424822
Mfg#:
S-28-BR
Back Ordered
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375567 - S-27-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375567
Mfg#:
S-27-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375516 - S-35-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body with factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375516
Mfg#:
S-35-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375566 - S-27-ER - ER Series Coilover Suspension Kit - B9 Audi A4/S4 - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - Audi

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375566
Mfg#:
S-27-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375564 - S-28-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375564
Mfg#:
S-28-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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