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Hello everybody. How r u?
I'd like to know wat is the inventions& researches done on automobile exhaust.
Emissions , design or both?
The systems improved a lot in the past 60 odd years.
Sulphur, lead etc was removed. Efficiency's improved. New designs were made. For example free-flow and the 6 stroke engine.
Are the efforts enough? Maybe not!
Good thanks, yourself?
If your query is regarding the design of exhaust systems then grab this book.
Scientific Design of Exhaust & Intake Systems (Engineering and Performance) by Philip H. Smith and John C. Morrison (Paperback - Jun 1972)