1964 Plymouth Valiant-3'' Exhaust

Have some made. -- Here's 3 inch, on a 68 Dart. -- Possibly wouldn't work on a Early A Body. View attachment 1715198003
Wonder if a way around this entire tail pipe issue is to consider a side dump (like a TA). Less bends and restriction. A foreseeable problem is the convertible factor-am I going to get woffed with fumes?