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Audi A4 Performance Parts & Upgrades

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KW V1 Series Coilover Kit

ES#2102302 - 10210078 - KW V1 Series Coilover Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort Fits avant models without 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#:
2102302
Mfg#:
10210078
Ships in 5 Business Days
$2204.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Downpipe - B9 A4

ES#4904913 - IEEXCK9 - IE ProCore Downpipe - B9 A4 - Features a full and complete exhaust note with increased flow! - Integrated Engineering - Audi

Features a full and complete exhaust note with increased flow!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904913
Mfg#:
IEEXCK9
Ships in 5 Business Days
$2199.99 USD
Free Shipping
on orders $49 and up

Bilstein B16 PSS9 Suspension System

ES#1831795 - 48-169301 - Bilstein B16 PSS9 Suspension System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!
Height adjustable from 30mm to 50mm Front & Rear

Brand:
Bilstein - Corporate Logo
ES#:
1831795
Mfg#:
48-169301
Ships in 4 Business Days
31% off MSRP

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

$3177.00

This product was last offered at the strikethrough price on
11-05-2026

$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance Coilover Kit

ES#4908433 - 79005 - Air Lift Performance Coilover Kit - Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)! - Air Lift - Audi

Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)!

Brand:
Air Lift - Corporate Logo
ES#:
4908433
Mfg#:
79005
Ships in 4 Business Days
$1095.00 USD

Motorsport Rear Sway Bar End Links

ES#2864592 - 034-402-4007 - Motorsport Rear Sway Bar End Links - Replace the flimsy stock plastic and rubber units. - 034Motorsport - Audi Porsche

Replace the flimsy stock plastic and rubber units. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864592
Mfg#:
034-402-4007
In Stock
$243.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ST X Performance Coilover System - Fixed Damping

ES#3676893 - 13210078 - ST X Performance Coilover System - Fixed Damping - Set your vehicle low and tight for optimal performance. - Suspension Techniques - Audi

Set your vehicle low and tight for optimal performance. Fits Avant Models Only - Average lowering of 1.0'' to 2.2'' front and 1.0" to 2.0" rear - Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems

Brand:
Suspension Techniques - Corporate Logo
ES#:
3676893
Mfg#:
13210078
Ships on Nov 23, 2026
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794314 - IERHVC1 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4
For use with factory pistons only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794314
Mfg#:
IERHVC1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794491 - IERHVA2 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4
Drop-In rods for use with OEM pistons, or pistons with 19mm wrist pins

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794491
Mfg#:
IERHVA2
Ships in 5 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2793894 - IERHVT2 - Forged H-Beam Connecting Rods - Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) - Integrated Engineering - Audi Volkswagen

Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC)
To be used with aftermarket pistons with 21mm wrist pin only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793894
Mfg#:
IERHVT2
Ships in 5 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport & Sound Pack Cat-Back Exhaust System

ES#3508263 - 764920 - Sport & Sound Pack Cat-Back Exhaust System - Stainless steel non-resonated cat-back exhaust system with dual round, polished tips - Supersprint - Audi

Stainless steel non-resonated cat-back exhaust system with dual round, polished tips

Brand:
Supersprint - Corporate Logo
ES#:
3508263
Mfg#:
764920
Ships in 4 Business Days
$2170.99 USD
Free Shipping

Front Big Brake Kit - Stage 2 - ECS V5 Cross Dimpled & Slotted Rotors (345x30)

ES#3537749 - 025997ECS0618KT - Front Big Brake Kit - Stage 2 - ECS V5 Cross Dimpled & Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers & Akebono Euro Ceramic Pads - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers & Akebono Euro Ceramic Pads 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3537749
Mfg#:
025997ECS0618KT
Back Ordered
$2307.99

This product was last offered at the strikethrough price on
08-07-2026

$2170.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Might-As-Well-Be-Gated Kit

ES#4419866 - B8029A1 - Might-As-Well-Be-Gated Kit - This combo all but eliminates shifter slop and flex under load. - JXB Performance - Audi

This combo all but eliminates shifter slop and flex under load.

Brand:
JXB Performance - Corporate Logo
ES#:
4419866
Mfg#:
B8029A1
In Stock at Vendor
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lowering Springs

ES#4830683 - CTS-LS-025 - Lowering Springs - 1 lowering on average for front and Rear - CTS - Audi

1″ lowering on average for front and Rear

Brand:
CTS - Corporate Logo
ES#:
4830683
Mfg#:
CTS-LS-025
Ships in 8 Business Days
ON SALE! SAVE 15%
$249.99

This product was last offered at the strikethrough price on
09-29-2026

$212.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B5/C5/D2

ES#2855865 - 012602ecs01 - Carbon Fiber Mirror Cap Set - Audi B5/C5/D2 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes

From VIN 8D-X-200001, split is in the 1999 model year

Brand:
ECS - Corporate Logo
ES#:
2855865
Mfg#:
012602ECS01
Ships on Feb 26, 2027
$351.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 2 - Slotted Rotors (345x30)

ES#3537755 - 025997ECS0624KT - Front Big Brake Kit - Stage 2 - Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3537755
Mfg#:
025997ECS0624KT
In Stock
$2247.99

This product was last offered at the strikethrough price on
08-07-2026

$2110.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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