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02-26-2013, 01:41 AM | #1 |
Scooby Newbie
Member#: 295876
Join Date: Sep 2011
Chapter/Region:
SWIC
Location: Gilbert AZ
Vehicle:2010 WRX STI Spark Silver 5 door |
My STI sound deadening project
I posted some pictures in another thread and there was a fair amount of interest so I figured I'd start a thread......
Some of you will think this is overkill, and you're wrong. I didnt pull the carpet or headliner. That might be over kill. Some will think I added too much weight. Wrong again. This isnt a race car, its a semi modest daily driver that should sound and feel like a $40,000 car. It doesn't. I knew this going in, so don't take it as a complaint, I just think that I can correct that. We added 92 square feet of material, and it weighs roughly 65 pounds. The door skins (inside door frame) , hatch skin, fender wells, b and c pillars have also been covered. My friend who's heading up the project, and I have easily 50 hours combined getting to this point. Add another 5 hours in reassembly, cleanup, and door speaker wiring. I don't have any real world feedback yet, but I did shoot this quick video of the difference between two doors. The slight rattling you hear on the rear door is the door handle. Every handle on the car rattles and I'd like to correct that as well as the homelink rear view mirror. Any input? I apologize for the cell phone photos and video. More feedback to follow. |
02-26-2013, 03:13 AM | #2 |
Scooby Newbie
Member#: 320547
Join Date: May 2012
Chapter/Region:
BAIC
Location: SF
Vehicle:2013 STi Hatch PBP |
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02-26-2013, 07:48 AM | #3 |
Scooby Specialist
Member#: 182551
Join Date: Jun 2008
Chapter/Region:
Tri-State
Location: NYC
Vehicle:2004 STi PSM |
good coverage.
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02-26-2013, 09:42 AM | #4 |
Scooby Newbie
Member#: 309196
Join Date: Feb 2012
Chapter/Region:
NESIC
Location: ME midcoast
Vehicle:2012 Hatch wrb |
I doubt i'll ever have the time to do this on my own, but I totally agree on using it to help.
My first complaint (1st time suabru owner) was how 'rattly' the car felt brand new. I was flabergasted to hear so much rattling in a brand new 35k car. I felt like i was driving my 20yo civic when I had expected much more quieter cabin environment. So in that spirit: +1 on your project! maybe one day i'll do it |
02-26-2013, 09:54 AM | #5 |
Scooby Specialist
Member#: 137405
Join Date: Jan 2007
Chapter/Region:
MAIC
Location: Baltimore
Vehicle:2011 WRX 6spd GTX3076r |
65lbs isnt that much for this. i thought that stuff was alot heavier than that. If i ever decide to tackle this i'll be using this thread as a reference. Sadly i dont know the first thing about audio setups.
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02-26-2013, 11:39 AM | #6 |
Scooby Newbie
Member#: 309943
Join Date: Feb 2012
Chapter/Region:
MAIC
Location: Hampton Va
Vehicle:2012 STi OBP |
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02-26-2013, 09:21 PM | #7 |
Scooby Newbie
Member#: 267996
Join Date: Dec 2010
Chapter/Region:
E. Canada
Location: Near Montréal, Québec
Vehicle:2011 Wrx Rallye blue |
Nice project.
Personally I add dynamat only on long flat metal. I work great for a fraction of the price and weight. My exhaust use to have a big drone sound and with only one sheet, I fully insulated the trunk, and no drone. If the metal is thick, no need for dynamat. I don't think that putting dynamat under the carpet is overkill. |
02-26-2013, 09:32 PM | #8 |
Scooby Specialist
Member#: 281250
Join Date: Apr 2011
Location: NJ
Vehicle:2007 STi Ltd UGM |
You're only going to notice a slight difference with th Dynamat...Next Luxury Liner Pro on top. Then it'll really feel like a $40,000 car.
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02-26-2013, 09:53 PM | #9 | |
Scooby Newbie
Member#: 267996
Join Date: Dec 2010
Chapter/Region:
E. Canada
Location: Near Montréal, Québec
Vehicle:2011 Wrx Rallye blue |
Quote:
If you want a 40k car, buy one! |
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02-26-2013, 10:06 PM | #10 |
Scooby Specialist
Member#: 178045
Join Date: Apr 2008
Chapter/Region:
South East
Vehicle:22 Sorento SXP Gravity Grey |
Are people forgetting that a new STI costs almost $40k? Wanting a $35k+ car to sound like a $40k one isn't the most ridiculous request I've ever heard.
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02-27-2013, 02:36 AM | #11 |
Scooby Newbie
Member#: 320547
Join Date: May 2012
Chapter/Region:
BAIC
Location: SF
Vehicle:2013 STi Hatch PBP |
It kind of is actually. If you want STi performance and "40k car luxury" you get an m3 or an s5 or some such and spend more like 60k. You can't have it all for 40k.
