Billy Boat Performance Exhaust complete cat-back exhaust for the MKVII GTI includes their newest technology called Purge Resonance Technology, or PRT. This allows a mild tone during normal cruising speeds but also a forceful note when driving aggressively. The unique purge chambers offers straight through flow while canceling out unwanted interior drone.

System Features:

• CNC Mandrel Bent T304 Stainless
• Dual PRT mufflers with 3.5" round stainless double wall tips
• Complete bolt on with no modification