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flowmaster exhaust question

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Old 12-21-03, 04:33 PM
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flowmaster exhaust question

I happen to have a flowmaster 50 series in my basement, never used, and I was thinking about using it on my RX, but I remember reading something about them blowing out. Is that true?

I want to replace my Y-pipe with a dual out muffler and run straight from the muffler to the bumpers, for rear clearance (I hate scraping) and perhaps to keep room available for lowering. Would a Flowmaster blow out in such a situation?
Old 12-21-03, 04:39 PM
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It may. The rotary engine runs way hotter than normal engines. Some mufflers last a couple of miles is as bad as it it. but if its built well it may last a year or two.
Old 12-21-03, 05:08 PM
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If its placed in the same area as the mufflers(or close) it should be fine. Using it in place of say the cat, would likely kill it.
Old 12-21-03, 05:09 PM
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What about right behind the cat, in place of the Y?
Old 12-22-03, 09:09 AM
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Eats, Sleeps, Dreams Rotary

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I've had a single exhaust with a 50 series in the traditional place for a year now without any problems.

Last edited by Snrub; 12-22-03 at 09:12 AM.
Old 12-22-03, 09:53 AM
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Check your warranty. You may have to find it on their web site.
On some models is says not for rotary engines.

As was said above, the issue is the pre-silencer/cat location.
If it's too close to the hot hard sharp exhaust pulses of a rotary, they will bang the baffles loose.

If you are running a header instead to the stock iron box collector, the issue is amplified.
Old 12-22-03, 11:33 AM
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FLOWMASTERS sound like *** on a rotary. I tried it and took it off after 2 weeks
Old 12-25-03, 11:38 PM
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Eats, Sleeps, Dreams Rotary

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Mine doesn't and others have told me that the like the sound. It's a bit loud for me, so I'm probably one of the least enthusiastic about it.
Old 12-26-03, 01:46 AM
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i had one. it sounded fine, just a bit loud.
Old 12-26-03, 01:50 AM
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Originally posted by 1987RX7guy
It may. The rotary engine runs way hotter than normal engines. Some mufflers last a couple of miles is as bad as it it. but if its built well it may last a year or two.
how long would a RB full exhaust system last ?
Old 12-26-03, 03:57 AM
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I have a normal set of glass packs on mine and it gives it a nice tone and not to loud untill I stomp the gas.
Old 12-26-03, 04:51 AM
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this thread reminds me of good ol bubba rubb.... "they aint trippin off the flows" or something like that... so do it ! throw the flows on it
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