Is it a no no to use sealant on the flange between header and tailpipe?? If its acceptable, RTV Red??
Thanks... new to the forum but have been stalking for a while!!!

rope seal or compression thin gasket ??

Compression Thin gasket. V-clamp and T Bolt

Ive never used it on the v clamp

Re-assembing and 1 flange marries up perfect and 1 is a little off. T bolt was a bit rusty on that side so Im assuming it leaked alittle. Prior owner definitely used something on it from the looks of the gasket. Whats lesser of 2 evils, doubling gasket or Hi Temp red??

the tails have to be aligned perfectly inorder not to have a leak......Id use sealant and not 2 gaskests

Thanks Speedy