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Audi A4 Performance Parts & Upgrades

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RaceChip RS With App Control

ES#4339090 - 906972 - RaceChip RS With App Control - Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For pre-facelift vehicles with CYMC engine Code

Brand:
Race Chip - Corporate Logo
ES#:
4339090
Mfg#:
906972
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS With App Control

ES#4339426 - 917782 - RaceChip RS With App Control - Get up to +50 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +50 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For vehicles from the 2014 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339426
Mfg#:
917782
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS With App Control

ES#4339406 - 917512 - RaceChip RS With App Control - Get up to +36 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +36 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For vehicles up through the 2013 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339406
Mfg#:
917512
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1

Average gain of 16 horsepower and 17 lb-ft of torque

Brand:
Tunezilla - Corporate Logo
ES#:
3097356
Mfg#:
FSI-VR6-255-1
Ships in 7 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1.5

Average gain of 45 horsepower and 99 lb-ft of torque on 93 Octane @ 20 PSI For vehicles with ATW & AWM engine codes only

Brand:
Tunezilla - Corporate Logo
ES#:
3097326
Mfg#:
18T-20V-170-1.5
Ships in 7 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1.5

Average gain of 51 horsepower and 65 lb-ft of torque on 93 Octane @ 18 PSI For vehicles with AEB engine code from the 2000 model year only

Brand:
Tunezilla - Corporate Logo
ES#:
3097322
Mfg#:
18T-20V-150-1.5
Ships in 7 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Wheel Spacer Flush Fit Kit - Polished Bolts

ES#3103499 - 019204ecs01KT - 18" Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3103499
Mfg#:
019204ECS01KT
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$263.99

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

$224.39 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 *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

034Motorsport High-Flow Turbo Inlet Hose

ES#3552813 - 034-145-A062 - 034Motorsport High-Flow Turbo Inlet Hose - Smooths the intake tract & provides unimpeded airflow - 034Motorsport - Audi

Smooths the intake tract & provides unimpeded airflow

Brand:
034Motorsport - Corporate Logo
ES#:
3552813
Mfg#:
034-145-A062
Ships in 2 Business Days
$89.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit

ES#3183382 - 034-509-0007KT3 - Performance Engine Mount Kit - Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware - Assembled By ECS - Audi

Includes 034Motorsport Street Density mounts, ECS polyurethane snub mount, and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with electronically monitored engine mounts.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183382
Mfg#:
034-509-0007KT3
In Stock
ON SALE!
$458.99

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

$440.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 8mm (1 Pair)

ES#3570120 - MS100165 - Wheel Spacer Kit - 8mm (1 Pair) - 8mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

8mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3570120
Mfg#:
MS100165
Ships in 2 Business Days
ON SALE! SAVE 11%
$97.99

This product was last offered at the strikethrough price on
07-31-2026

$87.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Drive Train Stabilizer DTS - Poly Mount

ES#4043298 - 2210-11010 - AWE Drive Train Stabilizer DTS - Poly Mount - CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement. - AWE - Audi Volkswagen

CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement.

Brand:
AWE - Corporate Logo
ES#:
4043298
Mfg#:
2210-11010
Ships in 4 Business Days
$435.00 USD
This product is lifetime replacement eligible Lifetime Replacement

AWE Drive Train Stabilizer DTS - Rubber Mount

ES#4043299 - 2210-11012 - AWE Drive Train Stabilizer DTS - Rubber Mount - CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement. - AWE - Audi Volkswagen

CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement.

Brand:
AWE - Corporate Logo
ES#:
4043299
Mfg#:
2210-11012
Ships in 4 Business Days
$435.00 USD
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsport 12.5mm Wheel Spacer - Pair

ES#4751518 - 034-604-7009 - 034 Motorsport 12.5mm Wheel Spacer - Pair - 12.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi Volkswagen

12.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns.

Brand:
034Motorsport - Corporate Logo
ES#:
4751518
Mfg#:
034-604-7009
Ships in 3 Business Days
$108.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Set - With ECS Poly. Bushings

ES#3411549 - 019210ECS01-02 - Front Upper Control Arm Set - With ECS Poly. Bushings - Pre-installed ECS Poly Bushings help reduce suspension deflection and improve durability while easing install - Assembled By ECS - Audi Volkswagen

Pre-installed ECS Poly Bushings help reduce suspension deflection and improve durability while easing install 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3411549
Mfg#:
019210ECS01-02
In Stock
ON SALE! SAVE 18%
$174.99

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

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647523 - ST-AEVI-1106SKT - Supertech Inconel Exhaust Valve Kit - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries For Our 25th Anniversary Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647523
Mfg#:
ST-AEVI-1106SKT
Back Ordered
$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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