Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission only
Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with full bolts-ons
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.
Gains up to 30 WHP/50 WTQ over stock, along with increased rev limiter, optional 2-step launch control, and more!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with automatic transmission only
Designed for the dedicated horsepower enthusiast seeing numbers of up to 719HP & 768ft-lbs of torque.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4369222
Mfg#:
18TSI-IS12-1D-UC
In Stock
ON SALE!
SAVE 12%
$1264.99
This product was last offered at the strikethrough price on 05-21-2026
Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ.
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.
Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ.
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.
Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with automatic transmission only
Average gain of 97 horsepower and 82 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. For vehicles from the 2016 model year only.
Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with full bolts-ons
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.
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!
Gains from 89 WHP/56 WTQ on Stage 1 up to 137 WHP/86 WTQ on Stage 2 E85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles up through the 2019 model year only
Add power and performance with special TCU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, and Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
Lifetime Replacement
