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S5 cat removal, what to do with air hose?

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Old 11-06-03, 02:42 PM
  #26  
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Originally posted by poor college student
so on an s5, i can cap it and just find a way to get it held up and i'll be fine?
Cap it at the engine, then you don't have to support anything.
This only applies to during the installation of a exhuast system where the main catalytic convertor is being removed.
Old 11-06-03, 02:45 PM
  #27  
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Originally posted by Templeswain
However this is the exhaust system I have.

http://www.mazdatrix.com/pictures/racing/r8-rb.jpg

It is sold for the 86 through 92 completely and does accomodate for the hose..:
RAcing beat specifies that system as being for the 86-88 only, and has there own presilencer without the pipe on there website.
Check for yourself at:
www.racingbeat.com
go to 86-92 section, then scroll down to exhaust components. You will see the difference in the presilencers.

Mazdatrix needs to either update thier website, or offer both sets of available products.
Old 11-06-03, 02:50 PM
  #28  
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By your philosophy, the catalytic convertors were put there for a reason, by Mazda, yet you removed them. Same thing applies here.


I guess so. But just capping stuff off sometimes has backfired when I simply assumed I "didn't need it"

So if I sit down and think about it, the cats I replaced with a presielncer for the reason of better flow, not just simply because I didn't need them. Since RB put the hose outlet on the presielncer in my system for the S4 and S5, I'll hook it up too. The philosphy does apply.

Old 11-06-03, 02:54 PM
  #29  
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Originally posted by Templeswain

By your philosophy, the catalytic convertors were put there for a reason, by Mazda, yet you removed them. Same thing applies here.


I guess so. But just capping stuff off sometimes has backfired when I simply assumed I "didn't need it"

So if I sit down and think about it, the cats I replaced with a presielncer for the reason of better flow, not just simply because I didn't need them. Since RB put the hose outlet on the presielncer in my system for the S4 and S5, I'll hook it up too. The philosphy does apply.
LOL, I think everyone learned that at some point. Ever capped off the Oil Vapour systems? ha ha ha.

Also, I think you missed the point. RB did NOT put the hose outlet on their current S5 presilencer. You can't connect the split air hose with the system the provide.
I know, I recently installed one.
Old 11-06-03, 02:57 PM
  #30  
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This is RB's current S5 presilencer. Where would you connect the split air pipe? There is no provision for it, you would have to custom weld weld it.
Old 11-06-03, 03:00 PM
  #31  
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Here is the one for S$'s, with the pick-up attached for the split air pipe feed.
See what I mean?
Old 11-06-03, 03:07 PM
  #32  
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RB did NOT put the hose outlet on their current S5 presilencer


Hmmm I wonder what the effect would be if I took it off and capped it because I got my set up from mazda trix a few years back when I was running my s4 and I now have an s5. I put my RB set up on it....Though the 91 does now have an s4 block in it.

I assumed the set up uniform for s4 and s5 because it said 86-92.....

I think it may be time for a cap or a new s5 presielncer....
Old 11-06-03, 03:09 PM
  #33  
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Originally posted by Templeswain

RB did NOT put the hose outlet on their current S5 presilencer


Hmmm I wonder what the effect would be if I took it off and capped it because I got my set up from mazda trix a few years back and I now have an s5. I put my RB set up on it....Though it does now have an s4 block in it.

I assumed the set up uniform for s4 and s5 because it said 86-92.....

I think it may be time for a cap or a new s5 presielncer....
There would be no effect.
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