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Old 08-16-2010, 04:16 PM   #5
Been there, fixed that.
Join Date: Aug 2009
Location: Ontario
Posts: 28
Just to be clear, on a Canadian car, provided the stock muffler is still intact,

fat exhaust tip & a flap = M Sport (225HP)

thin tips & no flap = M Performance [MAS] (235HP)

Is there *any* other way to tell?

I'm assuming the shorter rear end ratio goes only with MAS, is that correct?
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