94 Viper right sidepipe overheating and melting sill plate under door. Any ideas as to why this is occurring

[vklein]

94 Viper right sidepipe overheating and melting sill plate under door. Any ideas as to why this is occurring

 

[BoondocSaint]

If it's only on the one side, I'd look towards a clogged cat or bad O2 sensor.

 

[daveg]

I agree, sounds like a clogged cat.

 

[Old School]

Common cause of a cat overheating is a faulty fuel injector dumping too much fuel.

 

[99RT10GTS]

Cut out both cats NOW!!! Get your injectors pulled, checked and cleaned