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Audi A4 Performance Parts & Upgrades

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IE Street Intake Camshaft

ES#4361428 - IECVA3-1 - IE Street Intake Camshaft - IE Street Intake Camshaft for 300+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street Intake Camshaft for 300+ Horsepower Builds! Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361428
Mfg#:
IECVA3-1
Ships in 4 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded)

ES#3659524 - dpp20tk04psKT - K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

Required software to properly upgrade to a K04 turbocharger Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3659524
Mfg#:
DPP20TK04PSKT
In Stock
$699.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3130063 - ed-a4-20tfsi-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 50-71 hp and 66-138 ft-lb of torque - Eurodyne - Audi

Tune your car with just your laptop and choose gains ranging from 50-71 hp and 66-138 ft-lb of torque For vehicles up to the 2012 model year

Brand:
Eurodyne - Corporate Logo
ES#:
3130063
Mfg#:
ED-A4-20TFSI-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black

ES#4339091 - 906975 - RaceChip GTS Black - Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339091
Mfg#:
906975
Ships in 6 Business Days
$699.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sport Shocks & Struts Set

ES#3020182 - 47014 - Sport Shocks & Struts Set - Recommend for cars with lowering springs - Suspension Techniques - Audi

Recommend for cars with lowering springs

Brand:
Suspension Techniques - Corporate Logo
ES#:
3020182
Mfg#:
47014
Back Ordered
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 10mm (Pair) - Version 2

ES#1831830 - 2055571B - DR Series Wheel Spacers - 10mm (Pair) - Version 2 - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1831830
Mfg#:
2055571B
Ships in 4 Business Days
10% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
07-01-2026

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank - With Pump

ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Ships in 2 Business Days
$690.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Block Off Plate

ES#2992471 - CTSHW049 - Diverter Valve Block Off Plate - Commonly used for running aftermarket diverter and blow off valves - CTS - Audi Volkswagen

Commonly used for running aftermarket diverter and blow off valves

Brand:
CTS - Corporate Logo
ES#:
2992471
Mfg#:
CTSHW049
Ships on Nov 2, 2026
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1125 STR.T Suspension Kit

ES#3218934 - 1125 1128 - 1125 STR.T Suspension Kit - Features Eibach Sport Springs and Koni STR.T shocks for ultimate entry-level performance - Koni - Audi

Features Eibach Sport Springs and Koni STR.T shocks for ultimate entry-level performance Fits avant models only

Brand:
Koni - Corporate Logo
ES#:
3218934
Mfg#:
1125 1128
Ships in 6 Business Days
19% off MSRP

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

$850.00

This product was last offered at the strikethrough price on
09-20-2026

$687.99 USD
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4694835 - 923570 - RaceChip S - Get up to +34HP and +55lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +34HP and +55lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4694835
Mfg#:
923570
Ships in 2 Business Days
$229.00 USD
Free Shipping

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

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650211
Mfg#:
PFF3-204-29BX2
Ships in 2 Business Days
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Front Sway Bar Upgrade

ES#5375237 - IESSCK3 - IE Front Sway Bar Upgrade - Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! - Integrated Engineering - Audi

Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
This front sway bar must be paired with the matching iE Rear Sway Bar (IESSCK1)

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375237
Mfg#:
IESSCK3
Ships in 1 Business Day
$339.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs Set

ES#657 - 50396 - Sport Springs Set - Unrivaled comfort and performance - H&R - Audi

Unrivaled comfort and performance We Price Match - Give Us A Call or Chat!
For Sedan models only. Average lowering of 1.25" Front & 1.0" Rear

Brand:
H&R - Corporate Logo
ES#:
657
Mfg#:
50396
Ships in 4 Business Days
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$339.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport TrackSport Engine Mounts - Pair

ES#4846365 - 034-509-0095 - Motorsport TrackSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846365
Mfg#:
034-509-0095
Ships in 2 Business Days
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz.

ES#4906656 - 053538la03KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906656
Mfg#:
053538LA03KT
In Stock
$676.99 USD
Free Shipping
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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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