Sporty cat-back / GPF-back exhaust system Non-resonated by Milltek Sport dedicated to Audi SQ7/SQ8 4.0 TFSI.
The entire system is made of stainless steel.
The system is compatible with the stock downpipe and GPF filter.
All versions have end mufflers equipped with valves controlled from the onboard computer.
The middle muffler has an additional valve.