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Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU Flash
Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU Flash
Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU Flash
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Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU Flash

Marsoni M251S
Sale price$350.00
Pay 4 payments of $87.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU FlashSTOCK: Power: 335 HP 369 LB FT STAGE 1: Power Gains: 423 HP 369 LB FT STAGE 1+: Power Gains: 454 HP 481 LB FT Unitronic Stage 1+ Performance software is precisely calibrated for use with 93 AKI 98 RON fuel. For 2019+ A6 A7 3. 0TFSI models with DL382+ gearboxes, torque is roughly 50Nm less than advertised due to drivetrain limitations. Subject to ECU Box code availability. Description Performance Software Precisely Engineered for use with an upgraded
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Your Unitronic Audi A6/A7 (C8) 3.0 TFSI ECU Flash orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 711 reviews
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Product Reviews
J
Verified Purchase
Jeffery Mercer
Whiting, US
★★★★★ 5
They are of great quality!
Size: 12-13, Color: Cable Knit Coffee
Love em! After a year and there still Great and warm and Cozy too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
C
Verified Purchase
Cecil W
Dallas, US
★★★★★ 5
Wonderful sock slippers
Size: 12-13, Color: Cable Knit Navy
These are wonderful sock slippers, They are very warm and well made. After reading reviews, I decided to order one size larger (10 to 11) and they are really comfortable big. However, I'm glad I did because they a lot easier to put on and take off. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
J
Verified Purchase
Jimal
Port Orchard, US
★★★★★ 3
You get what you pay for
Size: 10-11, Color: Cable Knit Black
Comfy but cheaply made. I bought these for the price and expected them to be not the best quality but they are even less than I expected. Please also note that they run small. I got a 10-11 since I wear 11 shoe and Amazon recommended this size. I think a size larger would have been better. Not worth returning though. I’ll just wear them this winter if they last that long and get a better brand next time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
L
Verified Purchase
L R
Draper, US
★★★★★ 5
I will buy these again.
Size: 12-13, Color: Cable Knit Brown
These are great. They’re warm and comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
R
Verified Purchase
Ripped Off
Louisville, US
★★★★★ 5
Great quality!
Size: 10-11, Color: Jacquard Knit Red/Black
Just the best! Comfy! Warm! Great non-slip bottoms! Husbands second pair and will order again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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