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Audi B7 S4 V8

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Audi B7 S4 V8 Performance Parts & Upgrades

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Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (345x30)

ES#2609284 - 002725ECS01AKT - Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (345x30) - Direct bolt-on replacement - 25% less weight! - ECS - Audi

Direct bolt-on replacement - 25% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2609284
Mfg#:
002725ECS01AKT
In Stock
ON SALE! SAVE 30%
$872.99

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

$609.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock Absorber - Priced Each

ES#2574594 - 80401283SPORT - Rear Sport Shock Absorber - Priced Each - Adjustable shocks designed to be used with aggressive lowering springs - Koni - Audi

Adjustable shocks designed to be used with aggressive lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
2574594
Mfg#:
80401283SPORT
In Stock at Vendor
ON SALE! SAVE 20%
$188.81

This product was last offered at the strikethrough price on
02-10-2026

$150.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacer - 20mm (1 Pair) - Black

ES#4753507 - 40555712SW - DRA Series Wheel Spacer - 20mm (1 Pair) - Black - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4753507
Mfg#:
40555712SW
Ships in 3 Business Days
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1

Average gain of 22 horsepower and 20 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
3097347
Mfg#:
42-V8-340-1
Ships in 7 Business Days
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Shift Kit

ES#3145389 - 009198ECS01KT - Ultimate Shift Kit - Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob - ECS / BFI - Audi

Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ECS / BFI
ES#:
3145389
Mfg#:
009198ECS01KT
In Stock
$550.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4465107 - 4.2-5V - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4465107
Mfg#:
4.2-5V
In Stock
Starting at $550.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount - Priced Each

ES#2951989 - 034-509-4006td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Automatic transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2951989
Mfg#:
034-509-4006TD
Back Ordered
Auto Notify
$67.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2

ES#4730402 - EBFI77-KB6-202 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730402
Mfg#:
EBFI77-KB6-202
Ships on Jul 6, 2026
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8MM Wheel Spacers - Pair

ES#4785749 - SP204GBS14 - 8MM Wheel Spacers - Pair - Wheel spacer kit with 14x35mm Ball seat bolts For OEM Wheels - Black Forest Industries - Audi Volkswagen

Wheel spacer kit with 14x35mm Ball seat bolts For OEM Wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4785749
Mfg#:
SP204GBS14
Ships on Jul 8, 2026
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Lower Control Arm Kit

ES#3183552 - 034-401-1021KT - Density Line Lower Control Arm Kit - Includes 034Motorsport Density line lower control arms & necessary hardware - Assembled By ECS - Audi

Includes 034Motorsport Density line lower control arms & necessary hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183552
Mfg#:
034-401-1021KT
In Stock
$525.64

This product was last offered at the strikethrough price on
05-04-2026

$521.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 6mm (Pair)

ES#2063852 - 002403ECS01A06Kt - ECS Wheel Spacers - 6mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2063852
Mfg#:
002403ECS01A06KT
In Stock
ON SALE!
$89.99

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

$86.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Sway Bar Bushing Set - Race - 29mm

ES#2650211 - PFF3-204-29BX2 - Performance Front Sway Bar Bushing Set - Race - 29mm - Stiffer bushings allow sway bars to work at their fullest potential - Powerflex Black Series - Audi Volkswagen

Stiffer bushings allow sway bars to work at their fullest potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650211
Mfg#:
PFF3-204-29BX2
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1

ES#4730403 - EBFI77-KB6-201 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730403
Mfg#:
EBFI77-KB6-201
Ships on Jul 6, 2026
$504.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Conical Seat Bolts

ES#2568234 - ECS10159KTWBC - ECS Wheel Spacer & Bolt Kit - 20mm With Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that require conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568234
Mfg#:
ECS10159KTWBC
Ships in 9 Business Days
ON SALE! SAVE 15%
$195.99

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

$166.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear G-Stop Stainless Steel Brake Line Kit

ES#3706488 - 30006 - Front & Rear G-Stop Stainless Steel Brake Line Kit - Set of DOT-compliant lines for an improved pedal feel - Goodridge - Audi

Set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goodridge - Corporate Logo
ES#:
3706488
Mfg#:
30006
Back Ordered
$164.99 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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