Audi B9 A4 Quattro 2.0T
Choose the stage that meets your power goals!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Great for when more fuel is needed in a custom fueling application
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Lifetime Replacement
Perfect fit performance Air Filter for SAI equipped cars, breathers, and more!
The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Plug & play tune with gains up to 40hp/50lb-ft.
For 2021+ models only
Lifetime Replacement
Lifetime Replacement
Direct bolt on without worry of a check-engine light
Lifetime Replacement
Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle.
Lifetime Replacement
Lifetime Replacement
Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package.
For vehicles without a MAF sensor
Lifetime Replacement
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
Lifetime Replacement
Stronger & smoother bearings, with less friction and improved oiling for your VW or Audi!
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-09-2026
Lifetime Replacement
Decrease slop and increase drivetrain rigidity and response!
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Does not fit manual transmission models
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material).
Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc
Lifetime Replacement
