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> DMH Electric Exhaust Cutouts, interesting!
post May 15, 2005 - 12:02 PM
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hellsyphon



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My friend just sent me this link and I think this thing is pretty interesting!

http://www.dmhperformance.com/

Heres also some clips on what it sounds like on a G35

http://www.havill.net/G35/dmh/socalted_G35sedan_DMH1.AVI
http://www.havill.net/G35/dmh/socalted_G35sedan_DMH2.AVI

 
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post May 17, 2005 - 2:36 PM
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shid



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You don't want backpressure with an NA car or a turbo car- you want to have an effect called "gas scavenging" which basically means the gas particles are close enough to one another to latch on- and pull each other out of the exhaust. If the exhaust is too large and the the particles are too spread out, you won't have gas scavenging and you'll loose some exhaust velocity as the particles are no longer pulling each other out.

For the record, this will have no effect on spool time.

You know a thread is stupid when it actually causes me to post.

This post has been edited by shid: May 17, 2005 - 2:36 PM

Posts in this topic
- hellsyphon   DMH Electric Exhaust Cutouts   May 15, 2005 - 12:02 PM
- - playr158   yea i plan on using this for my turbo setup   May 15, 2005 - 12:04 PM
- - hellsyphon   cool i cant wait to hear it on a celi   May 15, 2005 - 12:12 PM
- - 97sccelica   unless you turbocharge your celica and run the fac...   May 15, 2005 - 12:23 PM
- - playr158   yup thats exactly my plan that lil butterfly valve...   May 15, 2005 - 3:25 PM
- - Drocay   my boy has that on his 240 its nice, he's got ...   May 15, 2005 - 4:06 PM
- - Mike   alright, that is just about the coolest thing i...   May 15, 2005 - 5:10 PM
- - playr158   put it on after your cat if your goin to run full ...   May 15, 2005 - 5:15 PM
- - Mike   stupid question but what would happen / be the pro...   May 15, 2005 - 5:50 PM
- - playr158   lose power   May 15, 2005 - 6:58 PM
- - Hanyo   what would be cool is have that on the intake pipe...   May 16, 2005 - 5:15 AM
- - playr158   that probably isn't efficient probably get mor...   May 16, 2005 - 8:11 AM
- - Supersprynt   QUOTE(Mike @ May 15, 2005 - 6:50 PM)stupid qu...   May 16, 2005 - 8:25 AM
- - playr158   on an NA motor you do actually want some back pres...   May 16, 2005 - 9:53 AM
- - Drocay   heres the problem, your termanology is incorrect b...   May 16, 2005 - 10:31 AM
- - Mike   I was just looking on their website, it's too ...   May 17, 2005 - 2:43 AM
- - Kwanza26   You need interia to keep the engine running... not...   May 17, 2005 - 3:04 AM
- - Hanyo   What I mean was.. to have one of those valve right...   May 17, 2005 - 5:44 AM
- - Mike   will their 2'' cutout fit our 5s-fe exhaus...   May 17, 2005 - 1:23 PM
- - playr158   yes   May 17, 2005 - 2:07 PM
- - Mike   QUOTE(playr158 @ May 17, 2005 - 12:07 PM)yes ...   May 17, 2005 - 2:19 PM
- - shid   You don't want backpressure with an NA car or ...   May 17, 2005 - 2:36 PM
- - cardshark525   Dug this up since it was on the last podcast and i...   Aug 17, 2014 - 9:23 PM


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