Quick view ISR ISR Performance GT Single Exhaust - Nissan Skyline R32 GTS-T ISR 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. What’s in the box: 1x 3'' Mid pipe 1x 3'' Muffler section... CHF443.48