I have 1 3/4" pipes from the fentons , a muffler from an old 300 mercedes , twin inlet and twin outlet , 1 3/4" twin tail pipes . It runs very quiet. I have tried water heat and exhaust heat . Pic attached of successful item .
Attachments
copper.JPG (236.19 KB, 320 downloads)
DSCF3468.JPG (265.92 KB, 313 downloads)

Last edited by Dusty; 02/09/2021 10:45 PM.