It used to confuse me too, its when you take tha ugly looking suitcase thing off from the center of your exhaust and replace it with a straight pipe.
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guys. there is NO mds drone if you brylcreem. NONE. the resonators on the rear that your tips ar welded to prevent drone. the suitcase does nothing of that sort and makes your engine sound more like a hemi. and there is virtually no cabin noise. this is one of the most subtle mods you can do to your exhaust.
you wont regret doing it
you wont regret doing it
bumble bee is correct
mufflers have no effect on the drone, its the resonators (those things we have that look like tips) that take care of that. removing the resonators is called the tuna can mod.
mufflers have no effect on the drone, its the resonators (those things we have that look like tips) that take care of that. removing the resonators is called the tuna can mod.
74frisky just had his done im glad you enjoy it man, im sure you will too randy.
i took the plunge 4K+ miles ago and still love it. and will reccomend(as you probly noticed in more than 1 thread here hehe) it to everyone lookin to improve exhaust note quick and cheap and drone free.
im glad you enjoy it man, im sure you will too randy.i took the plunge 4K+ miles ago and still love it. and will reccomend(as you probly noticed in more than 1 thread here hehe) it to everyone lookin to improve exhaust note quick and cheap and drone free.
Let's not confuse drone with exhaust note.
Drone is when a standing resonance is set up inside the cabin... if the tone is loud enough and at the right frequency (in our case, that comes around 2000-2200 RPM), the interior will resonate with an endless "whhhooooooooooooo" that seems to be coming from all around, and it can get VERY annoying.
With MDS what you get is an exhaust tone change. The engine is going from 8 cylinders to 4 cylinders using the exact same exhaust manifold tuning (the collection points) so of course the overall tone is going to change. At best it will sound like an angry GM V6 (3.1 liter early 90s vintage) with a bad muffler. Hence why the only approach is to muffle that sound, or perhaps absorb the portions of that exhaust note that will be considered annoying.
The MDS tone doesn't bother me much, inside the car. No idea how it sounds outside, but then again I don't really care whether people are listening to my car at 60mph as they come alongside. If I happen to care, I just nudge it into [5] and cancel MDS.
Anyway, it would appear that removing the resonators will increase the sound volume and change the tone enough to result in that standing wave drone (see references to "tuna boat" elsewhere using search). Removing the suitcase seems to affect overall volume but it doesn't appear to be enough to result in that standing wave drone. That's why I went with the suitcase option.
Drone is when a standing resonance is set up inside the cabin... if the tone is loud enough and at the right frequency (in our case, that comes around 2000-2200 RPM), the interior will resonate with an endless "whhhooooooooooooo" that seems to be coming from all around, and it can get VERY annoying.
With MDS what you get is an exhaust tone change. The engine is going from 8 cylinders to 4 cylinders using the exact same exhaust manifold tuning (the collection points) so of course the overall tone is going to change. At best it will sound like an angry GM V6 (3.1 liter early 90s vintage) with a bad muffler. Hence why the only approach is to muffle that sound, or perhaps absorb the portions of that exhaust note that will be considered annoying.
The MDS tone doesn't bother me much, inside the car. No idea how it sounds outside, but then again I don't really care whether people are listening to my car at 60mph as they come alongside. If I happen to care, I just nudge it into [5] and cancel MDS.
Anyway, it would appear that removing the resonators will increase the sound volume and change the tone enough to result in that standing wave drone (see references to "tuna boat" elsewhere using search). Removing the suitcase seems to affect overall volume but it doesn't appear to be enough to result in that standing wave drone. That's why I went with the suitcase option.
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