ISR Performance GT Single Exhaust - Nissan R32 Skyline GTS-T Sensor Disk Do I need to drain

Do I need to drain the cooling system to install this

ve purchased a genuine

Husqvarna FC 350 (2019)

Direct replacement for wear

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ISR Performance GT Single Exhaust - Nissan R32 Skyline GTS-T Sensor Disk Do I need to drainISR Performance GT Single Exhaust Nissan R32 Skyline GTS T ISR Performance GT Single is a full 3" brushed stainless steel Exhaust with a 4. 5" tip and removable silencer. Whats in the box: 1x 3'' Mid pipe 1x 3'' Muffler section with 4. 5" tip 2x 2 Bolt 3" Exhaust gasket 4x Bolts 4x Nuts 1x removable silencer ** ** Legal only for use in competition vehicles which may never be registered, licensed, and or used on public streets or highways; and also for