Gains from 89 HP/123 TQ on 93 octane up to 122 HP/173 TQ on 100 octane
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
Brand:
ES#:
2918076
Mfg#:
40TD4STG1KT
Ships in 1-2 days
ON SALE!
SAVE 20%
$1544.00
This product was last offered at the strikethrough price on 09-28-2026
Max gains of +191-268 AWHP and +163-262 AWFT-LBS depending on octane
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4418358
Mfg#:
ECU-40T-EA825-SQ
In Stock
ON SALE!
SAVE 20%
$1528.99
This product was last offered at the strikethrough price on 09-28-2026
Higher peak numbers of 555 HP/609 FT-LBS on 91 octane - Up to 597 HP/668 FT-LBS on 100 octane race fuel
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be present at ECS Tuning in Wadsworth, OH
Brand:
ES#:
2622641
Mfg#:
40TSTG1KT
In Stock
ON SALE!
SAVE 20%
$1499.99
This product was last offered at the strikethrough price on 09-28-2026
Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. For vehicles up through the 2023 model year only.
Brand:
ES#:
4405005
Mfg#:
ECU-40T-EA825-RS
In Stock
ON SALE!
SAVE 20%
$1499.99
This product was last offered at the strikethrough price on 09-28-2026
Gains up to 95 HP & 42 TQ on 93 octane - *Revision 2 updated software
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
Brand:
ES#:
2770468
Mfg#:
SQ530TSTG1CHPKT
Ships in 2 Business Days
ON SALE!
SAVE 20%
$1464.99
This product was last offered at the strikethrough price on 09-28-2026
Unleash up to 713HP/679TQ by transforming your Audi EA839 2.9TT with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
2X Entries Into Our F80 M3 Sweepstakes
Choose the stage that meets your power goals!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
All the performance ECU/TCU 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.
Lifetime Replacement
