He wasn't asking for our opinions. Just what options he has.
Actually...if you'll reread his post, opinions are exactly what he was asking for. Just because mine wasn't a positive one on the subject, doesn't make it any less valid. You need to be moving some serious exhaust flow to justify cut outs....otherwise the most they end up doing is eating up useable torque and quite frankly sounding awful.
I read a while ago on the net about a muffler that had a bypass valve inside
Actually, his question said NOTHING about cutouts, at all. He was asking about variable mufflers, which, by the way, all Corvettes have had for years.
Actually, his question said NOTHING about cutouts, at all. He was asking about variable mufflers, which, by the way, all Corvettes have had for years.
I read a while ago on the net about a muffler that had a bypass valve inside (electrical switch) that went from muffled to straight through.
Just because it doesn't open strait out in front of the muffler, directly into the atmosphere, doesn't make it any less a "cut out" design. In one instance it utilizes the exhaust packing, baffles, material, etc and in the next with the flick of a switch an adjustment of a valve(s) (be it internal or external) it bypasses the sound control altogether and runs strait through.
So if this isn’t a cut out design, how exactly would you define it then?
What part of "out" don't you understand? Internal is INside the muffler, cutoutss are OUTside the muffler. By your definition, any straight-thorough is a cutout.
The definition is not dependant on the placement of said junction within the exhaust system. Whether the placement occurs right off the collector, before the converter(s), before the muffler(s), or occurs within the body of the mufflers itself has nothing to do with the interpretation of its definition. Its definition is however soley dependant on whether or not a secondary routing exists.
Get it now, or do I need to draw you a picture?
You mean like the picture I posted above of exactly such mufflers?
I really don't see what your argument is here?
Sure, if you want.
They're built as a vacuum operated exhaust design...I would imagine similar to (and probably a more refined version) that of the short lived design of the early 70's Pontiac GTO. In one mode, they run full baffling and sound deadening and in the next (presumably with the flip of a switch, or pull of a cable) the system redirects the exhaust path is via the vacuum operated valve to an alternate pathway within the muffler containing either reduced baffling or sound deadening material, or depending on how you'd like it set up....none at all.
This is the exact same concept as the traditional exhaust cut out, only its done so within the confines of the muffler itself. Same ****, different pile. I really don't see what your argument is here?
BTW, there is another option for a muffler with an internal bypass to change the sound level that is a good bit cheaper than the repro GTO system from Waldrons.
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