IE Catback Exhaust System For Audi C8 RS6 & RS7

Details LEADING FEATURES Addictive exhaust sound -louder, deeper, and fully enhanced Easy sound control -retains same as stock valve operation DroneTrap Technology -IE's proprietary no-drone resonator design True catback design -replaces full exhaust from downpipes back Large 3" piping -high-flow design to support any power goal Bolt-on direct fit -no cutting, no welding, no hassle Quality materials -mandrel bent TIG-welded T304L stainless steel Reliable engineering -leak-free, stamped, & multi-point reinforced 50 states legal -no check engine light & emissions compliant   DRONETRAP EQUIPPED IE's advanced DroneTrap technology captures the pulse waves responsible for the V8 engine's exhaust note and draws them into dual mathematically tuned resonators. The internal ports are engineered to resonate these waves against each other in a process that selectively cancels out those responsible for annoying drones. The remaining waves produce the deepened and enriched exhaust acousti