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      05-18-2019, 08:55 AM   #1
FIREWORKKS
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Drives: 2007 325i
Join Date: May 2018
Location: Australia

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Secondary cat delete vs midpipes

What would the difference in sound be like for cutting off the secondary cats versus replacing the 2" midpipes with 2.5" AFE midpipes?

currently have the PE exhaust with the resonator delete.