Free flow muffler
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Senior User
Joined: Mar 2010
Posts: 167
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From: Fort Gratiot MI
Free flow muffler
I know this has been kicked around here soemwhat, but I want to open up the exhaust of my Navigator (in my sig below) with a free flow muffler.
The thing is I dont want it to sound loud while cruising at highway speeds pulling my travel trailer. I would like stock quiet or very close to it at highway speeds.
Anyone got any ideas or have a muffler system that they installed that accomplished this?
Thanks in advance
The thing is I dont want it to sound loud while cruising at highway speeds pulling my travel trailer. I would like stock quiet or very close to it at highway speeds.
Anyone got any ideas or have a muffler system that they installed that accomplished this?
Thanks in advance
Senior User
Joined: Dec 2009
Posts: 147
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From: Cuyahoga Falls, OH
I just went out to summit racing and bought a magnaflow 2.5 inch in/out muffler ($80) and a nice stainless steel tip ($50) and ran out to the local muffler shop and had them bend a 2.5 inch pipe for me ($100) and had them install everything for me. The magnaflow sounds great and the tip looks awesome. Buying the parts seperatly was a lot cheaper than buying the magnaflow kit ($550). It does not drone in the cab like a chambered muffler would, but it can get loud when you get into the throttle but not obnoxious and at cruising speed it is hardly noticeable.
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Senior User
Joined: Mar 2010
Posts: 167
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From: Fort Gratiot MI
See I want the extra power associated with the free flow mufflers but dont want the extra noise while towing my travel trailer with the truck.
What do you all think, can I get a free flow muffler that wont drone in my ears while on the highway?
What do you all think, can I get a free flow muffler that wont drone in my ears while on the highway?
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Joined: Aug 2009
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Denver and back. The kids went back to MN to spend a couple of weeks with grandma before school starts. We are back already.
The problem with muffler choice is that I don't know what you consider to be "drone". I was thinking about it on my trip some and I can always hear my exhaust. I suppose some would call that "drone". If you do not want to hear the exhaust on the highway at all, you had better stay stock.
Climbing the passes my truck needs to be out of OD and running 2500 rpm. It is making some noise under load for sure. It is going to depend on your driving conditions and tolerance for exhaust noise.
Back in my Dodge diesel days, the guys that wanted flow and quiet would fit a large 51" long straight through muffler made by Donadlson for big trucks. It was a 4" in and out so probably not directly applicable to your truck. Those guys seemed happy with it. I personally liked the no muffler option on that truck
The problem with muffler choice is that I don't know what you consider to be "drone". I was thinking about it on my trip some and I can always hear my exhaust. I suppose some would call that "drone". If you do not want to hear the exhaust on the highway at all, you had better stay stock.
Climbing the passes my truck needs to be out of OD and running 2500 rpm. It is making some noise under load for sure. It is going to depend on your driving conditions and tolerance for exhaust noise.
Back in my Dodge diesel days, the guys that wanted flow and quiet would fit a large 51" long straight through muffler made by Donadlson for big trucks. It was a 4" in and out so probably not directly applicable to your truck. Those guys seemed happy with it. I personally liked the no muffler option on that truck
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Joined: Oct 2006
Posts: 4,171
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From: SE Texas
I know this has been kicked around here soemwhat, but I want to open up the exhaust of my Navigator (in my sig below) with a free flow muffler.
The thing is I dont want it to sound loud while cruising at highway speeds pulling my travel trailer. I would like stock quiet or very close to it at highway speeds.
Anyone got any ideas or have a muffler system that they installed that accomplished this?
Thanks in advance
The thing is I dont want it to sound loud while cruising at highway speeds pulling my travel trailer. I would like stock quiet or very close to it at highway speeds.
Anyone got any ideas or have a muffler system that they installed that accomplished this?
Thanks in advance
JL
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