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Audi S4 Performance Parts & Upgrades

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Audi rear DTC-30

DTC-30 is a controllable torque, multi-purpose compound, proven effective in a range of series.

Brand:
Hawk - Corporate Logo
ES#:
2834446
Mfg#:
HB642W.658
Ships on Nov 11, 2026
10% off MSRP

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

$273.99

This product was last offered at the strikethrough price on
10-24-2026

$246.99 USD
Free Shipping

Polyurethane Front Subframe Bushings - Set of Four

ES#4701562 - ELA-007 - Polyurethane Front Subframe Bushings - Set of Four - Offers more precise feel and quicker reactions to steering input while eliminating unwanted suspension movement - Verkline - Audi

Offers more precise feel and quicker reactions to steering input while eliminating unwanted suspension movement

Brand:
Verkline - Corporate Logo
ES#:
4701562
Mfg#:
ELA-007
Ships in 1 Business Day
$245.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline 3-Piece Pedal Set - Automatic Transmission - Silver

Silver anodized aircraft aluminum gas, brake, and dead pedal set with rubber grips and stainless steel hardware

Brand:
Rennline - Corporate Logo
ES#:
2840425
Mfg#:
P756393SILVER
Ships in 6 Business Days
$245.00 USD
Free Shipping
on orders $49 and up

S-Tech Sport Springs - Set

ES#2765529 - SKG08-AUB00 - S-Tech Sport Springs - Set - Aggressive looks with high performance handling - Tein - Audi

Aggressive looks with high performance handling Fits Sedan models only. Average lowering of 1.9" Front & 1.1" Rear

Brand:
Tein - Corporate Logo
ES#:
2765529
Mfg#:
SKG08-AUB00
Back Ordered
$244.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Polished Bolts

ES#2678093 - 002411ECS01AKT - Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2678093
Mfg#:
002411ECS01AKT
Ships on Mar 5, 2027
ON SALE! SAVE 20%
$301.99

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

$241.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Black Bolts

ES#2951798 - 002411ECS01AKT2 - Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 19" 'Peeler' style wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2951798
Mfg#:
002411ECS01AKT2
Ships on Mar 5, 2027
ON SALE! SAVE 20%
$301.99

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

$241.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Column Mounted Boost Gauge & Pod Kit

ES#2580417 - GAU009KT - Column Mounted Boost Gauge & Pod Kit - Complete kit to install a steering wheel column pod boost gauge on your B5 chassis Audi! - New South Performance - Audi

Complete kit to install a steering wheel column pod boost gauge on your B5 chassis Audi!

Brand:
New South Performance - Corporate Logo
ES#:
2580417
Mfg#:
GAU009KT
In Stock
$120.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rennline 20mm Wheel Spacers - Black (Pair)

ES#4755586 - LS23.20MM - Rennline 20mm Wheel Spacers - Black (Pair) - Improve the look of your vehicle with spacers - Rennline - Audi Volkswagen Porsche

Improve the look of your vehicle with spacers

Brand:
Rennline - Corporate Logo
ES#:
4755586
Mfg#:
LS23.20MM
Ships in 5 Business Days
ON SALE! SAVE 18%
$147.00

This product was last offered at the strikethrough price on
10-07-2026

$120.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 3mm (Pair)

ES#3575928 - SP35100112GB - BFI Wheel Spacers - 3mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575928
Mfg#:
SP35100112GB
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Ignition Coil - Red - Set of Six

ES#4475371 - CTS-IGN-007-6KT - CTS High Performance Ignition Coil - Red - Set of Six - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4475371
Mfg#:
CTS-IGN-007-6KT
In Stock
$239.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 2mm (1 Pair)

ES#3570104 - MS100149 - Wheel Spacer Kit - 2mm (1 Pair) - 2mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

2mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570104
Mfg#:
MS100149
Ships in 3 Business Days
ON SALE! SAVE 11%
$66.99

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

$59.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Door Puddle Lighting Kit

ES#2210295 - B8S4DOOR - LED Door Puddle Lighting Kit - Transform you door puddle lighting with new LED bulbs from Ziza - ZiZa - Audi

Transform you door puddle lighting with new LED bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
2210295
Mfg#:
B8S4DOOR
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Straight Control Arm - Pair

ES#3090508 - MRSAU1912MEG - Front Lower Straight Control Arm - Pair - Upgraded lower straight control arm pair - Megan Racing - Audi

Upgraded lower straight control arm pair Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
Megan Racing - Corporate Logo
ES#:
3090508
Mfg#:
MRSAU1912MEG
Back Ordered
$238.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 6mm (1 Pair)

ES#3570108 - MS100153 - Wheel Spacer Kit - 6mm (1 Pair) - 6mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

6mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570108
Mfg#:
MS100153
Ships in 5 Business Days
ON SALE! SAVE 11%
$87.99

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

$78.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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