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E60 M5 (2006 - 2010)

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Old 02-26-2013, 11:47 AM
abrookey abrookey is offline
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Location: Kent Wa
 
Join Date: Jul 2011
Posts: 119
Mein Auto: 2002 540i 6spd
Exhaust question

I have a 2006 M5. I know there are cats right off the exhaust manifolds, but about 2 feet down the pipe on each side is about a 1 foot section, like another cat, but there are no sensors, nothing. I know there is a resonator down closer to the mufflers, where the factory H pipe is. But what the **** are the two pieces in between the cats and the resonator....??
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