@1JZdorifto It's called "Scientific Design of Intake and Exhuast systems" by Philip Smith and John Morrision. This book won't answer any specific questions about building an exhaust system--but goes into great detail about gas flow and how variables like pipe size and length affect it. You must...
@kickn5k ---For more info you can go to Cardomain and search 1975 corolla, mine is the third one. From the brief test runs I can already tell it will be a blast to drive. I can't wait to get it finished.
@camelont688 Still working on it--the body work was more involved than I thought. Should have it back together and running by the end of the year.