383 and 2" ex. pipes

It would work o.k. but the engines not really stock if it has headers-(big improvement)-years ago a buddy ran a 2in. and we couldnt get the carb right,we put on some glasspacks off the headers and it was a different car.The headers will flow great right into a bottle neck,if its only temporary you could just fab up some decent glass packs or cheap turbos.