This 2013 Audi TT RS, one of 766 US models and 31 in Monza Silver, was purchased new by the seller and extensively modified over 10 years. It features a comprehensive 034Motorsport package including intake, downpipe, exhaust, ECU tune, brake kit, and rear sway bar, alongside a Wagner Evo2 intercooler, GiroDisc front rotors, 19" BBS wheels, and MSS suspension. The interior boasts custom black leather upholstery with diamond-quilt inserts and an iPad Mini-based infotainment system, with the car showing 66k miles and offered with a clean California title.