Is the Borla XR1 40085 muffler 3in core?

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07-19-2006, 09:18 PM

BrianC98Z28

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Is the Borla XR1 40085 muffler 3in core?

I just noticed that the magnaflow 14419 muffler to go in the I pipe is a 2.5in core. Is the XR1 a 3in core? Also does anyone know about the flow pro twister or moroso spiral flow if they are 3in cores? Any info or pics are VERY appreciated.

Brian

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07-24-2006, 04:29 PM

bsf

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This may be too late, but Magnaflow's website indicates that 14419 has a 3" core. What led you to believe it was 2.5"? I am looking to use this muffler in my custom 3" dual setup.