LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Turndown on a Cutout

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Old 01-13-2009, 12:10 PM
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Default Turndown on a Cutout

I know that this isn't something that you can normally see, but something that I'm doing.

I'm doing it becuase my car ran a tad rich and it blew soot all over the underside of the car and covered the Suspension and all of the area around the Cutout pretty much in soot. I'm also re-doing how the Cutout pipe is welded on to the Exhaust because the Muffler Shop that I went to to do it couldn't get the angle for it tight enough while it was on the Car, so now that it's off the Car I'm going to fix it and make it better.

I have a QT 3.5" Electric Cutout bolted on the car with a 3-Bolt Flange, so what I'm doing is taking a 3.5" 3-Bolt Flange & a 3.5" Turndown that I bought on Summit, and basically making a bolt-on Turndown.

This is what I bought..



I'm not using the whole Turndown, I'm cutting it to where it fits good and has a nice angle to it, but I'm trying to get it pointed down pretty much. Then bolting it on with the Electric Cutout inbetween the Flanges.

Any of you do anything like this?
Old 01-13-2009, 12:25 PM
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I have put a turndown on a flange and just bolt it up when I open the cutout. The electric part is too expensive for me! LOL But yea it help keep things a little cleaner and directs the sound out a little more instead of it bouncing off the ground and floor board.
Old 01-13-2009, 12:34 PM
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Well from what I figure and have been looking at, it will clear no prob. I think it will be kinda cool when it's done, something you don't normally see.

The electric ones aren't too bad, mine was $160..
Old 01-13-2009, 12:45 PM
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Oh yea the butterfly should open without a problem. I don't see how it would catch on anything so you should be good there.
Old 01-13-2009, 12:56 PM
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i have it on my car. and the only clearance issues are with the actual cutout and the ground. my turndown is only 3'' as well.
if you send me an email i will forward the few pics i have here at work.
and mine is a QTP electric cut out.
Old 01-13-2009, 12:58 PM
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u mean like this?
its not my picture, i got it off a member on here, i forgot his SN
Attached Thumbnails Turndown on a Cutout-picture-044.jpg  
Old 01-13-2009, 02:23 PM
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^^Yup, basically.
Old 01-13-2009, 03:23 PM
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looks like a good plan

I have a turndown on my cutout too and ended up using the very end of one of these. I'm using the other one for the back of an ORY with a short section behind it.

Old 01-13-2009, 03:32 PM
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Yea, pretty much the same thing I'm doing.
Old 02-19-2009, 08:38 PM
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I like that idea did you guys notice any difference in sound over just wide open?
Old 02-19-2009, 08:42 PM
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How's the t56 swap going?
Old 02-23-2009, 04:59 AM
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I also made one of my own to tuck it up as much as possible (see attachment). Beside saving my underside from soot, it kept the passenger side of my car, especially by the doorsill, much cooler.

Originally Posted by 199TAmaster
I like that idea did you guys notice any difference in sound over just wide open?
I did seem notice a slight change in tone after installing the turndown. Sounded better to me.
Attached Thumbnails Turndown on a Cutout-100_1203.jpg  
Old 02-23-2009, 05:04 AM
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I still got mine in the frikin hatch. I forgot! Need to get it welded
Old 02-23-2009, 02:07 PM
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Originally Posted by 199TAmaster
I like that idea did you guys notice any difference in sound over just wide open?
I noticed a difference with mine. Less drone on the hwy. I think it sounded better.
Old 02-23-2009, 07:08 PM
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Im going to make a 3inch one, but i cant find 3inch pipe anywhere! Any one know where i can get some, it seems almost rediculous i cant find any.



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