Quarter Panel Deadening - factory deadening? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

l0aded · 03-18-2013, 08:32 PM

So I am preparing to deaden my car tomorrow and was wondering if anyone has done the rear quarter panels? There seems to be some kind of factory deadening sheet but I'm not sure how good it is as the panels seem to not be deadened at all. Did you guys remove it or put your own deadening over it?

Side question: The wheel bump is visible from inside the cavity, is this a good place to put some MLV over the hump part to reduce road noise or should I just leave it as is?

Reference Picture:
http://i.imgur.com/NZQYIJ9.jpg

zooki · 03-19-2013, 02:42 PM

I did mine. With the rear interior panels out, and the trunk interior panels out, it's easy to cut some strips to fit up along the inner fender from beside the rear seat all the way to the trunk. I just layed some additional deadener over the factory stuff also. You don't have to cover the entire area, I probably covered around 50% of the surface area, and it made a difference. The radio seems to play"tighter", no booming or rattling anymore.

xjohnx · 03-19-2013, 03:22 PM

I put my Damplifier pro in patches around the factory deadener, but not over it. I didn't put any on the wheel wells as they actually sounded pretty solid from what i could hear, putting a couple blocks on the quarter panel section seemed to help quite a bit though.

l0aded · 03-19-2013, 06:43 PM

Sounds good. I'll probably work around it and hope it holds its own.

maj75 · 03-19-2013, 07:19 PM

There is virtually no factory sound dampening on the quarter panels. I stripped the entire interior and did the floors, trunk, quarter panels and trunk lid. Tapping on the quarter panels or trunk gets a solid thunk with no reverberation in the panel.

Made a huge difference in the interior noise level.

03-19-2013, 02:42 PM	#2
zooki Senior Member Join Date: Jun 2012 Drives: waiting on a 2021... Location: Texas Posts: 770 Thanks: 190 Thanked 410 Times in 233 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I did mine. With the rear interior panels out, and the trunk interior panels out, it's easy to cut some strips to fit up along the inner fender from beside the rear seat all the way to the trunk. I just layed some additional deadener over the factory stuff also. You don't have to cover the entire area, I probably covered around 50% of the surface area, and it made a difference. The radio seems to play"tighter", no booming or rattling anymore. __________________ 2016 4Runner Tail edition 2020 Camry 2020 RAV4 2013 Chevy 3500 4x4 Duramax 1999 Ford F250 Powerstroke, the tow rig 1969 Mustang, the fast car....(:

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03-19-2013, 03:22 PM	#3
xjohnx Grip>Slip Join Date: Jun 2012 Drives: 13 SWP BRZ Ltd - Innovate Powered! Location: RVA Posts: 3,563 Thanks: 656 Thanked 1,716 Times in 1,031 Posts Mentioned: 45 Post(s) Tagged: 3 Thread(s)	I put my Damplifier pro in patches around the factory deadener, but not over it. I didn't put any on the wheel wells as they actually sounded pretty solid from what i could hear, putting a couple blocks on the quarter panel section seemed to help quite a bit though.

03-19-2013, 07:19 PM	#5
maj75 Senior Member Join Date: Nov 2012 Drives: Blue FRS 6sp, 95 M3 Location: South Florida Posts: 115 Thanks: 6 Thanked 43 Times in 25 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	There is virtually no factory sound dampening on the quarter panels. I stripped the entire interior and did the floors, trunk, quarter panels and trunk lid. Tapping on the quarter panels or trunk gets a solid thunk with no reverberation in the panel. Made a huge difference in the interior noise level.

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