J tubes are used to replace your heat exchangers when shifting to a sports exhaust or for a budget friendly replacement of heat exchangers. Please note that if you do away with heat exchangers you will lose your heating capability on the inside of your car.
These are sided and are sold individually or in pairs, select from the drop down section.
This fit the following model and years
Bay window 67-79
Beetle 62-98
Karmann Ghia 62-74