1986-1987 Turbo Regal - K&N 9" CONE AIR FILTER This is one of the easiest and best improvements you can make to get more air to your engine. You can use either the 8" KPP #1546 or 9" K&N filter KPP #1547, since either will fit depending on which mass air pipe you use. NOTE - Neither filter will work with your stock GM air duct system. You need to change to a new mass air flow pipe to the turbo. The open end has a 3" diameter opening. 1547- 1986-1987 Turbo Regal - K&N 9" Cone Air Filter
1986-1987 Turbo Regal - K&N 9" CONE AIR FILTER This is one of the easiest and best improvements you can make to get more air to your engine. You can use either the 8" KPP #1546 or 9" K&N filter KPP #1547, since either will fit depending on which mass air pipe you use. NOTE - Neither filter will work with your stock GM air duct system. You need to change to a new mass air flow pipe to the turbo. The open end has a 3" diameter opening. 1547- 1986-1987 Turbo Regal - K&N 9" Cone Air Filter
