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Audi S4 Performance Parts & Upgrades

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Track Density Line Transmission Mount - Priced Each

ES#2951986 - 034-509-4046td - 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
Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951986
Mfg#:
034-509-4046TD
Back Ordered
Auto Notify
$73.99

This product was last offered at the strikethrough price on
01-08-2026

$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Intake Air Duct

ES#3988147 - 034-108-1024 - X34 Carbon Fiber Intake Air Duct - The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System - 034Motorsport - Audi

The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*

Brand:
034Motorsport - Corporate Logo
ES#:
3988147
Mfg#:
034-108-1024
Ships in 2 Business Days
$377.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear GD Sport Rotors - Pair (330x22)

ES#2621910 - GD1846 - Rear GD Sport Rotors - Pair (330x22) - Upgrade to a slotted/dimpled rotor for improved braking - EBC - Audi

Upgrade to a slotted/dimpled rotor for improved braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
2621910
Mfg#:
GD1846
In Stock at Vendor
5% off MSRP

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

$396.99

This product was last offered at the strikethrough price on
06-20-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Springs With Koni Shocks & Struts

ES#2593893 - 50314KT - Cup Kit - H&R Springs With Koni Shocks & Struts - Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R - Assembled By ECS - Audi

Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Sedan model only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593893
Mfg#:
50314KT
In Stock at Vendor
$1130.99

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

$1128.99 USD
This product is lifetime replacement eligible Lifetime Replacement

2-Piece Floating Rear Brake Rotor Upgrade - Red Carriers (370x22)

ES#5374284 - 034-301-2015-RED - 2-Piece Floating Rear Brake Rotor Upgrade - Red Carriers (370x22) - Reduces rotational weight by 1.6lbs on each corner and increases rotor diameter from 330mm to 370mm! - 034Motorsport - Audi

Reduces rotational weight by 1.6lbs on each corner and increases rotor diameter from 330mm to 370mm! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
5374284
Mfg#:
034-301-2015-RED
Ships in 2 Business Days
$1128.00 USD
Free Shipping

Carbon Fiber Turbo Inlet

ES#4758913 - UH044-INA - Carbon Fiber Turbo Inlet - Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. - Unitronic - Audi

Upgrade your Audi S4 or S5 with the Carbon Fiber Turbo Inlet for unparalleled performance and airflow efficiency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Tune is recommend for the best performance

Brand:
Unitronic - Corporate Logo
ES#:
4758913
Mfg#:
UH044-INA
Ships on Jul 8, 2026
$375.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5mm Wheel Spacers - Black (Pair)

ES#3476423 - 021460TMS02-04 - 5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476423
Mfg#:
021460TMS02-04
In Stock
ON SALE! SAVE 25%
$149.99

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

$112.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 15mm (Pair)

ES#3575936 - SP90CGB - BFI Wheel Spacers - 15mm (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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575936
Mfg#:
SP90CGB
In Stock
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit

ES#3082216 - CTS-HW-0133 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For models with press-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately a

Brand:
CTS - Corporate Logo
ES#:
3082216
Mfg#:
CTS-HW-0133
Back Ordered
Auto Notify
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each

ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racingline Billet Body Brace

ES#3570410 - VWR814100 - Racingline Billet Body Brace - Sharpen up your B9 Audi's handling response and steering feel! - Racingline - Audi

Sharpen up your B9 Audi's handling response and steering feel! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570410
Mfg#:
VWR814100
Ships in 2 Business Days
$558.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combination Parking Brake Caliper Rear Brake Kit

Features 12.19" slotted rotors & red calipers - Provides balanced brake performance and style to compliment front big brake kits! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wilwood - Corporate Logo
ES#:
3701667
Mfg#:
140-14591-R
Ships in 10 Business Days
$1114.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Jackal Motorsports Tune - Includes Jackal Tuning Cable

ES#4907819 - B6-1 - Jackal Motorsports Tune - Includes Jackal Tuning Cable - Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85 - Jackal Motorsports - Audi

Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907819
Mfg#:
B6-1
Ships in 1 day
$555.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts

ES#2603078 - 002411ECS02AKT4 - Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
2603078
Mfg#:
002411ECS02AKT4
In Stock
ON SALE! SAVE 25%
$184.99

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

$138.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Priced Each

ES#2561116 - 8K0411317D - Front Sway Bar End Link - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2561116
Mfg#:
8K0411317D
In Stock
$22.43

This product was last offered at the strikethrough price on
05-26-2026

$18.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace

ES#3970173 - 034-603-0010 - Billet Aluminum Front Strut Brace - Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality - 034Motorsport - Audi

Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3970173
Mfg#:
034-603-0010
In Stock
$554.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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