i have read the manual i bought and the one i downloaded,i can't find it anywhere. i have a 94 4.3 lx alpha one, which one do i need and where and how is it installed.do i need sealer or cement?
They are at the top of the Y pipe on each side. Look for merc parts in the parts store and you'll be able to find them by engine type and year. Remove the exhaust elbows to get at them. In the manual you'll see the entire exhaust system with pics and instructions in the "collectors" section.