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Old 07-22-2007, 08:54 AM   #1
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straight pipes exhaust cutout for 2000 S

Does anyone know if it is possible to install an exhaust cutout (either manually controlled via toggle switch or ideally electronically controlled to switch at a certain rpm).

I am looking for the best of both worlds, quiet when you want it (stock exhaust) or loud when you want it (straight pipes). I searched the forum and saw one good video of straight pipes but no mention of a cutout. Is such a thing possible on the boxster? (I've seen them on other cars).

Also I like the vw r32 exhaust and I believe ferraris and some lambos have a 2 stage exhaust? Has anyone seen a 2 stage type for the boxster (not like fabspeed or other where it is louder all the time).

Thanks!

Mike

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Old 07-22-2007, 09:24 AM   #2
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i have 2 manually operated ones, well they are levers that you either open or close, or find a sweet spot somewhere in between.
there are 2 of them, and completely eliminate the exhaust, and can be closed of course for stock sound.
here is the link to what mine sounds like
http://video.tinypic.com/player.php?v=4ozu51h


another member on here has the electric ones, hell chime in hopefully. thats probably the vid. that you saw.
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Old 07-22-2007, 10:41 AM   #3
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sounds good dude!
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Old 07-22-2007, 11:30 AM   #4
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I have exactly what your asking about, electronic exhaust cutouts. Yes, it can be done.

Exhaust Bypass Valves

Charles (badlanzhpe.com) is a good guy, tell him you have a boxster thats the same as Jon's and he will make sure you get the right stuff.
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Old 07-22-2007, 12:05 PM   #5
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Yea that's what I'm talking about!

The sound on both those cars is awesome. I love the adjustablility of the electric valves and that is exactly what I am looking for. I'm guessing there is probably some kind of pressure switch or other that can be used to open up the valves at a certain rpm, or at least "when you really get on it".

I have used $30 adjustable pressure switches to control when a watermister would squirt water on the outside of a turbo intercooler on saabs and it works great once you get it dialed in where you want it (switch was on turbo vacuum line and turned on at a certain psi of boost which was adjustable). There must be something similar that could be done here (maybe just have it in a vacuum line?).

Does the valve have "presets" such as 1/4, 1/8 etc. or do you just judge that yourself? Ideally the valves could be preset at 1/4 for example and then the pressure switch would kick it on at 4000 rpm or whatever you preferred. That would be sweet!

I skimmed the post you referred to and am really looking forward to reading it in detail!

Mike
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Old 07-22-2007, 04:23 PM   #6
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Its fully adjustable. I think I counted 24 quick taps of the switch from full open to full closed so you could do it that way. I just count 4 seconds till its open all the way.
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Old 07-22-2007, 05:57 PM   #7
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Performance Difference?

Is the much of a performance difference or is it more just the sound?
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Old 07-22-2007, 07:40 PM   #8
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its def performance mod, as it eliminates the restrictive exhaust.

the only diff is that mine cost me like not even 40 bux, and boggtown's were close to 300 i would assume, but he does have the advantage of opening and closing from inside the cabin. i found it that i only use them at the autoX, and sometimes around the town when i feel the urge hehehe
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exhaust cutouts::EVOcoldair intake::OEM smoked tails & sidemarkers::

colormatched bumperettes::Top Speed Pro-1 exhaust::
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Old 07-24-2007, 01:31 AM   #9
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Any details

Do you have any details on how to do the mod?

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