estimate repair cost 99 civic (spark plug, best, exhaust, replace)

[crestliner]

How much should it cost to replace the loose plug wires and bad rear exhaust and oil chage with filter.I dont know but it has to cost 100 bucks or maybe a little more.

[ukrkoz]

spark plug wires good quality are about $35-40, and DIY=free labor.
OIl change and filer - 4 qrts oil is about $12, filter is about $10 good one, DIY - labor=free.
What part rear exhaust? Muffler? You can DIY bolt on one, for about $60. MIdas is the best priced place to have it done for you. Will be around $120 or so for muffle only. From that it goes all the way up, if you have to do more components.