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4" Sound Performance boost activated cutout

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Old 08-11-2013, 07:40 PM
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Default 4" Sound Performance boost activated cutout

Well, I always wanted a Sound Performance boost activated cutout. I posted that I got one a couple weeks ago, and said I would start a thread when I got it installed. I am the type of guy that cant keep anything stock. They actually made a prototype version that did not come with the 3 bolt flange, and that is what I really wanted. After debating it back and forth, I just decided to cut this one apart. I fired up the plasma cutter, cut apart the flange, welded the holes shut, and installed V band clamps. Im really glad I did this as I ended up changing the clock position of it after gettjng everything all welded up. Here are some pics of the progress during the modification. I used it today for the first time. Another member informed me that it would begin to open at 5 PSI and be fully opened at 11 PSI. It worked exactly like that. It seems about perfect for my driving style. At WOT it is a blast. It makes a lot more power blowing the tires off, and it sounds awesome. So far I love it.


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Old 08-11-2013, 07:45 PM
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sweet!
Old 08-11-2013, 08:01 PM
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That is the best cut out work ever, my hat off to u friend. One thing can you adjust the open pressure.
Old 08-11-2013, 08:29 PM
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VIDEO NOW!!!


Somebody had to say it...............
Old 08-11-2013, 08:43 PM
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Damn thats some badass stuff. In for vids
Old 08-11-2013, 09:02 PM
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Video please!
Old 08-11-2013, 09:08 PM
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Thanks for the compliments. Give me a little bit and I will get a video. I might take off the downspout, and get a video of it in action. I will try to do it in the next couple days, if not it will have to be next week.
Old 08-11-2013, 09:09 PM
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The cutout is not adjustable. I believe you can order whatever pressure you want when purchasing one though.
Old 08-11-2013, 10:02 PM
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Very nice and clean install! Looks good.
Old 08-12-2013, 01:00 PM
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Came out great Daryl! Can't imagine that thing with even more power.


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