Gains from 79 AWHP/58 AWTQ on 91 octane up to 103 AWHP/76 AWTQ on 100 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. Vehicle must be brought to ECS Tuning for programming - *Fully loaded multi-program software available for pre-facelift models only (up to 2012 model year) *
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. 255hp/289lb-ft (93 octane). This upgrade can only be performed with the car present at our facility.
Gains up to 135 HP/51 Torque at the crank 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. Vehicle must be brought to ECS Tuning for programming
Gains from 131 AWHP/106 AWTQ on 91 octane up to 161 AWHP/130 AWTQ on 100 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.
APR Supercharger Pulley Software upgrade for customers without existing APR Stage I software
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 use with the APR Supercharger Pulley Upgrades - This upgrade must be performed at ECS Tuning's facili
Average gain of 40 HP & 75 LB-FT torque on 93 octane program!
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
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.
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
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.
Get up to +41HP and +68lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4694836
Mfg#:
923572
Ships in 3 Business Days
ON SALE!
SAVE 10%
$408.00
This product was last offered at the strikethrough price on 07-01-2026
Average gain of 62 horsepower and 106 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. Compatible with 2017-2020 model years only, and is incompatible with the new 2021+ ECU variations
Designed for use with Audi’s high output RS6/7 4.0 TFSI turbochargers - When paired with required hardware, this upgrade offers 634 HP and 671 FT-LBS of torque on 93 octane fuel and 707 HP and 714 FT-LBS of torque with race 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! *Direct-Port flashing Only - This upgrade must be performed at ECS Tuning's facility in Ohio. - Please se
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Get up to +93 hp and +99 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 Performance models only.
Brand:
ES#:
4338984
Mfg#:
901845
Ships in 3 Business Days
ON SALE!
SAVE 10%
$799.00
This product was last offered at the strikethrough price on 07-01-2026
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.
Lifetime Replacement
