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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-03-2013, 11:58 PM   #1
ayyob83
 
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Electric Exhaust Cutouts ?

Hi everybody


so i heard about some exhaust cutouts that will gain some HP & TQ and the exhaust will be loud and mean.

but whenever you want to be quit it'll be back to it original sound

this is a video i saw and it's interesting thing for me




can't believe that this is s stock exhaust for camaro

so my question is that is this cutouts good or bad ?
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Old 03-04-2013, 01:21 AM   #2
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its fine and gives you a sort of mild to wild controller...just straight exhaust that dumps out after the cats and loud or a very quiet mild catback
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Old 03-04-2013, 06:13 AM   #3
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No HP or TQ gain, just good, fun, loud exhaust.
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Old 03-04-2013, 09:49 AM   #4
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I have those same cutouts installed in the same place. Yes, there a blast and will completely change the sound of the car. You will not gain any HP or TQ. In fact, on my car, it actually feels like you lose some TQ with them fully open. This is just a feeling and I have no evidence to back this up.
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Old 03-04-2013, 09:57 AM   #5
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These sound real nice.
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Old 03-04-2013, 10:40 AM   #6
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I want some of these SO bad, love the sound
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Old 03-04-2013, 10:56 AM   #7
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this video really made my mind

i guess it worth a shot

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Old 03-04-2013, 01:32 PM   #8
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If your going to get cutouts, I would get the ones from QTP. I was originally going with DMH, but my shop informed me that they have been having problems with them again and were going to change over to QTP. Something to think about. Also, the QTP cutouts use a bigger switch vs. the low profile switch of the DMH cutouts. So if you planed to install the switch in your console power port, your going to have to change locations or get another switch.
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Old 03-04-2013, 02:39 PM   #9
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I would say the only way you will make power by adding these are if you move/put them in front of your Cats. So when its open its free.. but seeing how your cats are so close good luck with moving them back to put the cutouts on!!
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Old 03-05-2013, 11:42 AM   #10
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I bought some Noweeds cutouts, have yet to install them. They did dyno test with them open and closed. You gain about 18 RWHP with them open on a L99. Of course these were also ones that were cut to fit. Mine that I bought match right up to my ARH LT's. Thought I'd share that.

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Old 03-05-2013, 12:15 PM   #11
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much thnx for the confirming that eric
and loved the sound
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Old 03-05-2013, 04:47 PM   #12
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I just sent an email to NOWEEDS as to their Cutouts. This seems the way to go as you have zero welding which in my opinion is huge considering the ease of install and not having to find or worry about a good installer.

They are more than double the price of QTP's.

We are thinking of putting these on th NAPA Camaro.

Will keep up to date on this.
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Old 03-05-2013, 05:11 PM   #13
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Ya I am interested in a no weld solution. Do you just cut out a section of pipe and slide them on?
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Old 03-05-2013, 06:54 PM   #14
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Here is their website with a video showing a complete install.

Looks like the way to go in my opinion.
http://www.noweeds.net/
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Old 03-06-2013, 12:16 AM   #15
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That system looks great and I love installation video but the price is too much for me. I think QTP cutouts + Install is cheaper. Could prob save $200?
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Old 03-06-2013, 12:33 AM   #16
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That system looks great and I love installation video but the price is too much for me. I think QTP cutouts + Install is cheaper. Could prob save $200?
more than 200 bucks saved, you also have to factor the noweeds install price also
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Old 03-06-2013, 02:00 AM   #17
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That's true I assumed you would do your own noweeds install. It looks pretty simple if you can climb under your car? If you don't have access to a lift you could probably get it install for under $100 if you wire it yourself.
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Old 03-06-2013, 06:33 AM   #18
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im going to go with qtp because of price but i heard the no weeds are better
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Old 03-06-2013, 09:15 AM   #19
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Quote:
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Ya I am interested in a no weld solution. Do you just cut out a section of pipe and slide them on?
Yes if you have stock 2.5" pipes. You would just cut out a section, slide it on and clamp it down. Of course you have the wiring as well for the diverter valves.

They do have weld-in diverters as well. I'm sure many people are opting for the bolt on for the ease of installation. They are quite pricey though.

If you have ARH 3" LT's w/ cats and x-pipe or ARH 2.5" LT's w/ cats and x-pipe they make diverters that will bolt right behind them. They are actually cheaper than the ones you have to cut your stock pipe for. I really can't wait to get them on my car and hear the thunderous roar!
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Old 03-06-2013, 10:02 AM   #20
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Old 03-06-2013, 10:22 AM   #21
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thats freakin sweet do yall sell these and if so are they a bolt in or weld on
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Old 03-06-2013, 10:23 AM   #22
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I was thinking of cut outs for the 12ss I had, and if I had got them I would have went with the no weeds. I think they are the best. They are simple to install and don't require welding. Also if you get American Racing Headers there is a no weeds kit for them as well.
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Old 03-06-2013, 11:13 AM   #23
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thats freakin sweet do yall sell these and if so are they a bolt in or weld on
Ivan is a great guy and sold me my set. Easily the best brand of cutouts you can buy (lifetime warranty). They're bolt on but some cutting to install the y-pipe is usually involved. Friend of mine did the whole installation in his shop for $80. Sorry, don't have any pics of them installed. I'll try to take some next time the car is on the lift.
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Old 03-06-2013, 11:41 AM   #24
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Ivan is a great guy and sold me my set. Easily the best brand of cutouts you can buy (lifetime warranty). They're bolt on but some cutting to install the y-pipe is usually involved. Friend of mine did the whole installation in his shop for $80. Sorry, don't have any pics of them installed. I'll try to take some next time the car is on the lift.

thanks. as long as there is no welding needed i can handle it from there
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Old 03-06-2013, 01:20 PM   #25
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Ivan is a great guy and sold me my set. Easily the best brand of cutouts you can buy (lifetime warranty).
This lifetime warranty is actually a good reason to pay the extra $100-$200. I know QTP had a problem with the motors burning out a while back. I am almost positive is is fixed now but I think they refused to replace them for free. Anyway a lifetime warranty would definitely be nice. (assuming they cover that kind of stuff)
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