Audi 4M SQ7 Quattro 4.0T
Choose the stage that meets your power goals!
Increase the sound of your ride without needing to cut your OE exhaust system
Featuring dual cone filters and carbon fiber shroud for superior air flow and aesthetics.
Lifetime Replacement
Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.
Lifetime Replacement
Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug!
For use with custom plumbing and ECS universal mounting bracket kit
This product was last offered at the strikethrough price on
05-02-2026
Lifetime Replacement
Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.
Lifetime Replacement
Reduces coolant temperatures by as much as 30*F
Features 100% TIG Welded Formula-1 Performance Grade Cores by PWR and true Plug-and-Play “Drop-in Fit” Installation.
Utilizing all factory mounting points, the installation is straightforward with a “drop-in fit” design.
This product was last offered at the strikethrough price on
08-17-2026
More features, options and performance than any other gate.
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
08-22-2026
Lifetime Replacement
Max gains of +191 AWHP and +163 AWFT-LBS and a Limited Powertrain Warranty
Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Lifetime Replacement
Great for when more fuel is needed in a custom fueling application
We Price Match - Give Us A Call or Chat!
Lifetime Replacement
Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings
Lifetime Replacement
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Swappable swirl generators for 250/500/1000cc configurations!
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
08-22-2026
Lifetime Replacement
Engine mounted, stainless steel braided line, 4AN fittings
Lifetime Replacement
