Super Quiet Cab - Diesel Forum -
1999-2007 Upgrades and Aftermarket - General Upgrading or adding OEM or aftermarket equipment to your 1999-2007 Super Duty. Please confine discussion of topics in this forum to those items that are not engine-specific.

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post #1 of 2 (permalink) Old 01-11-2010, 10:16 PM Thread Starter
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Super Quiet Cab

What are all the tricks to quiet the cab down to whisper quiet? Had my share of loud diesels and now days all I want to here is a little turbo whistle now and then.

So, planning on either pulling up the stock carpet and replacing, or if I can't find a perfect fitting stock carpet I'll stick with what I got, pull it and lay down sound deadener. Outside of the cab floor, and doors where else can I apply sound deadener to quiet the cab down significantly?

Would it make sense to do the cab head liner? How can I significantly quiet sound down from the firewall? Would adding Rhino Liner to the cab floor underneath the truck add any sound deadening qualities?

Suggestions on the best sound deadening material out there?

P.S> truck has stock exhaust on it now, plan to add 4" soon. Whats the QUIETEST 4" exhaust available out there w/o a crappy high restriction muffler. (want muffler, just not a performance robbing one)

2000 F350 CC DRW w/ 4.10's 4x4, Auto. Bone Stock (at this moment
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post #2 of 2 (permalink) Old 01-12-2010, 01:23 PM
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No secret to it.

You have to remove the seats and carpet and cover the floor, wall to wall and firewall to the back of the cab, with expensive sound deadener, such as Dynamat. Then cover the inside of the doors. Then cover the firewall. I don't think covering under the headliner will do much good, but it will help some. Cover the back wall of the cab from floor to the bottom of the backlight, being sure to not block the big air vent in the back of the cab. After everything is covered floor to windows, then reinstall the carpet and seats.

Not cheap. Plan on several hundred bucks for the mats, plus at least one long day for the install. Most suppliers hav custom-fitted pieces for inside the doors. When you get done you'll know one reason why a luxury car costs more than an economy car.

There is more than one brand of sound deadener mat available, but here is the best known:
The Official Dynamat Website

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