Unitronic Performance Software - Flashed @ ECS
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
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Unitronic Performance Software - Flashed @ ECS
Starting at: $400.00
SALE:
400.00
Starting at: $400.00
WAS:
$550.00
on 06-22-2026
This product was last offered at the strikethrough price on
06-22-2026
Sale
Save 27%
This product is backed by our
Lifetime Replacement Program! Read more here
Lifetime Replacement Program! Read more here
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Product Details
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
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 7000
- Cold Weather Start and Warm up Improved
- Lower End Hesitation (Lag) Removed
- Optimized for an Upgraded (DV) Diverter Valve or (BOV) Blow Off Valve
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+ Adds:
- Optimized for K04 Turbos
Stage 2 Requires:
- Turbo Back Exhaust System
- Cold Air Intake / Short Ram Recommended
- Upgraded (DV) Diverter Valve Recommended
- Upgraded Intercooler Recommended
Stage 2+ Requires:
- RS4-K04's
- OEM Fuel Injectors
- OEM Maf
- Turbo Back Exhaust System
- Cold Air Intake / Short Ram
- Upgraded (DV) Diverter Valve Recommended
- Upgraded Intercoolers Recommended
*This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.
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 | B5 S4 | All | 2.7T | Use vehicle selector to confirm fitment |
| Audi | C5 A6 | Quattro | 2.7T | Use vehicle selector to confirm fitment |
This Product Is Covered By Our Lifetime Replacement Program
Some PDK components are covered by our Lifetime Replacement Program
This product is not eligible for Lifetime Replacement
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