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Unitronic Performance Software - With UniCONNECT+ Cable

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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Unitronic
Unitronic
ES#:
4461163
Mfg#:
20FSI-R-UC
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Unitronic Performance Software - With UniCONNECT+ Cable

Starting at: $564.99
SALE: 564.99
Starting at: $564.99
WAS: $714.99 on 06-22-2026

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


Sale Save 21%
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This product is lifetime replacement eligible
This product is backed by our
Lifetime Replacement Program! Read more here
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Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable
Gain up to 49 horsepower and 67 lb-ft of torque on 93 Octane
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!
4461158 20FSI-RTTS-1+-UC
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 20% $764.99

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

614.99
Unitronic Performance Software - Stage 2 - With UniCONNECT+ Cable
Gain up to 79 horsepower and 97 lb-ft of torque on 93 Octane
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!
4461159 20FSI-RTTS-2-UC
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 20% $764.99

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

614.99
Unitronic Performance Software - Stage 2 HPFP - With UniCONNECT+ Cable
Gain up to 89 horsepower and 107 lb-ft of torque on 93 Octane
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!
4461160 20FSI-RTTS-2H-UC
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 18% $839.99

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

689.99
Unitronic Performance Software - Stage 3 BT - With UniCONNECT+ Cable
Gain up to 230 horsepower depending on modifications
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!
4461161 20FSI-RTTS-3-UC
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 13% $1114.99

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

964.99

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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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

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
  • Speed Governor Removed
  • RPM Limiter Increased to 7100
  • Lower End Hesitation (Lag) Removed

Stage 1+ Adds:

  • Ignition Timing Precisely Calibrated for Higher Octane Fuel

Stage 2 Adds:

  • Precisely Calibrated for an Upgraded Exhaust System (Go Green - Use a Catalytic Converter)
  • Optimized for a High Flow Catalytic Converter

Stage 2 HPFP Adds:

  • Optimized for a Upgraded High Pressure Fuel Pump

Required Hardware For Stage 2:

  • Upgraded Downpipe

Required Hardware For Stage 2 HPFP:

  • Upgraded High Pressure Fuel Pump
  • Upgraded Downpipe
  • Cold Air Intake / Short Ram

Required Hardware For Stage 3 BT:

  • RS4 Injectors
  • Upgraded High Pressure Fuel Pump
  • Upgraded Downpipe
  • Upgraded Intercooler
  • Electronic Boost Controller (EBC)

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
Volkswagen Golf R All 2.0T Use vehicle selector to confirm fitment
*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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