I'm doing electric exhaust cut outs!
#1
I'm doing electric exhaust cut outs!
OK, so I did the research and ordered low profile, oval electric exhaust cut outs from Dave at DMH. $399 shipped.
I think this will give me the aggressive sound I want, when I want it, without drone and cheaper than a custom exhaust system.
I'll take pics and post the process when I get done.
Should look something like this when complete:
I think this will give me the aggressive sound I want, when I want it, without drone and cheaper than a custom exhaust system.
I'll take pics and post the process when I get done.
Should look something like this when complete:
Last edited by Vector; 05-14-2013 at 06:15 PM.
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Newby (03-02-2012)
#2
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Rave- I did the research, DHL has a 4 year warranty and good reviews. QTP is the brand that had reliability issues.
Vince - that is not my car, I have not completed the project yet. I think that is a new Camaro. I posted the photo because the pipes on my XJR are routed in a very similar fashion. I'll post photos of my car when its done.
Vector
Vince - that is not my car, I have not completed the project yet. I think that is a new Camaro. I posted the photo because the pipes on my XJR are routed in a very similar fashion. I'll post photos of my car when its done.
Vector
Last edited by Vector; 02-24-2012 at 04:43 PM.
#7
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#8
Requiring back pressure is a relatively new myth. It's more complicated than that.
When there is a problem, it is actually related to exhaust velocity and combustion chamber scavenging. But, it gets blamed on "back pressure" because that's what the installer thinks was reduced. It's like the sun rises in the east and sets in the west, passing overhead in an arc ... so the earth must be flat.
When there is a problem, it is actually related to exhaust velocity and combustion chamber scavenging. But, it gets blamed on "back pressure" because that's what the installer thinks was reduced. It's like the sun rises in the east and sets in the west, passing overhead in an arc ... so the earth must be flat.
#9
Does anyone have experience with exhaust cutouts in these computer-controlled cars? I would think the computer is programmed to expect a certain amount of back pressure, so I am not sure that bypassing the mufflers would necessarily yield more power.
But make a lot more noise, of course.
But make a lot more noise, of course.
I am looking for "the sound" not more power, 370 HP is enough for me right now.
I don't think that the unmuffled sound of a twin cam V-8 could ever be called "noise." lol.
Vector
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After some kind of crossover, either X-pipe or H-pipe and further to the rear.
I don't know how well they seal, I haven't used them yet. I just have heard how the exhaust sounds on my car in several variations: no exhaust after the cats, an x-pipe ending halfway under the car, an x-pipe ending just short of where the rear mufflers would go, and the full x-pipe exhaust with one pair of flow through mufflers.
I don't know how well they seal, I haven't used them yet. I just have heard how the exhaust sounds on my car in several variations: no exhaust after the cats, an x-pipe ending halfway under the car, an x-pipe ending just short of where the rear mufflers would go, and the full x-pipe exhaust with one pair of flow through mufflers.
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Newby (03-02-2012)
#16
After some kind of crossover, either X-pipe or H-pipe and further to the rear.
I don't know how well they seal, I haven't used them yet. I just have heard how the exhaust sounds on my car in several variations: no exhaust after the cats, an x-pipe ending halfway under the car, an x-pipe ending just short of where the rear mufflers would go, and the full x-pipe exhaust with one pair of flow through mufflers.
I don't know how well they seal, I haven't used them yet. I just have heard how the exhaust sounds on my car in several variations: no exhaust after the cats, an x-pipe ending halfway under the car, an x-pipe ending just short of where the rear mufflers would go, and the full x-pipe exhaust with one pair of flow through mufflers.
#18
center muffler?! The X308 has a center muffler?? I think you removed your catilitic converter, lol!
this is a super cool idea, but if you are standing still the open-exhaust gasses are going to pool under the vehicle (which is a definite health hazard.) This kit would be best if it was wired to open from the WOT-sensor and then close about 2-3 seconds after the end of being in a WOT state. That would also scare the heck out of bystanders, cruise along quietly in the very-quiet muffled luxo-Jag and then let it rip with a 4-liter open exhaust!
this is a super cool idea, but if you are standing still the open-exhaust gasses are going to pool under the vehicle (which is a definite health hazard.) This kit would be best if it was wired to open from the WOT-sensor and then close about 2-3 seconds after the end of being in a WOT state. That would also scare the heck out of bystanders, cruise along quietly in the very-quiet muffled luxo-Jag and then let it rip with a 4-liter open exhaust!
Last edited by vdpnyc; 03-03-2012 at 03:04 PM.
#19
center muffler?! The X308 has a center muffler?? I think you removed your catilitic converter, lol!
this is a super cool idea, but if you are standing still the open-exhaust gasses are going to pool under the vehicle (which is a definite health hazard.) This kit would be best if it was wired to open from the WOT-sensor and then close about 2-3 seconds after the end of being in a WOT state. That would also scare the heck out of bystanders, cruise along quietly in the very-quiet muffled luxo-Jag and then let it rip with a 4-liter open exhaust!
this is a super cool idea, but if you are standing still the open-exhaust gasses are going to pool under the vehicle (which is a definite health hazard.) This kit would be best if it was wired to open from the WOT-sensor and then close about 2-3 seconds after the end of being in a WOT state. That would also scare the heck out of bystanders, cruise along quietly in the very-quiet muffled luxo-Jag and then let it rip with a 4-liter open exhaust!
The cats come right off the manifold and the "thing" I removed was definitely a muffler with two see through pipes and the typical muffling material between them.
Lots 'o' fun could be had with these for bystanders, tunnels, "etc" <----not incriminating myself
#20
Here's what 2.5" x-pipe straight pipe with no mufflers sounds like.
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I think you could take 3 seconds off that time if the tranny wasn't filled with clay.