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HOOOOLD EVERYTHING! Don't even THINK about a cat back!!

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Old 10-18-2006, 07:54 PM
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Default HOOOOLD EVERYTHING! Don't even THINK about a cat back!!

Yeah, you heard me right. Don't even THINK about buying a cat back exhaust, or ripping out your muffler, or ANYTHING like that until you've read this...

So ALLLL my life I've been wishing for the perfect exhaust. That is, one that is REDICULOUSLY loud when I want it to be, and one that makes minimal racket when I'm taking the president of the company to lunch. Historically, I've walked the line. 50-series flowmasters and the like - selling myself short on sound to maintain a reasonable "mature" image. And that's where I was originally headed for my new LS2 Trailblazer SS...

NO MORE!!!!!!

On a whim, I went to the local speed shop and picked up a 3-inch stainless cutout pipe, a motorized butterfly flange valve, and a digital controller. I wired up the whole shebang by taking out the console and drilling a hole just behind the emergency brake apparatus, and installing the digital controller in the glove box. I took the pipe to the local custom exhaust joint and they did a FANTASTIC job welding it between the y-pipe flange and the stock muffler - it JUST fit, and the whole thing is just as removable as a catback system would be). I took it home, hooked it all up and. Well....


It is FUU***KKKING INCREDIBLE!!!!


NOW, I can cruise quitely past the cops, the office, and the ex-wife's house! And when some jacka$$ in a new mustang pulls up alongside, I can RUPTURE HIS EARDRUMS!! The digital controller lets you set it full open, fully closed, or anywhere in between. It has presets. It has a digital display. It has.... the keys to my heart.

It is friggun AWESOME. I can honsestly say that had I known that in the past that this was such a viable option, I would have NEVER installed a cat back on my daily driver. This is the best of ALL worlds, and in case you hadn't noticed, I highly recommend it.

Zac
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Old 10-18-2006, 08:18 PM
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is the cutout a kit, or did you buy the pieces and build it? Sounds sweet, im interested
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Old 10-18-2006, 08:20 PM
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So it's an electric homemade cutout?

Ever heard of a QTEC? you're not the first by a looooooooooong shot.

Unless this is a joke or something.
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Old 10-18-2006, 08:25 PM
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There a difference between an electronic and his "digital" cutout?
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Old 10-18-2006, 08:30 PM
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Default Wll duuuh....

I know I'm not the first, but this is the first exposure I've had to it. I bought the parts from QTP. The stainless 'y' and the 3" motorized valve were $200 in kit form. The digital controller was another $100, and the muffler shop charged me $100 to do a REALLY good job welding in the adapter.

The whole thing was less than a cat back, and is infinitely cooler... Sweet.
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Old 10-18-2006, 08:30 PM
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Digital Controller :
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Old 10-18-2006, 08:34 PM
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im ******* confused, this whole time i was under the impression that the QTP cutout was with a toggle swich but is it a digital controller?
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Old 10-18-2006, 08:39 PM
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Originally Posted by brad8266
Digital Controller :
Don't need any stinking controller.........just a toggle or rocker switch.... [or is this a joke?]
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Old 10-18-2006, 08:40 PM
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Default No no no...

The valve COMES WITH a two way momentary switch (like the one that operates the tops on convertibles). Push and hold it in one direction to open the valve, push and hold in the other to close it. The drawback is you have to hold the switch, and you run the risk of over-closing the valve and making it leak over time...

For an EXTRA $100, you can get a digital controller that you install IN LIEU OF the toggle. It self calibrates and knows exactly where full open and full closed are, and allows you to set presets anywhere in between based on a "percent open" setting. Mine is at 15% and 40%. It also had an "activation wire" that can do different things when you feed it a ground. So if you rig it to a throttle switch or a button on your shifter, you can hide the digital controller in your glove box (like I did) and operate the thing that way also.

Pretty cool...
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Old 10-18-2006, 08:45 PM
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Cutouts on LS1's sound amazing in my opinion. They are just so deep.
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Old 10-18-2006, 08:51 PM
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you have pics? i'll like to see it!
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Old 10-18-2006, 08:52 PM
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Yeah E-cutouts are great. I installed mine a few weeks ago and now all my friends want one.
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Old 10-18-2006, 08:58 PM
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so basically you built a 300 dollar e-cutout and had 100$ to have it installed when you could have bought one form DHM or QTEC for cheaper?

youre the first all right
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Old 10-18-2006, 09:02 PM
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Betcha mine sounds identical and all I did was spend a grand total of $9 on mine and it took me an hour to fabricate it and weld it in.

Yeah its nice opening and closing it from inside but all it takes me a whole 45 seconds to get on one knee, put the cap on, thread the nuts and tighten

Yeah, it looks ghetto but it doesn't sound ghetto and I couldn't justify spending that much if I'm going true duals anyway soon


Anyway, what matters is you're happy, is your y-pipe catted?
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Old 10-18-2006, 09:03 PM
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so where did u get the digital controller.... off QTP?
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Old 10-18-2006, 09:17 PM
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Originally Posted by s10blaza
Betcha mine sounds identical and all I did was spend a grand total of $9 on mine and it took me an hour to fabricate it and weld it in.

Yeah its nice opening and closing it from inside but all it takes me a whole 45 seconds to get on one knee, put the cap on, thread the nuts and tighten

Yeah, it looks ghetto but it doesn't sound ghetto and I couldn't justify spending that much if I'm going true duals anyway soon

Anyway, what matters is you're happy, is your y-pipe catted?
Yeah, but it's not stainless, you can't open and/or close it when some jackass pulls up next to you, and you can't take it off easily when it's hot.

This is it - I'm not changing the exhaust any further. My level of backpressure is now fully adjustable from stock to wide open. Except yeah, I still have the cats. That's how the sound ended up being tolerable...
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Old 10-18-2006, 09:22 PM
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Originally Posted by Tainted
so basically you built a 300 dollar e-cutout and had 100$ to have it installed when you could have bought one form DHM or QTEC for cheaper?

youre the first all right
No JACKA$$... As clearly stated in a previous post, I bought everything from Quick Time Performance.
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Old 10-18-2006, 09:56 PM
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the digital controller from QTP?
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Old 10-18-2006, 09:58 PM
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cutouts on stock manifold ls1s sound awesome
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Old 10-18-2006, 10:08 PM
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^^^ they actually do...mine sound quite alright
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