Decided on an Exhaust
After much deliberation I have decided to get the following eaxhaust for the Boxster. Its a new design Mille Miglia and I am assured that there is NO resonance at all in the cabin. The gases flow from the sides into the middle to a mixer box. The gasses then return back into the muffler which has perferated pipes and muffler packed with fibreglass then exist via S style tips. Following is a pic. It produces a claimed 12kw increase in power but I am scpetical about this, just like the look and the richer tonier Porsche sound that it produces.
I will get some pics and recording when it's on. http://www.millemiglia.com.au/muffle...che/HT-211.jpg |
Be sure to compare the weights of the respective units also.
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what is it costing you?
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$1,600 AUS or about $1,300 US
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I think JAAY on this board already has this exhaust, and he says there is some resonance on the muffler, but that it sounds great.
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Hey Boxtaboy, from the pics I saw of JAAY's, it looks like he has the old Mille Milgia design which was a single muffler, not twins with a mixer box, but I could be wrong.....
PS The guy that makes them said he changed the design from a single straight thru to twin double pass mufflers to stop resonance, I guess I will find out when it's on. I told him I wanted NO resonance and he was that confident that he said he would remove it if there was resonance and give me my money back.... |
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Please keep us posted. I cannot stand any resonance at all.
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Thanks BB,
If you open up the OEM muffler, you will see the gass flow follows a similar path to the one I'm getting, ie the gases do a bit of a loop. Most of the other twin designs are straight thru designs, this is what gives you resonance. |
Hey Kouks, it's been 5 months...You get that thing installed yet?? Assuming so, what's the verdict on resonance? How's it sound generally? Still plan on posting a video/sound recording?
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