Resonator question
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Post Fiend
Joined: Jul 2005
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From: Durant, OK (SOSU)
Resonator question
Tried a search...but it was far too generic apparently.
The Explorer I recently acquired has been my introduction to the world of resonators, as there is one behind the muffler.
I like the Explorer being decently quiet, but with a nasty growl under acceleration around 2700 rpms on up.
My question is, removing the resonator and just replacing it with a straight peice of pipe to maintain the rest of the stock exhaust, what's that gonna do for my sound?
Thanks for any help.
'98 Explorer XLT 4.0L SOHC
The Explorer I recently acquired has been my introduction to the world of resonators, as there is one behind the muffler.
I like the Explorer being decently quiet, but with a nasty growl under acceleration around 2700 rpms on up.
My question is, removing the resonator and just replacing it with a straight peice of pipe to maintain the rest of the stock exhaust, what's that gonna do for my sound?
Thanks for any help.
'98 Explorer XLT 4.0L SOHC
Freshman User
Joined: Oct 2007
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We eliminate them sometimes and it get's a little throatier sounding out the tailpipe, but the customers usually don't hear too much of a difference in the car because the noise is behind them, just make sure you get it sealed good with a good quality clamp or weld it
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Post Fiend
Joined: Jul 2005
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From: Durant, OK (SOSU)
Thanks for the help.
My plan was just to cut the resonator out and weld in a peice of pipe. It's practically free, so I figure I'll do that, just to see what it does. Then I just might have to upgrade.
Thanks again.
My plan was just to cut the resonator out and weld in a peice of pipe. It's practically free, so I figure I'll do that, just to see what it does. Then I just might have to upgrade.
Thanks again.
Posting Guru
Joined: Jun 2002
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From: Rio Rancho USA
A resonator only muffles certain frequencies and tones, usually the ones that create droning in the cab. The exhaust sound will change, and droning can increase, but not always.
They are also more restrictive than stock mufflers, especially Ford units.
They are also more restrictive than stock mufflers, especially Ford units.
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Post Fiend
Joined: Jul 2005
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From: Durant, OK (SOSU)
Any generic way the sound changes? Louder, more rough, etc.? Or is it specific from vehicle to vehicle.
flowrite, have you ever pulled one on an 4.0L SOHC and can describe the change?
flowrite, have you ever pulled one on an 4.0L SOHC and can describe the change?
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Throatier is the only way I can think of to explain it, but not to the point of being raspy. If you were standing by the tailpipe you'd probably notice it, but as your driving the noise would be coming out the back of the car and as kens64 said, sometimes it can be droney. If you had someone else drive the vehicle and you stood there, you'd be able to hear what it really sounds like.
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Post Fiend
Joined: Jul 2005
Posts: 8,462
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From: Durant, OK (SOSU)
Well...I'm headin' back to Texas Fri night, I'll be pulling it and welding the pipe in then, then taking it on a 500 mile highway run Sat-Sun, so I'll let ya'll know about the drone.
Thanks for all the help.
Thanks for all the help.
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Posting Guru
Joined: Nov 2006
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Hmm, no I dont think you will notice much if any of a difference. If your looking to get some tone you should prob think about swaping out the muffler, and then leaving in the resonator to help dampen some of the frequency from there.
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Joined: Mar 2007
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From: Pa
I would remove the resonator. I highly doubt you will notice much if any sound difference.
I put an FM40 on my sisters 95' 4.0l OHC Explorer and it is not that loud at all. Hers didn't come with a resonator.
I put an FM40 on my sisters 95' 4.0l OHC Explorer and it is not that loud at all. Hers didn't come with a resonator.
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Post Fiend
Joined: Jul 2005
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From: Durant, OK (SOSU)
'95 would have had the OHV 4.0L. I've heard the Flowmaster 40 series on that, had it on the 4.0L in my old Ranger, both with tailpipes and turndowns, it's now on a blown Silverado with hollowed cats and turndowns and...damn lol...
Like I said, I want it kinda quiet. So I'll pull the resonator and tell you guys if I notice anything.
Like I said, I want it kinda quiet. So I'll pull the resonator and tell you guys if I notice anything.