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02-27-2013, 01:25 AM | #12 |
Scooby Newbie
Member#: 318644
Join Date: Apr 2012
Location: Dear Leader
Vehicle:ima useless millennial |
I would pull the headliner and do that, most annoying thing is when it rains and sounds like im under a tin roof
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02-27-2013, 03:27 AM | #13 |
Scooby Newbie
Member#: 295876
Join Date: Sep 2011
Chapter/Region:
SWIC
Location: Gilbert AZ
Vehicle:2010 WRX STI Spark Silver 5 door |
I drove the car tonight and WOW! What an incredible difference this has made. Just shutting the doors is a pleasure. Over all the car feels more solid than it did.
I'll take some video in the next few days for sure. One thing I noticed is that road noise through the floor, and wind noise (roof rack) now seems amplified due to everything else being so quiet. I guess that's next! The window sticker for my STI was $39,somethin if memory stands correct. I'd call it a $40k car. |
02-27-2013, 03:25 PM | #14 |
Scooby Newbie
Member#: 324568
Join Date: Jun 2012
Chapter/Region:
TXIC
Location: San Antonio, tx
Vehicle:2005 Wrx Sti OBP |
I finally bit the bullet too. I bought 50 sqft to do the trunk , doors, and some of the rear deck. You said the rear view mirror rattles. I was thinking about opening up the back side and filling it with something to add weight to maybe combat some of the rattling.
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03-07-2013, 01:34 PM | #15 | |
*** Banned ***
Member#: 325949
Join Date: Jul 2012
Chapter/Region:
NESIC
Location: CT
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Quote:
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03-07-2013, 01:42 PM | #16 | |
Scooby Newbie
Member#: 324568
Join Date: Jun 2012
Chapter/Region:
TXIC
Location: San Antonio, tx
Vehicle:2005 Wrx Sti OBP |
Quote:
On another note I did my trunk today during my break between classes. Nothing fancy. Did mine in a hurry. |
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02-27-2013, 05:35 PM | #17 |
Scooby Newbie
Member#: 295876
Join Date: Sep 2011
Chapter/Region:
SWIC
Location: Gilbert AZ
Vehicle:2010 WRX STI Spark Silver 5 door |
I plastidipped the back sides of all the plastic caps and plugs
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02-27-2013, 08:00 PM | #18 |
Scooby Newbie
Member#: 267996
Join Date: Dec 2010
Chapter/Region:
E. Canada
Location: Near Montréal, Québec
Vehicle:2011 Wrx Rallye blue |
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02-27-2013, 08:13 PM | #19 |
*** Banned ***
Member#: 345079
Join Date: Jan 2013
Chapter/Region:
NWIC
Location: Burien WA
Vehicle:13 Wrx sedan SWP |
That is a really good idea. I'm going to spray the door clips with a shot of dip.
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02-27-2013, 09:18 PM | #20 |
Scooby Specialist
Member#: 268190
Join Date: Dec 2010
Chapter/Region:
TXIC
Location: central tx
Vehicle:2005 STi |
looks neat, how long did it take to apply all the dynamat, cost?
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02-27-2013, 09:36 PM | #21 |
Scooby Newbie
Member#: 295876
Join Date: Sep 2011
Chapter/Region:
SWIC
Location: Gilbert AZ
Vehicle:2010 WRX STI Spark Silver 5 door |
I paid cost for the material and have around $350 in it. The labor alone would run $750 - $1000. 40 hours or so, combined for 2 people. Also installed front component speakers and rear co-axial's with new wire throughout.
The fit and finish of the Audio Integretions sub enclosure is incredible! |
02-27-2013, 09:44 PM | #22 |
Scooby Newbie
Member#: 347280
Join Date: Feb 2013
Location: Oklahoma City
Vehicle:2012 WRX Sedan Ice Silver |
Another trick if you don't want to plastidip your trim panels is to use felt tape around the edges. I did this on my old Civic and also used felt washers behind clips and screws to keep the interior panels from rattling against the metal.
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02-27-2013, 09:53 PM | #23 |
Scooby Specialist
Member#: 325249
Join Date: Jul 2012
Chapter/Region:
Tri-State
Location: New Jersey
Vehicle:2012 wrx dgm |
did u remove the front two door white rattle boxes?
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02-27-2013, 10:16 PM | #24 |
Scooby Newbie
Member#: 295876
Join Date: Sep 2011
Chapter/Region:
SWIC
Location: Gilbert AZ
Vehicle:2010 WRX STI Spark Silver 5 door |
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02-28-2013, 06:55 PM | #25 |
Scooby Specialist
Member#: 325249
Join Date: Jul 2012
Chapter/Region:
Tri-State
Location: New Jersey
Vehicle:2012 wrx dgm |
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