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Audi A4 Performance Tunes & Software

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ES#4339425 - 917781 - RaceChip RS - Get up to +50 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +50 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2014 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339425
Mfg#:
917781
Ships in 3 Business Days
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Software upgrade for existing APR Chip customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat 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!
For customers with existing APR software - This upgrade must be performed via our Chip & Ship method.

Brand:
APR - Corporate Logo
ES#:
2063664
Mfg#:
APRLNGK04-SWUSRV
In Stock
$369.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4464243 - 1.8T-B5-B6 - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

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#:
4464243
Mfg#:
1.8T-B5-B6
In Stock
ON SALE!
Starting at $350.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4220062 - 77-16408 - Sprint Booster V3 Power Converter - Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. - AFE - Audi

Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220062
Mfg#:
77-16408
In Stock at Vendor
20% off MSRP

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

$392.99

This product was last offered at the strikethrough price on
01-28-2026

$314.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339404 - 917510 - RaceChip S - Get up to +29 hp and +42 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +29 hp and +42 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles upto the 2013 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339404
Mfg#:
917510
Ships in 3 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339088 - 906970 - RaceChip S - Get up to +44 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +44 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339088
Mfg#:
906970
Ships in 3 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339424 - 917780 - RaceChip S - Get up to +43 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +43 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2014 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339424
Mfg#:
917780
Ships in 3 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Maximum driving pleasure thanks to more direct throttle response. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4557693
Mfg#:
999870
Ships in 3 Business Days
$269.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339014 - 902980 - RaceChip S - Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339014
Mfg#:
902980
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2792692 - B8.520TSTG1CHP-4 -  Stage I Performance Chip - Fully Loaded - Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 - APR - Audi

Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 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.
From the 2013 model year.

Brand:
APR - Corporate Logo
ES#:
2792692
Mfg#:
B8.520TSTG1CHP-4
In Stock
$499.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Does not include injectors - Gains of up to 55 HP & 100 LB-FT 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 existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4465299 - 2.8-30V-1 - Unitronic Performance Software - Stage 1 - Gain up to 16 horsepower and 17 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 16 horsepower and 17 lb-ft of torque on 91 Octane 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#:
4465299
Mfg#:
2.8-30V-1
In Stock
ON SALE! SAVE 19%
$800.00

This product was last offered at the strikethrough price on
05-21-2026

$650.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4465296 - 3.2-FSI-1 - Unitronic Performance Software - Stage 1 - Gain up to 13 horsepower and 15 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 13 horsepower and 15 lb-ft of torque on 91 Octane 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#:
4465296
Mfg#:
3.2-FSI-1
In Stock
ON SALE! SAVE 19%
$800.00

This product was last offered at the strikethrough price on
05-21-2026

$650.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4465298 - 3.0-B6-C5-1 - Unitronic Performance Software - Stage 1 - Gain up to 16 horsepower and 14 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 16 horsepower and 14 lb-ft of torque on 91 Octane 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#:
4465298
Mfg#:
3.0-B6-C5-1
In Stock
ON SALE! SAVE 19%
$800.00

This product was last offered at the strikethrough price on
05-21-2026

$650.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4877202 - 034-103-2790A - B9/B9.5 Audi A4/A5/Allroad EA888.3 2.0T Dynamic+ Performance Software Package - Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4877202
Mfg#:
034-103-2790A
Ships in 1 Business Day
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Performance Tunes & Software

If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.

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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