Porsche 356 912 Muffler to Heat Exchanger Pipe CLAMP (x2 clamps) Muffler Pipe Clamp Muffler to Heat Exchanger (set of 2) USA Heater uses 2, Euro Heater uses 4. Email us if you have Euro Brand NEW part with full 1 year warranty. Dansk part# 369 54 109, check fit below. Recently made by DANSK, not been lying around.