1985 Ferrari 400i 43,006 mi fair to good new ss exhaust, seats & tires

I have had this car for many years and have recently fitted new stainless steal exhaust complete, new leather seats including binnacle over guages, une-up including adjusting valve tappet clearance, new tires.Several years ago I had the transmission rebuilt.Paint is fair and original as far as I know.Issues: cracked front right turn signal lens - repaired and does not leak recent minor exhaust manifold leak that is evident on start up but seems to disappear after a little while transmission leaks oil from some seal - probably from sitting and dry seals - may work itself out by driving and using - I have many cars and haven't driven this car too much.The car runs very well, dles smoothly and sounds great.