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Old 06-30-2009, 04:32 PM   #1
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Default ASAP with sizing for muffler and cat

Ok, guys, I have a 03 bonneville ssei supercharger, and want to get the flowmaster 40 series and magmaflow direct fit cat, does anyone have the sizing or patrs numbers for these so I can order them, looking for so help and thanks
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Old 06-30-2009, 04:37 PM   #2
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The cat should be 2.5" in and out. Not sure on the pipes after the Y pipe. Purplehazier should have that info.
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Old 06-30-2009, 04:49 PM   #3
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Can you get purplehazer to get back to me with some specs, thanks
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Old 06-30-2009, 04:51 PM   #4
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I can't right now. Send him a PM, he pops in all the time.
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Old 06-30-2009, 05:18 PM   #5
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I've got the Magnaflow #4324'*. They are 2" in and out. I would check on the Magnaflow cat...some of them throw codes on our cars. I went with the Goerlich #608227. However; I also up sized my pipe to 3" and the Y pipe I dropped down to dual 2" to the mufflers.
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