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Audi A3 Performance Engine Parts

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IS38 Software Upgrade - For New Customers

ES#2996319 - STGIS38 - IS38 Software Upgrade - For New Customers - See up to 386 horsepower on 93 octane fuel! - APR - Audi Volkswagen

See up to 386 horsepower on 93 octane fuel! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For new APR customers with Golf R/S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.

Brand:
APR - Corporate Logo
ES#:
2996319
Mfg#:
STGIS38
In Stock
$749.99 USD
Free Shipping

Stage I Performance Chip - 1 Program

ES#252756 - 20TCCTASTG1CHP-1 - Stage I Performance Chip - 1 Program - APR's ECU Upgrade is the best power per dollar modification for your engine out there - APR - Audi

APR's ECU Upgrade is the best power per dollar modification for your engine out there Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
254hp/297lb-ft (93 octane) --- 250HP/294TQ (91 Octane). This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
252756
Mfg#:
20TCCTASTG1CHP-1
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Software Upgrade - With Program Switching (Fully Loaded)

Average gain of 71 horsepower and 101 lb-ft of torque on 93 octane! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles with TSI engines only. This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
1899519
Mfg#:
20TMK6STG1CHP-4
In Stock
$749.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped)

For customers that already have APR software on their car and are upgrading to a K04 Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509816
Mfg#:
PA100008
In Stock
$249.99 USD
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black With App Control

ES#4339268 - 913096 - RaceChip GTS Black With App Control - Get up to +43 hp and +63 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +43 hp and +63 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339268
Mfg#:
913096
Ships in 3 Business Days
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

European S3 Intercooler

ES#3492184 - 1K0145803P - European S3 Intercooler - All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% - Nissens - Audi Volkswagen

All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This intercooler can be installed with trimming your stock boost hose ends

Brand:
Nissens - Corporate Logo
ES#:
3492184
Mfg#:
1K0145803P
Ships in 6 Business Days
$745.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 - With FlashZilla V3

ES#3098263 - cr-tdi-g-002KT - Stage 2 - With FlashZilla V3 - Average gain of 30 horsepower and 70 lb-ft of torque - Tunezilla - Audi Volkswagen

Average gain of 30 horsepower and 70 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vehicles equipped with DSG transmission require a DSG tune.

Brand:
Tunezilla - Corporate Logo
ES#:
3098263
Mfg#:
CR-TDI-G-002KT
Ships in 7 Business Days
$739.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PRORAM Over Size Performance Intake Kit

ES#4667250 - PRK-101-DD - PRORAM Over Size Performance Intake Kit - Improved air flow and sound. - Ramair - Audi Volkswagen

Improved air flow and sound. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engine only

Brand:
Ramair - Corporate Logo
ES#:
4667250
Mfg#:
PRK-101-DD
Ships in 2 Business Days
$395.00

This product was last offered at the strikethrough price on
02-03-2026

$365.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (Direct Injection) - Nylon Line

ES#3557788 - SN0-320 - Stage 3 Boost Cooler (Direct Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle - SnowPerformance - Audi Volkswagen

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3557788
Mfg#:
SN0-320
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

MQB Complete Mount Kit with Install Tool

ES#4500030 - RV581M500103 - MQB Complete Mount Kit with Install Tool - Designed to be the optimal balance between performance and comfort. - REVO - Audi Volkswagen

Designed to be the optimal balance between performance and comfort. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4500030
Mfg#:
RV581M500103
Back Ordered
Auto Notify
$729.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HPA Performance Downpipe - With 100 Cell High-Flow Converter

ES#3247395 - HVA-251-STREET - HPA Performance Downpipe - With 100 Cell High-Flow Converter - Maximize your engine's performance! - HPA Motorsports - Audi Volkswagen

Maximize your engine's performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247395
Mfg#:
HVA-251-STREET
Ships on Jul 13, 2026
$749.00

This product was last offered at the strikethrough price on
02-08-2026

$729.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HPA Performance Downpipe - With 100 Cell High-Flow Converter

ES#3247394 - HVA-250-STREET - HPA Performance Downpipe - With 100 Cell High-Flow Converter - Maximize your engine's performance! - HPA Motorsports - Audi Volkswagen

Maximize your engine's performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247394
Mfg#:
HVA-250-STREET
Special Order: No Guaranteed ETA
$749.00

This product was last offered at the strikethrough price on
02-08-2026

$729.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HI-FLO Turbo Discharge Conversion - Black

ES#4673564 - 48.02.49 - HI-FLO Turbo Discharge Conversion - Black - Remove serious restriction from the discharge side of the turbocharger - Neuspeed - Audi Volkswagen

Remove serious restriction from the discharge side of the turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Neuspeed - Corporate Logo
ES#:
4673564
Mfg#:
48.02.49
EO#:
D-236-21
Ships in 7 Business Days
$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dogbone Mount Hardware Kit - MK5/MK6 Volkswagen & 8J/8P Audi

ES#4880735 - 034-509-Y018 - Dogbone Mount Hardware Kit - MK5/MK6 Volkswagen & 8J/8P Audi - Install your new parts with new hardware - 034Motorsport - Audi Volkswagen

Install your new parts with new hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880735
Mfg#:
034-509-Y018
Ships in 2 Business Days
$20.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMS DDP5800 Water/Methanol Injection Pump

ES#4714532 - BMSDDP5800 - BMS DDP5800 Water/Methanol Injection Pump - 200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714532
Mfg#:
BMSDDP5800
Ships in 1 Business Day
Starting at $120.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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