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-   -   Help! Muffler Bracket - Which Way Is Up? (http://986forum.com/forums/performance-technical-chat/64731-help-muffler-bracket-way-up.html)

Dave80GTSi 12-20-2016 11:59 AM

Help! Muffler Bracket - Which Way Is Up?
 
Guys - Need your kind assistance on this one!

I am ready to hang my new (used) Dansk sausage muffler, and I have noticed that the horizontal hanging bracket has offset holes for the main support bolts. I did not catch this subtle difference during disassembly, and so I now have a 50/50 chance of putting it wrong side up since this horizontal bracket can be fitted either way round.

See enclosed pictures of the backside of the muffler, where I have noted that the dimension from the edge to the bolt centerline is about 31 mm down and about 18 mm up from the bottom, as I have it installed at the moment.

Is this the right way up?

Or, do I have it bass ackwards, and the 18 mm distance goes towards the top, while the 31 mm is down towards the bottom edge?

This muffler is heavy, and I do not fancy the idea of having to uninstall it after discovering too late that I have it the wrong way up!

With many thanks - DM

http://986forum.com/forums/uploads02...1482267492.jpg
http://986forum.com/forums/uploads02...1482267510.jpg

Boxtaboy 12-20-2016 12:25 PM

It looks like you have it right. See pics below...there seems to be more space above the center bolts than under it.

Boxster S By-Pass Muffler Done!!!! - Pelican Parts Technical BBS

JFP in PA 12-20-2016 12:26 PM

Quote:

Originally Posted by Dave80GTSi (Post 520176)
Guys - Need your kind assistance on this one!

I am ready to hang my new (used) Dansk sausage muffler, and I have noticed that the horizontal hanging bracket has offset holes for the main support bolts. I did not catch this subtle difference during disassembly, and so I now have a 50/50 chance of putting it wrong side up since this horizontal bracket can be fitted either way round.

See enclosed pictures of the backside of the muffler, where I have noted that the dimension from the edge to the bolt centerline is about 31 mm down and about 18 mm up from the bottom, as I have it installed at the moment.

Is this the right way up?

Or, do I have it bass ackwards, and the 18 mm distance goes towards the top, while the 31 mm is down towards the bottom edge?

This muffler is heavy, and I do not fancy the idea of having to uninstall it after discovering too late that I have it the wrong way up!

With many thanks - DM

http://986forum.com/forums/uploads02...1482267492.jpg
http://986forum.com/forums/uploads02...1482267510.jpg

You have it in the correct position.

Gelbster 12-20-2016 01:52 PM

Good luck with the 2 "U" shaped exhaust tubes when refitting. Let us know how it goes?

Dave80GTSi 12-20-2016 02:20 PM

Excellent! Many thanks!
 
Thank you Boxtaboy and JFP for the confirmation - it was just down to dumb luck that I attached it as I did, not noticing the spacing difference until after the fact.

But I do now admit that I find it quite odd that this part does not come with any sort of a "This Side Up" marking, as it is obviously super easy to flip it around the wrong way.

Gelbster, I know what you mean about those U-pipes! But that will be work for tomorrow, as I am working in an unheated garage and I am done for the evening.

Since this issue has come up, here's a couple of work-in-progress pictures of one of my pair of gutted secondary cats. I cut the end of the canister off with a band saw, removed the heavy (7 pounds each!) metal honeycomb core, and then rewelded the end cap back on it.

End result should be a nice stealth look (disclaimer: for off-road use only of course).

Thanks - DM

http://986forum.com/forums/uploads02...1482275808.jpg
http://986forum.com/forums/uploads02...1482275829.jpg
http://986forum.com/forums/uploads02...1482275848.jpg

Boxtaboy 12-20-2016 02:26 PM

Quote:

Originally Posted by Dave80GTSi (Post 520205)
But I do now admit that I find it quite odd that this part does not come with any sort of a "This Side Up" marking, as it is obviously super easy to flip it around the wrong way.

Since this issue has come up, here's a couple of work-in-progress pictures of one of my pair of gutted secondary cats. I cut the end of the canister off with a band saw, removed the heavy (7 pounds each!) metal honeycomb core, and then rewelded the end cap back on it.

End result should be a nice stealth look (disclaimer: for off-road use only of course).

Thanks - DM

Maybe some people did exactly that (install the other way), and thus it looks like their exhaust tips are touching the bumper cover. :) And wow!!....the canister looks like a major restriction!

Gelbster 12-20-2016 02:40 PM

Great work, but what about the Smog Test? Just get the engine fully warmed up ? That should work. But let us know?

Smallblock454 12-20-2016 03:19 PM

Quote:

Originally Posted by Dave80GTSi (Post 520205)
End result should be a nice stealth look (disclaimer: for off-road use only of course).´

<iframe width="560" height="315" src="https://www.youtube.com/embed/wYS47U3F4js" frameborder="0" allowfullscreen></iframe>

???

Regards, Markus

Dave80GTSi 12-20-2016 03:53 PM

Quote:


???

Regards, Markus
Ha! I should have said "track use" instead of "off road".

Don't think that the Boxster would make a good candidate for a Baja runner.

Thanks - DM

Dave80GTSi 12-21-2016 04:24 PM

Progress pictures from today
 
...... and yes, the bracket (see first post in thread) was indeed correct and right-side-up as noted by Boxtaboy and JFP, so thanks again!http://986forum.com/forums/uploads02...1482369807.jpg
http://986forum.com/forums/uploads02...1482369831.jpg

Boxtaboy 12-21-2016 04:35 PM

Cool! So how's the sound?! :)

Dave80GTSi 12-21-2016 04:47 PM

Quote:

Originally Posted by Boxtaboy (Post 520359)
Cool! So how's the sound?! :)

Don't know yet; ran out of time today. Will complete the job and take it for a spin tomorrow.

But I should be the one asking you this, as I see in your sig that you already have this same muffler, right? How do you like it?

Thanks - DM

Boxtaboy 12-21-2016 05:12 PM

Quote:

Originally Posted by Dave80GTSi (Post 520363)
Don't know yet; ran out of time today. Will complete the job and take it for a spin tomorrow.

But I should be the one asking you this, as I see in your sig that you already have this same muffler, right? How do you like it?

Thanks - DM

I don't have the sausage type. I have the pressed sport with super sound tips. Sound is more throaty than OEM with hardly any of that annoying whine of the stock muffler when the revs drop. It's not as aggressive sounding as a PSE hacked muffler though, as it doesn't start getting loud till over 4K rpms. There's also no drone at all which I think the sausage type has a little of. I don't have gutted 2ndary cats though, so I think yours will sound better for sure!

http://i869.photobucket.com/albums/a...psv2gvxh8g.jpg


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