Skip to content

Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI

Marsoni M251S
Sale price$1105.00
Pay 4 payments of $276.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSIStage 3 ECU TCU Performance Software for the C8 RS6 and RS7 equipped with the 4. 0TFSI EA825 (DJPB) engine and TheTurboEngineers 1020 Hybrid Turbochargers. With testing and validations completed, power outputs are increased by up to +336HP +236LB FT with Unitronic Stage 3 (93octane 98ron) Performance Software for a maximum of 936HP 830LB FT when combined with Unitronic's Stage 3 AL952 TCU Performance Software for seamless operation. These software
Easy Shipping

Quick Dispatch:

Your Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI orders ship within 1-2 business days.

Delivery Options:

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

Order Tracking:

You'll receive a tracking link by email once your Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI ships.

Need Help?
Questions about Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Unitronic Stage 3 ECU Performance Tune C8 RS6 / RS7 4.0TFSI in your area.

Get Shipping Estimates

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
4.4 ★★★★★
Based on 1114 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
This is very very very small and honestly not worth the money ! I should have returned it but it but was not able to at the time!do not waste your money on this product!!!
Lexington, US
★★★★★ 5
Color and quality
Color: Light Brown
Beautiful and wonderfully made just did not work with our color palette
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
C
Verified Purchase
Carlos Andrade
Belleville, US
★★★★★ 5
Todo según lo esperado
Color: Dark Brown
Todo como lo esperado
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
James Turner
Pawtucket, US
★★★★★ 5
Great for blue collar guys
Color: Dark Brown
Perfect size for dumping pockets, phone, knife and keys after work or when switching pants
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
G
Verified Purchase
GramRastaG
Cuba, US
★★★★★ 5
Nicely made
Color: Gray, Size: S
Great remote caddy, sturdy well made and look nice. I got two of them and they work perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
S
Verified Purchase
Susan D
New York, US
★★★★★ 5
Perfect Organizer for Nightstand!
Color: Pink, Size: S
I’m using this as an organizer for my nightstand. I love it!! It holds my glasses, asthma inhalers, pens, chap stick, hand cream and room for more. I love the look and it’s a great little organizer!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026

recommand products