Quote:
Originally Posted by mrj25
Hmm that's strange because my HKS exhaust is an n54 and bolted fine on my N55 E90. Also I spoke to Long at LTMW and he says there should be no problem putting an N54 exhaust on an N55 car.
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It depends on the exhaust. Mine was hitting the heatshield somewhere mid-curve. And I believe N55 oem exhaust has one cat on it.