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This is a discussion on Electric exhaust cutouts? within the Engine Performance forums, part of the Tutorials & DIY category; So back to my original question, do you happen to know of a reliable brand?...

  1. #16
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    So back to my original question, do you happen to know of a reliable brand?

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  3. #17
    Registered User maus's Avatar
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    No, but I'm still curious how you got the STI intercooler on there. Pics?
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    Thanks, and I post pics when I'm off work.

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    Quote Originally Posted by B.man View Post
    So back to my original question, do you happen to know of a reliable brand?
    Let me google that for you.

    User Mainframe has one if I recall...but he had a stock CBE on after the downpipe, so he had a reason to have one. Seems like a waste of money OP, but to each his own.
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    Quote Originally Posted by B.man View Post
    Actually found a shop that will tuck it up on the down pipe, to remove any ground clearance issues. And it's actually pretty incredible how loud it becomes. The only problem is finding a reliable brand.
    Is the downpipe catted? I would advise against getting one installed right in the downpipe. That could potentially impact your tune, although I'm not dead certain of that. If you want the noise + real performance, just get an external wastegate setup. That will provide a significant performance gain (once properly tuned), and is essentially a boost-controlled exhaust cutout right near the downpipe anyway.

    TL;DR: All the noise + no tune issues (once it itself is tuned for) + real performance gains = External Wastegate setup
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    Thanks for the idea, but is it always loud? Liked the idea of cutouts because of the option to make it quiet when ever.

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    Quote Originally Posted by B.man View Post
    Thanks for the idea, but is it always loud? Liked the idea of cutouts because of the option to make it quiet when ever.
    Its only loud when you begin hitting boost. The amount you step on the gas, determines how loud it is.

    Isaac's idea is a great one IMO if you just want loud.
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    What's the price like on getting something like that done?

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    Quote Originally Posted by B.man View Post
    What's the price like on getting something like that done?
    This isn't custom work. You'll need an EWG, uppipe with V-band, IWG braceplate and a tune. Total cost will be approx. $1300.
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    Cool, thanks.

  12. #26
    Registered User 99pgpgt's Avatar
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    Re: Electric exhaust cutouts?

    If you want a good cut out, get a badlanz cutout. 5 year no questions asked warranty and very good quality craftsmanship on them.

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    in for pics

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    If the cutout is installed pre-catalyst, you might see minor gains. This is more useful when you get into heavily modified car (if you're not bypassing a cat, it will essentially be a noise-maker at your level); until you get into GT30R+ sized turbos, I wouldn't bother (a better mod would be an EWG, instead).

    Where do you live? The issues people have is in locations that use rock salt; rock salt causes the motor to seize up, and then you're stuck with whatever config it's in when it happens.
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    QTP makes a good electronicaly opperated cutout. But there are two things to keep in mind when considering one. First, every one I have seen in use has dealt with repeated electric motor failures. They just don't last that long, and it's expensive to replace the motor. The second issue is that every butterfly vlave type cutout I have seen or heard of leaked when closed. So you're always going to be dealing with an exhaust leak.. not a huge deal, but it sounds bad, and could potentially cause you to fail saftey inspection.


    Those two prevelant issues, along with the fact that the QTP cutouts cost like $180+ steered me away from them completely. Instead I installed a manual 3" cutout that I purchased from Summit Racing for $30 and paid $20 to have welded in. It never leaks, cannot fail, and it only takes me about 20 seconds to remove the block off plate (held by three large wing nuts), and maybe a minute to reinstall. I can sit down next to the passanger door and easily reach it where ever I am.




    For what it's worth, I only open mine for about 30 minutes once every six months.. it is obnoxiously loud.

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    So what kind of gains can be seen with ewg?

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