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Old 05-13-2011, 03:59 AM   #1
kcpaz
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Member#: 194611
Join Date: Nov 2008
Location: Gilbert Arizona
Vehicle:
1998 Legacy GT
Mexico Blue (not red)

Default 2008 STI 4" exhaust










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Old 05-13-2011, 08:29 AM   #2
SiFlyBy
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Location: Bismarck, ND
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That is LARGE. I doubt the car needs a 4" pipe, but I sell 5" exhausts to guys with otherwise stock diesel trucks all the time. Very nicely done. I think this thread needs a little video of how it sounds.
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Old 05-13-2011, 08:31 AM   #3
PHATsuby
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to stock is a project too

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That rules. Nice work.

Is that all fused? Do you think it is fine for the exhaust AFTER the downpipe to just be fused and not have any issues? Or what is your opinion on that?

Thanks!

Ben
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Old 05-13-2011, 03:33 PM   #4
kcpaz
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Mexico Blue (not red)

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The car definitely does not need 4" exhaust with it's current set-up. I just built what the guy wanted. It's VERY loud. I'll try to remember to get some video before he picks it up.

The welds are not autogenous welds. Filler was used. Even if it wasn't, there are a lot of automotive fab guys who "fusion" weld exhaust systems and I don't really think it's an issue most of the time as long as the welds aren't severely under-cut.
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Old 05-13-2011, 04:42 PM   #5
PHATsuby
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to stock is a project too

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Quote:
Originally Posted by kcpaz View Post
The car definitely does not need 4" exhaust with it's current set-up. I just built what the guy wanted. It's VERY loud. I'll try to remember to get some video before he picks it up.

The welds are not autogenous welds. Filler was used. Even if it wasn't, there are a lot of automotive fab guys who "fusion" weld exhaust systems and I don't really think it's an issue most of the time as long as the welds aren't severely under-cut.
what size and type of filler do you use? I only ask because it looks so uniform like there is zero added material(obviously probably the mark of a great weld ).

Last question I just want to try and emulate a great welder so I know i'm sucking if I can't achieve the same appearance. Do you pulse when doing this type of stainless or do you just keep a constant amperage and just dab the rod as you go?

Thanks! That would have been a fun project.

Ben
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Old 05-14-2011, 08:16 AM   #6
King of Poop
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Location: Greensboro, NC
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Where can I get some cake

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shawing!
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Old 05-14-2011, 04:53 PM   #7
kcpaz
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1998 Legacy GT
Mexico Blue (not red)

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Quote:
Originally Posted by PHATsuby View Post
what size and type of filler do you use? I only ask because it looks so uniform like there is zero added material(obviously probably the mark of a great weld ).

Last question I just want to try and emulate a great welder so I know i'm sucking if I can't achieve the same appearance. Do you pulse when doing this type of stainless or do you just keep a constant amperage and just dab the rod as you go?

Thanks! That would have been a fun project.

Ben

for the 16 gauge 304 S.S. stuff I use .040" or .035" 308 filler and yes, I typically use a pulser for this kind of welding.
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Old 05-14-2011, 08:50 PM   #8
Uncle Scotty
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OK Houston
we have an Uncle

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w 0 w

just w 0 w
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Old 05-15-2011, 09:51 PM   #9
PHATsuby
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to stock is a project too

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Quote:
Originally Posted by kcpaz View Post
for the 16 gauge 304 S.S. stuff I use .040" or .035" 308 filler and yes, I typically use a pulser for this kind of welding.
Awesome thanks for the info! Looks sweet.

Ben
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Old 05-17-2011, 03:44 PM   #10
kcpaz
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1998 Legacy GT
Mexico Blue (not red)

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Somebody asked for a video so I was able to capture a short one as the owner was driving away. It's at the bottom of the page...

http://www.precisionchassisworks.com...4-exhaust.html
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Old 05-20-2011, 12:01 AM   #11
Loomin
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Autech Ver.

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jesus thats LOUD! lol
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Old 05-21-2011, 01:35 PM   #12
Anthonydinatale
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Sounds amazing. Good work
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Old 06-10-2011, 08:30 PM   #13
Rapier46
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****in SICK!!!!!!!

I made for inch for my gtr, and man was it ever incredible.
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Old 06-12-2011, 04:49 PM   #14
foolio
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black

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I think its awesome. Great quality, fitment looks great, sounds great. Cant beat that.
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Old 06-13-2011, 10:34 AM   #15
karlknaupp
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Chapter/Region: Tri-State
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2004 WRB WRX
'10 WRB STI SE stg2

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Wow that looks great. How much?
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Old 01-27-2012, 07:17 PM   #16
scoobie wagon
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wow thats a loud exhaust looks good tho. someone spent some time make them bendsand welds. nicely done
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Old 01-27-2012, 11:32 PM   #17
NorthSideRacing
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nice work
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Old 01-28-2012, 08:51 AM   #18
02WRX<3
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Silver and Black

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sounds just like my old straight pipe on my 02, very annoying. But well done building it to the builder, looks very nice and top quality welds.
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