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exhaust with a switch from loud to quiet

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Old May 9, 2009, 07:29 PM
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Consider getting one of these, makes alot of sense.

http://www.youtube.com/watch?v=m5gaAuGNk5M
Old May 9, 2009, 07:40 PM
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http://www.youtube.com/watch?v=37qNQcwSmI4
Old May 13, 2009, 05:32 AM
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Originally Posted by itsme4g63
Consider getting one of these, makes alot of sense.

http://www.youtube.com/watch?v=m5gaAuGNk5M
Thanks for posting that I didnt know they had that. I stopped by there after work yesterday and it's impressive, flexible in terms of installation choices, and strong (everything is thicker than A QTP unit and doesnt leak). This is definitely going in my exhuast system
Old May 16, 2009, 11:32 AM
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Hate to hijack the thread, but i am also wondering about this. Would it be a good idea to get a new DP and weld one of these on? Also if i do go this route weld it on DP, or get a testpipe and weld it there?

Last edited by rivz; May 16, 2009 at 11:47 AM.
Old May 16, 2009, 12:42 PM
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Originally Posted by rivz
Hate to hijack the thread, but i am also wondering about this. Would it be a good idea to get a new DP and weld one of these on? Also if i do go this route weld it on DP, or get a testpipe and weld it there?
The closer to the turbo the better. The test pipe works well, I think thats where I'll be putting mine in as I don't want to weld this on my AMS o2/dp.

The only cutout I'd go with is DMH, 4 year warranty, and trust me, these things break left and right. The motor burning out is number one cause of failure, but if you get the controller with the cutout that usually isn't an issue. It becomes an issue when you close the valve when it's already closed, or open when it's already open, the controller does it perfectly for you so you don't **** the motor up.
Old May 16, 2009, 02:08 PM
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I think you guys so cheap!
The sound will absolutely awful!
Old May 16, 2009, 02:49 PM
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Originally Posted by Hassan!
I think you guys so cheap!
The sound will absolutely awful!
That's why you keep it closed normally. Some cars sound good with it, some don't. It a cutout for a reason, or else you may as well unbolt your exhaust and leave it at that.
Old Oct 9, 2018, 03:56 PM
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Originally Posted by mx4life85
He probally means the QTP Exhaust Cutout. I have one on my car that I had welded into my testpipe.

When you flip the switch, it dumps the exhaust at the bottom of your downpipe, so your basically running no exhaust.

When you close the switch, it runs through the rest of your exhaust, so its much quieter.

http://www.quicktimeperformance.com/Downpipes/evodp.php
I have a mazda 3 and what to add one but how do I know witch on to get
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