[dwashy]

Originally Posted by alexprehn

I have primary cats and right at the flanges after o2 sensor where exhaust starts to go straight back I got a custom y pipe into a 3inch all the way back with a straight threw 3inch muffler with (holes) on inside for a little back pressure and it sounds insane really deep not raspy at all lots of burbles and pops at redline between shifts and below 4K just reving

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