jerrybizzle

Need to verify what size the stock piping is on a 1997 4.6 f150?

stevenh98150

I think its two in a half thats what mine is i got a 98 f150 4.2 V6 4X4

MCpllabelle

Yup...4.6 here and its 2.5"

jerrybizzle

Thanks fellas. That's what I thought but wanted to be sure. A friend ordered a 2 inch Glasspack for his and I told him I'm pretty sure that isn't the correct size. He was able to cancel the order but didn't want to misguide him on correct size.