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> Making a Sport muffler for a /4 Header, using a 911SC Muffler. Project "tri-tip"
Aaron Cox
post Nov 11 2006, 09:39 PM
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Ok, so i have a eurorace header. 4-1 hits a "turbo" muffler behind the trans and exits out the stock location...

what i would like to do, is make a Sport/GT muffler with the 2 tips and maybe even have the stock third outlet out the stock location... but retain the "bannana" shape

want the look and a gnarly sound, but can i make it work and look ok with a header system?

so i guess i would need a stock 4 or 6 or 911 bannana to gut.. and then weld up the inputs and weld a single 2.5" inlet from the collector?


your thoughts?

would look cool, may offer a bit of performance (uncork the sport pipes/cap em on the street), and hopefully sound cool.

Opinions welcomed.


-This look-
(IMG:http://www.patrickmotorsports.com/img/parts/547.jpg)
with this style /4 header system
(IMG:http://www.914world.com/bbs2/uploads/post-219-1163303012.jpg)
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Twystd1
post Nov 11 2006, 10:03 PM
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You don't want to know... really.....
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Yes
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sixnotfour
post Nov 11 2006, 10:07 PM
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use a sc , carrera muffler single inlet /outlet, Flip it so the inlet/outlet is on the right (for your header) Do the uppfixxin sport mod .....done.
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Aaron Cox
post Nov 11 2006, 10:38 PM
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fountit - unfortunately the SC/Carrerra mufflers are waaaay different.

(IMG:http://members.rennlist.com/tweedt/sptmuff.jpg)
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VegasRacer
post Nov 12 2006, 06:45 AM
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QUOTE(Aaron Cox @ Nov 11 2006, 07:39 PM) *
Opinions welcomed.


Throw away your orange ear plugs and get a pair of these - (IMG:style_emoticons/default/wink.gif)

Attached Image

*(you'll look cool - chicks will dig it)
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JPB
post Nov 12 2006, 08:33 AM
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Sorry for the post deletion since it was not what you asked for and would have put me in a "Post Hijacking Hoe" catagory. Assuming noone has labeled me that yet (IMG:style_emoticons/default/biggrin.gif)

(IMG:style_emoticons/default/boldblue.gif) (IMG:style_emoticons/default/boldblue.gif) Just to be ahead of the bitchers and complainers.

I like the exhaust idea (IMG:style_emoticons/default/thumb3d.gif)
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i love porsche
post Nov 12 2006, 09:10 AM
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crazy..i want to do the exact same thing with my car....post pictures of how you do everything please
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Joe Bob
post Nov 12 2006, 09:53 AM
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Why bother?

Just unbolt it and attach a Supertrapp on the end.....looks like a big schlong....when the Betty's inquire, you simply say....mine's the same size.....

Then they'll ask....do ya have Mike's phone number?????
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Aaron Cox
post Dec 8 2006, 06:50 PM
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ok- winter break is here... project time...
this is easily doable.....

so i got a FREE + shipping deal on an SC muffler....
here is the lovely peach ....err.... surgery victim

Attached Image
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i found a thread on gutting SC/Carerra Mufflers on Pelican.

this is what they do...

open it up. remove center bulkead and baffles....
Attached Image

and here is a view from each end...
Attached Image
Attached Image

the gutted center section
Attached Image
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Aaron Cox
post Dec 8 2006, 06:52 PM
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then all i gotta do is make the 2 center exits... and im inbusiness....


should start on it this week... tempted to go cut it open right now
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xitspd
post Dec 8 2006, 06:58 PM
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MK muffler will build you anything you want in stainless. I am having a GT type (Dual Outlet) build for my car as we speak. Contact Dave B. at TRE Motorsports. I will email you pics when I get the car back.

Take care,

Dan
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Aaron Cox
post Dec 8 2006, 07:01 PM
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that takes all the fun out if it dan!

just bored without a project - and this seems like a no brainer.. (IMG:style_emoticons/default/smile.gif)

how you been man?

AA
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post Dec 8 2006, 08:11 PM
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good thread...im going to have to bookmark this for further use...what are you going to do about the outlet pipes?

i think that megaphone outlets would look sick...
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Aaron Cox
post Dec 8 2006, 08:17 PM
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i was gonna do twin 2" pipe.... about 6" or so long....

ive seen the megaphone idea done before.... not sure its my thing
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So.Cal.914
post Dec 8 2006, 09:32 PM
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Aaron will that not be as loud as LAX,,, not that I mind.
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Aaron Cox
post Dec 10 2006, 06:22 PM
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PROGRESS!

so today the bannaner went under the knife...

my internals were a bit different then the pelican article seen here-
http://forums.pelicanparts.com/showthread....threadid=181627

my nanner is from an SC and is about the same as a carerra...

so i opened it up.... what a PITA the spotwelds were (6 of em) about 5/8" diameter...
pilot hole kept wandering.... so i had to use a 1" hole saw.... (get to weld up those holes later....)

bgean cutting.
you can see the big ol holes to drill out the bulkhead spotwelds....
Attached Image
so the top was open now take out the innards....
Attached Image
Attached Image

went thru 4 cutting discs, 3 sawzall blades and some hammer and chisel work to remove it all.... took a few hrs..... wish i had a torch...

a view into each side....
Attached Image


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Aaron Cox
post Dec 10 2006, 06:27 PM
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just a remock up to make sure the shape hasnt changed....
Attached Image
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now in this pic.. you can see where the outlet of the header is on the opposite side of the car...the inlet will have to be relocated...
Attached Image

chop chop the inlet. will be capped.... and relocated....
Attached Image


i will post a schematic of how i plan to mount/hang it off the trans, and where the inlet will be plumbed...
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seanery
post Dec 10 2006, 06:33 PM
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lookin' cool Aaaaaaaaaaaaaron.
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Joe Bob
post Dec 10 2006, 07:36 PM
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Nothing a SUPER Sawzall couldn't have fixed in a minute or two......
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DanT
post Dec 10 2006, 07:50 PM
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how does the weight compare?

by getting rid of a full bodied turbo muffler and the pipes, I would think it might be a bit lighter. (IMG:style_emoticons/default/smile.gif)

I will be interested in seeing how this turns out. I might try one myself...

I have a super light muffler for tracks where sound is not a problem...


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