Exhaust Cutout....opinions?
08-21-04, 02:41 AM
#1
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Exhaust Cutout....opinions?
Does anyone run a cutout on their car? I like my exhaust and love the performance gains from a full exhaust...but sometimes its too loud for daily driving. I know a lot of v8 guys run cutouts and just open it up 90% of the time....but I was thinking if you tuned the car with the cutout open, and ported your wastegate or had some way of keeping boost down...would it be a good idea?
Quiet daily driving, but still free flowing and performance when you need it. Something like this would work great.
http://www.quicktimeperformance.com/...uct_detail&p=3
Anyway, what do you guys think?
Quiet daily driving, but still free flowing and performance when you need it. Something like this would work great.
http://www.quicktimeperformance.com/...uct_detail&p=3
Anyway, what do you guys think?
08-21-04, 12:11 PM
#5
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that is my thinking. my exhaust is too loud, i want to add a resonator to it but i'd like to keep it free flowing also when i need it. my friend has the manual unscrew kind, but on a car like this i dont think it would be practical to have to do that. i have like 4" of ground clearance.
08-21-04, 09:26 PM
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if your looking for a manual cutout door. i have one for sale for 90 shipped. it was used on my fd before i sold it. the cutout door is for 3" exhaust. it comes with the door, gasket, release cable, and manual lever controler.
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10-03-13, 05:38 PM
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No... You can't do it.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
10-03-13, 08:39 PM
#10
No... You can't do it.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
I was thinking that somebody to clear that 9 years old thoughts.
Thanks!!!
10-05-13, 06:54 PM
#11
No... You can't do it.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
1. No one has yet to find a valve the will withstand rotary heat for a considerable length of time and they break.
2. You would need to have two maps, one for when the cut out is open and one when it's closed. So unless you're running a stand alone that allows for switchable maps (you probably don't) you can't.
Lol you need to research the forums more before you make such claims. Here's mine. It's not pretty but it's designed to work and it works flawlessly. Keep in mind that this is my 3rd version of it. It has a Raceready 3"valve. The body is aluminum and the plate is thick stainless. Keep in mind that placement is key. My valve is on the back side away from the highest heat points. In the below pic, flow goes from left to right. You also don't need two maps. If you open the valve based on low load or in the lower rpm ranges, you won't need to tune two maps. Mine is designed to use a vacuum actuator to open faster than a motor drive version. Instant on and instant off. I've been playing with this design since the end of 2009. Gordon Monsen has a similar setup built by Defined Autoworks.
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