707HP – 840NM AUDI RS3 8Y | STREET LEGAL! 4 INCH TURBO BACK EXHAUST SYTSEM Drag & Track by turboandstance - January 2, 2025 We present: 707PS with TÜV (Street Legal). After months of development, these guys have completed a stable setup for you. The centerpiece is the new TC Turbos X8 – the FIRST of its kind (more on this soon). In addition to the 4-inch downpipe and exhaust system that provide a mega sound, they have their milled intake manifold, Sport Series intercooler with air ducts, charge pipe and of course our in-house developed software that is individually tuned to each vehicle on the test bench. Leave a comment