Sounds good to me... I have had a 2002 4/4 (Black Top Zetec) for 5 years and it is a little 'screamer' goes well and a decent exhaust manifold transforms it. I would have recommended the cambelt change so that is done already so 'fill your boots'!
Check out my website for some tips on air filters and rev hanging issues.
www.LeMans62.org.uk/tipsSafe travels and try not to keep looking into the rear view mirror (sounds nasty and hope no one was hurt)