Border III Series Cat-Back Exhaust System Exhaust systems have been 5Zigen's flagship products, well-known for quality, style and performance. 5Zigen's exhaust systems are used on Japanese professional race cars and have proven to provide outstanding performance. These exhaust systems are also well-known for producing a deep and distinctive note, enhancing drivers' racing spirit. All exhaust systems are made in Japan with top quality construction and materials. Large Aggressive Rear Tips Minimal Bends for Optimal Exhaust Flow Powder Coated Steel Piping Polished Stainless Steel Muffler Perfect Factory-Like Fit HP & Torque: 10-12 HP/10 ft lbs Torque Installation: Hangs from the same hanger locations as the factory exhaust and comes complete with all necessary hardware. Since these products were designed and manufactured for Japanese domestic vehicles only, some modification by the user is required to install them on US spec vehicles.