mfg Posted February 28, 2023 Report Share Posted February 28, 2023 L&R rear exhaust pipes (pipes ahead of mufflers) connected with a crossover pipe (as factory installed on some Studebaker Avantis) add horsepower......True? Link to comment Share on other sites More sharing options...
Nelson Posted February 28, 2023 Report Share Posted February 28, 2023 True. Also changed the sound. Link to comment Share on other sites More sharing options...
Gunslinger Posted February 28, 2023 Report Share Posted February 28, 2023 A crossover balances out the combustion impulses between the two cylinder banks and increases power and does change the exhaust tone. I’ve read that tests show an “X” crossover is more effective than an “H” type crossover in producing more power. Link to comment Share on other sites More sharing options...
mfg Posted February 28, 2023 Author Report Share Posted February 28, 2023 15 hours ago, Nelson said: True. Also changed the sound. True is Correct!.. something like a 5-7 horsepower gain 🙂 Link to comment Share on other sites More sharing options...
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