1980c3tony

i have to replace my entire exhaust system in my 1980 L48 350 vette,
I am contemplating what system to purchase :

summit website : SUMG-9003 summit brand headers for $89 and

SCC10S Pypes brand true duals with mufflers (all stainless steel) $460

or

corvette central website: 323100 magna flow true dual and mufflers (aluminum steel) $325 and above summit headers

any thoughts and suggestions ? please