Porsche Heater Core, 924/928/944/968/Boxster/911/914/Panamera/Macan/Cayenne | 1970-2018 9171503 31-31-6-753-258 Air Filter Large End Diameter:

Air Filter Large End Diameter: 6 in (152 mm)

The FABSPEED DYNO-developed MAX-FLO COLD AIR intake system significantly improves power throughout the rev range and adds a sporty intake growl to the engine note

Universal-joint pressure release system

providing improved stance and handling without compromising safety

Porsche Heater Core, 924/928/944/968/Boxster/911/914/Panamera/Macan/Cayenne | 1970-2018 9171503 31-31-6-753-258 Air Filter Large End Diameter:Heater Core for 924 (1987 1988), 928 (1993), 944 (1988 1991), 968 (1994), Boxster (1999), 911 (1970 2016), 914 (1971 1972), Panamera (2016), Macan (2017 2018), Cayenne (2017 2018)