stock breathing on 89 f250?
The stock air filter for my new to me 1989 F250 with 460 seems pretty small. what mods do most guys do with these? I want to put a freer flowing muffler with 3" exhuast but it seems the stock air cleaner is a bigger restriction than the exhuast.
Last edited by jadmt; 12-05-2007 at 06:51 PM.