The Milltek Sport Primary Cat-Back range replaces all OEM parts of the exhaust system after the primary catalyst assemblies and removes the secondary catalysts. This creates a freer flowing system with improved sound and throttle response. All performance exhaust systems are designed for a wide range of vehicles. Products are made in the UK and distributed to more than 90 countries worldwide. - Replaces all OEM exhaust parts after the primary catalyst assemblies - Removes secondary catalysts for improved flow - Designed for enhanced sound and throttle response Specifications: - Pipe Diameter: 90.00 - Race Product: Yes - EMarked: No Kit comes with: - Polished GT (round) 127 Exhaust Tip - MSNI109 - LH Front Silencer - MSNI111 - RH Front Silencer - MSNI112 - Y Pipe - MSNI113 - Connecting Pipe - MSNI114 - Rear Silencer - MSNI115 Vehicle Compatibility: - 2009-2015 Nissan GT-R R35