When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If it is 2.5 then maybe, it will probably be ok. If it is 2.25, I am a little skeptical. You are supposed to have 3.0" piping and tip(s) when you have FI. So 2.75" might be fine, 2.5, pushing it, 2.25, don't go there.