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Given the nature of the Audi A4 4-cylinder 2.0T, iE engineers had to do a little bit more “voice coaching” to bring out all the roars and rumbles in all the right places. It wasn’t an easy ask, but the end result is a thing of beauty. They replaced that underwhelming stock sound with a more muscular tone. DroneTrap technology smashes irritating drone sound waves so you can launch more of your A4’s spirit animal, extra spicy edition, into the world. This catback also features reinforced piping, boxed hangers, high-flow pipe design, and finely tuned mufflers for long life and unrestrained fun.
LEADING FEATURES
DroneTrap is iE's defense against the waves that kill your “exhaust note listening experience.” This proprietary technology captures and mutes soundwaves that cause annoying drones, leaving only the good stuff you’re into—a full, rich, audacious call of the wild.
Lift your A4's style to new heights and look good doing it with these large 90mm exhaust tips. The slash-cut tips feature a motorsport-inspired brushed finish with adjustable depth, great for dialing your aggressive looks up or down.
Delivering head-turning exhaust sound is just one part iE's catback game. There’s plenty left to say in the design and engineering department too. This exhaust is made from corrosion-resistant, mandrel-bent T304L stainless steel with strong, multi-point, boxed exhaust hangers for long life and reinforced with bridged sections to prevent rattles. Always sound your best with the leak-free, OE-quality exhaust clamps.
3D scanning and cutting-edge software give iE engineers a high-resolution digital model of the Audi B9 A4 chassis. This data allows them to maximize exhaust flow and optimize every inch of available space for a perfect fit with no rattles or rubbing.
No permanent mods or hassle to deal with on this one.
Installing your new iE Catback Exhaust kit is straightforward, hassle-free, and mod-free. You’ll need a few basic tools, and an auto lift will make your life a lot easier—well, your installation, anyway.
AVERAGE INSTALLATION TIME: 1-2 HOURS
