An exhaust like this:
And I custom built a console, complete with black naugahyde (how many Naugs I had to kill I won't say) with an oil pressure gauge, oil temperature gauge and...one other gauge I cannot remember. Also put a really nice tape player in there, too.
How I loved that car, but boy, it took a pound of flesh out of me. I spent many hours on my back!
JC Whitney used to sell a converter kit for the lever shocks I remember.
My brother had a 1970 Datsun 1600 which was the best Brit car of the time. Lol