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Old 10-24-2002, 11:59 PM   #1
Scooby Newbie
Member#: 21164
Join Date: Jul 2002
1998 Legacy Outback

Question Tire sizes and speaker sizes...

I'm hoping someone on this forum can tell me the bolt pattern for my '98 Outback. Also, what is the factory offset? I'm thinking about snow tires and aftermarket rims.

In an unrelated issue, my factory speakers just plain suck. What's the max mounting depth available? I've upgraded my deck, and now it's time for some decent speakers. Crutchfield says 1 3/4 " is the maximum mounting depth available, but that's not very deep. I need full functionality of my windows, so what is the maximum depth that you guys have gotten away with, and with what brand/model of speakers have you used?

Thanks all,

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Old 10-25-2002, 12:08 AM   #2
Patrick Olsen
NASIOC Supporter
Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
1997 Legacy 2.5GT
1996 Impreza coupe


Bolt pattern is 5x100mm. I think the Outback wheels are 16x6.5" +48mm, but I could be wrong on that. The offset is somewhere in the 48-55mm range, and I think the Outbacks are at the lower end of that to give a slightly beefier track.

As for speaker mounting depth, if you're willing to be a little creative you can get nearly another inch using some MDF spacers. That's what I intend to do (bought all the stuff nearly a year ago, still haven't installed it ). If you look through the front speaker grilles in the door panels, you can actually see the speakers and even with the "premium" Panasonic speakers (which seem pretty decent to my non-audiophile ears) the tweeters are a good 3/4" or more from the back of the door panel. I think I bought 3/4" MDF.

Pat Olsen
'97 Legacy 2.5GT sedan
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Old 10-25-2002, 12:32 AM   #3
Scooby Guru
Member#: 4800
Join Date: Mar 2001
Chapter/Region: TXIC
Location: Houston, Tx
1990 Legacy & 97 OBS


Yeah.....you need some sort of spacer in there....or mounting depth just sucks.....or you can just not put down your window

Check out my site www.surrealmirage.com/subaru

I have pics of my speaker spacers I made out of marine plywood. Had to go to 1"+ because the kappas have a rather deep mounting depth.

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Old 10-25-2002, 02:22 AM   #4
Scooby Specialist
Member#: 4615
Join Date: Mar 2001
Chapter/Region: BAIC
Location: Don of the Wagon Mafia
05 FXT/01 OB/97 OB


Your stock OB wheel size is a 15x6, 55 offset...

I've got pioneer TS1667's in fornt and rear doors, I had to do a tiny bit of tweaking on the fronts (an extra rubber gasket) to get about 1-2mm of clearance for the window. These are 2.25 deep, and bolt right into the factory mounting brackets...........
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Old 06-02-2005, 10:11 PM   #5
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Member#: 73051
Join Date: Oct 2004

is the bolt pattern the same for the 96 outback legacy. I remember reading that almost all models had the same bolt pattern but I'm going to be buying a set of wrx rims and tires and I'd like to get confirmation that they will fit.
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Old 06-02-2005, 10:20 PM   #6
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Member#: 74009
Join Date: Nov 2004
Chapter/Region: Tri-State
Location: Trenton, NJ
95 Legacy GT
Deep Sapphire Pearl


All Subarus in that general time span have 5x100mm, only older n the new Sti's have different ones.
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Old 06-02-2005, 11:59 PM   #7
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Member#: 25952
Join Date: Oct 2002
Chapter/Region: NWIC
Location: Under your hood :-)
1995 Impreza Coupe
w/ "Extras" :-)


I'm running CDT HD62z's in my front Doors. To make them fit, they required the Thick Large spacers from IAperformance. I believe the mounting depth of those speakers is around 2.75". I had to dremel the back of my door panels so the cone wouldn't contact it. I have no window issues at all.
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Old 06-03-2005, 01:34 AM   #8
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Member#: 70418
Join Date: Sep 2004
Chapter/Region: NESIC
Location: Greenville, SC
Five Subarus later I
drive a lifted TJ.


i had to saw off the rain guards for the stock spacers, and rotate the speakers for the chassis' to clear the window lift...

i can't roll down my windows wet or it drips on the spider.

and i had to trim the inside of the rear grilles in a relaly creative way...

but i have 4 infinity kappa 63.5is and they are beautiful!

they aren't screwed in, just pressed in. so far so good and its been like 2 months.
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Old 06-03-2005, 03:26 AM   #9
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Member#: 10471
Join Date: Sep 2001
Chapter/Region: TXIC
Location: Dallas, TX
2000 BMW Z3
sold Outback & ForesterXT


You can put a washer or two in the window rail to push it back another 1/4 inch. There are several things you can do to squeeze extra space out. I have some DEEP infinity spkrs in the front doors and had to trim, shim and use spacers, but they work great!
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Old 06-03-2005, 09:04 PM   #10
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Member#: 38629
Join Date: Jun 2003
Chapter/Region: NWIC
Location: Northwest
1999 Legacy GT (STI)


I'm running Boston Acoustic Z6's in my front doors. There was custom work to install them I believe, but the manual says they require 2'' 7/16ths of depth. So with a little work, you can definately push beyond what Crutchfield says is possible.

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