Login
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
 Next

IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5

Marsoni M251S
Sale price$449.50
Pay 4 payments of $112.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5LEADING FEATURES Innovative mobile tuning for an easy install Thrilling power and acceleration gains 91, 93, & E85 optimized fuel maps Includes TrueFlex easy ethanol programming Stage 1 for stock hardware or basic bolt ons Stage 2 for aftermarket downpipe support Stage 3 for hybrid turbo upgrades Available with matching transmission tunes Apple & Android phones supported Take control of your Audi S4, S5, or SQ5 by unlocking thrilling power and
Easy Shipping

Quick Dispatch:

Your IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5 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 IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5 ships.

Need Help?
Questions about IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5, 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 IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5 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
4.6 ★★★★★
Based on 462 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
Lou Christo
Draper, US
★★★★★ 5
A bargain, as good as OEM
A fraction of the price. Acura wanted 159 to replace filters, I did it in ten minutes for 25.00
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2025
N
Verified Purchase
Nick
Birmingham, US
★★★★★ 5
It's an air filter
It's an air filter. Fit as it was supposed to and it's cheaper than letting the dealership change it out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 25, 2024
M
Verified Purchase
mark
Lexington, US
★★★★★ 5
Air Filter
looks as good as stock filter---@ 1/2 price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 8, 2024
L
Verified Purchase
LJ
Alexandria, US
★★★★★ 5
Perfect fit
Pserfect fit and function
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2023
D
Verified Purchase
Duong Minh
Lowell, US
★★★★★ 3
Good
Buy it to replace my car old filter. So far so good. Cheaper than buy at store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2024

recommand products

Emerald & Diamond Eternity Band
Emerald & Diamond Eternity Band
759.00
 Grace
Grace
980.00
 Mona
Mona
338.50
 Chiffon
Chiffon
890.00
 Tulip Swivel Chair in Camel and Black
Tulip Swivel Chair in Camel and Black
137.50