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Unitronic Performance Software - Flashed @ ECS

Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Unitronic
Unitronic
ES#:
4381800
Mfg#:
20TDIMQB
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Unitronic Performance Software - Flashed @ ECS

Starting at: $450.00
SALE: 450.00
Starting at: $450.00
WAS: $600.00 on 06-22-2026

This product was last offered at the strikethrough price on
06-22-2026


Sale Save 25%
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This product is lifetime replacement eligible
This product is backed by our
Lifetime Replacement Program! Read more here
Availability:
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Est. Ship Date:
in 1 Business Day
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Unitronic Performance Software - Stage 1 - With DSG Software
Gain up to 28 horsepower and 48 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
4381797 20TDIMQB-1D
Availability:
In Stock
Est. Ship Date:
in 1 Business Day
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Sale
SAVE 14% $1050.00

This product was last offered at the strikethrough price on
06-22-2026

900.00

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Product Details

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Performance Software Precisely Engineered to Run on a Completely Stock Car.

Installation

Flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes).

Features:

  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
Audi A3 8V FWD TDI Use vehicle selector to confirm fitment
Volkswagen Golf VII Hatchback TDI Use vehicle selector to confirm fitment
Volkswagen Golf VII Sportwagen TDI Use vehicle selector to confirm fitment
Volkswagen Jetta VI Sedan Facelift TDI Use vehicle selector to confirm fitment
Volkswagen Passat B7 All TDI For vehicles from the 2015 model year only.
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.
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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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