Best location for cut-out?!
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Car: 1999 subaru forester GT (urgh)
Engine: ej20 turbo
Transmission: 5speed
Axle/Gears: 4.11:1 awd
Best location for cut-out?!
I am putting on a manual (non-electric) 2 1/2" cutout. I have found a place that i think should work. It's the place/nook where the fuel filter sits, but on the other side of the car. I think it will be ok there. Or should i mount it close to the cat?
I want to cut down on the raspiness, and maximise tone. Will the location of the cat affect the sound much?
I am installing the cat as an inexpensive way to try out a different sound, not so much for performance.
Any suggestions?
I want to cut down on the raspiness, and maximise tone. Will the location of the cat affect the sound much?
I am installing the cat as an inexpensive way to try out a different sound, not so much for performance.
Any suggestions?
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Best location for cut-out?!
The most common location, is the bend just before the cat. And yes, the cat will act as a "muffler", to some degree, if you put the cut out after the cat.
Last edited by Stephen; 07-24-2007 at 10:49 AM.
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Car: 92RS 25th Anniv./88 IROC Z28 Vert
Engine: 305 TBI w/Tpi Air / 305 TPI
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Re: Best location for cut-out?!
Can you give more detail on what exactley a "cut out" is and does? Thanks
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Best location for cut-out?!
Exhaust cut-outs
It allows you to switch from a muffled street muffler, to open, non-muffled exhaust, for more HP.
It allows you to switch from a muffled street muffler, to open, non-muffled exhaust, for more HP.
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Best location for cut-out?!
Considering your exhaust routing is far from stock, that isn't quite what I meant.
I meant, follow the factory crossover, then just as it turns into the cat, a cut out there would give it the straightest outlet, it could get, and it would be before the cat.
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Re: Best location for cut-out?!
No, but the stock piping still runs through that same section. Thats where most of the ones I have seen are placed on thirdgens. Allows them to tuck alittle so they dont drag and places it back far enough that your not engulfed in exhaust fumes.
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Car: 1999 subaru forester GT (urgh)
Engine: ej20 turbo
Transmission: 5speed
Axle/Gears: 4.11:1 awd
Re: Best location for cut-out?!
I eventually want to run long tubes and have an electric cutout just after each header. That would sound sweet-as!
Good point about the fumes as well, jt
Last edited by AUSSIROC; 07-24-2007 at 11:11 PM.
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Car: '92 RS
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Transmission: G-Force t-5
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Re: Best location for cut-out?!
Can anyone show me time slip proof that there is ANY advantage to opening the exhaust??? I would like to see it. Just my opinion but on top of sounding terrible the small gain in horse power I dont believe will be translated to the time slip. Not to mention the expence and trouble involved in addin one of these to your system. IF you can see a significant gain from opening the exhaust, mabe you should rethink your system.
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Best location for cut-out?!
Can anyone show me time slip proof that there is ANY advantage to opening the exhaust??? I would like to see it. Just my opinion but on top of sounding terrible the small gain in horse power I dont believe will be translated to the time slip. Not to mention the expence and trouble involved in addin one of these to your system. IF you can see a significant gain from opening the exhaust, mabe you should rethink your system.
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Car: '92 RS
Engine: 357ci
Transmission: G-Force t-5
Axle/Gears: 4.10 10bolt mini spool
Re: Best location for cut-out?!
Im not debating that there is a gain, if you read the post closely I acknowleged that. But 10-15hp is not enough to make your car sound horrid and not see ANY E.T. gain. Most pro classes are making well over 1000hp---thats a far cry from a 350hp street car. All ORSCA classes are required to run mufflers and those guys are running(depending on class) from LOW 4's to mid 7's in the 1/8(that's LOW 7's to mid 10's in the 1/4) all on a 10" tire thru mufflers at 3000lbs minimum.
See for yourself. http://www.outlawracing.com/
See for yourself. http://www.outlawracing.com/
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Car: '92 RS
Engine: 357ci
Transmission: G-Force t-5
Axle/Gears: 4.10 10bolt mini spool
Re: Best location for cut-out?!
I guess sound is in the ear of the beholder. IMO anything under 12:1 and less than 700hp needs a muffler to sound even half decent. Thats my point---1/10 and it sounds like crap. 4 or 5 tenth's might be worth it but 1???
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Car: 1999 subaru forester GT (urgh)
Engine: ej20 turbo
Transmission: 5speed
Axle/Gears: 4.11:1 awd
Re: Best location for cut-out?!
I'm getting it fitted today so i'll let you know what i think. Hopefully not too raspy...
#17
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Car: 1999 subaru forester GT (urgh)
Engine: ej20 turbo
Transmission: 5speed
Axle/Gears: 4.11:1 awd
Re: Best location for cut-out?!
Got it fitted. Came up great. Pretty loud (in a destructon-derby-car kinda way). Seems to be muffled a little by the cat. Bit of a fuzz magnet though! Sorry bout the huge second pic.
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