Fits 2005-2010 3v 4.6 motors. This is a 1 3/4" primary 3" collector system with welded HEGO bungs. It also has 3" leadpipes with HEGO bungs welded in too. It has 2.5" reducers for a stock system hookup.
These are brand new never used. Originally $1200 new, I'll do $775 shipped.