Cars requiring supplemental exhaust noise reduction
· 718 Boxster Spyder (4.0L)
• Cayman GTS 4.0L / GT4 (2016-2019) RS (all years)
• 991 GT3 / RS / CUP
• 992 GT3/ RS / CUP
• 991 GT2 RS
• Carrera GT
• 997 GT3 / RS
