I measured my pipe sizes today. I noticed header pipe size from y connection to flange is 3". From flange to resonator & to muffler is 2 1/2". Muffler outlet/tailpipe is 3".
2012 F-150 XLT SC Ecoboost Tuxedo Black, 6.5' bed, 4x4, 3.55s, SSI tunes, 4" Flo-Pro exhaust with Twister resonator
I can do all things through Christ who strengthens me. Phillipians 4:13
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