Anyone recognise these?... Can't see them doing much warming.... Sent from my SM-G930F using Tapatalk
Slap some high temperature copper loaded silicone round in gaps away from the exhaust port end.. you will be surprised..I use it to stop mine rattling where the outer skins fret and rust.. Burns off near the cylinder head but remains at the cooler end of the HX.
Got replacements ready to go on...just never seen any that shape before... Sent from my SM-G930F using Tapatalk
Yep, had a pair on my old 411. They are just warm air boxes rather than heat exchangers, as type 4 cars had petrol heaters