IE Catback Exhaust System For B9 Audi A4

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. We replaced that underwhelming stock sound with a more muscular tone and none of the rasp found on downpipe-only setups. Meticulously manufactured with reinforced piping, boxed hangers, high-flow pipe design, and finely tuned mufflers for long life. Enjoy every drive with the one and only DroneTrap technology that smashes irritating drone sound waves for endless and unrestrained fun.

DRONETRAP

iE DroneTrap is our defense against the sound 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, deep, rich, and audacious call of the wild.

MAKE A STATEMENT - TWIN SLASH-CUT 4" TIPS
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.

BUILT TO ENDURE - QUALITY IS IN THE DETAILS
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.

LEADING FEATURES

• Say it loudly -Aggressive, yet refined exhaust note
• DroneTrap Technology -Proprietary no-drone resonator
• Large 90mm slash-cut exhaust tips -Motorsport look
• Large CNC mandrel bent piping -High flow design
• Easy Install -No cutting, no welding, no hassle
• Bolt-on fit -Includes hardware for stock or iE downpipe