ECS Tuning really hit the bullseye with the ECS Tuning Audi B9 S4 3.0T Valved Exhaust System. Crafted from T304 stainless steel and TIG welded, this non-resonated, full cat-back exhaust system delivered the race-inspired sounds I've been craving.
One of the standout features of this system is its ability to retain the active exhaust valves, allowing for factory sound management. Whether I'm cruising in Comfort mode or unleashing the beast in Dynamic sport mode, this exhaust strikes the balance between comfort and exhilaration.
If you're a fan of crisp pops and bangs, particularly when running E85 with a hybrid turbo, prepare to be blown away by the intoxicating crackles that resonate from the tailpipes. It's a pure symphony of automotive bliss that will leave you grinning from ear to ear. By combining the ECS Tuning Valved Exhaust with the 034 Racing Catalyst and The Turbo Engineers TTE710 turbo elevates the already impressive factory sounds to new heights, making every drive an unforgettable journey.