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| FORD4EVA |
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Whats the difference between the two. Ive been told the stainless have 3 times the size holes that ceramic ones have. I'll be getting the stainless but wanted to know if they really flow better than ceramic to justify the price. $400 ea
_________________ PACEMAKER 4480, SS H/F CAT, 2.5" REDBACK, INTAKE PIPING, K&N PANEL, PIONEER TV |
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| MadMatt |
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I hae a Supercat S/S. There is no noticeable power loss over no cat at all, it also sounds better.
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| FordFairmont |
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Posts: 6113 Joined: 8th May 2007 |
No difference in my opinion.
Have you seen the inside of a cat in good condition? They dont really look like theyre gonna flow any better than they already do, apart from larger diameter flanges. |
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| FORD4EVA |
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I've been told by 4 exhaust shops that the stainless flow heaps better than any original. One also said there's no point doing the whole system if your not going to replace the most restrictive part of the exhaust, which makes sense. Ive read on here that the standard ones are good, but everyone i talk to say's different.
_________________ PACEMAKER 4480, SS H/F CAT, 2.5" REDBACK, INTAKE PIPING, K&N PANEL, PIONEER TV |
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| GeZza200 |
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I had the standard CAT on my system for a while, with my pacemakers and the full exhaust. When i put the S/S CAT on it made it heaps louder but i couldn't really tell any difference in power. Maybe on the dyno it would show an increse
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| Darkr |
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Take the magnaflow metal cat, best option.
Don't pay ~400 though, the place I got my extractors fitted wanted 380, got it for 220 off ebay. Fitted today, it's great 
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| FORD4EVA |
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Darkr wrote: Take the magnaflow metal cat, best option. You're right, $220 from ebay. Used that to bargain down the zorst shop. Thanks
Don't pay ~400 though, the place I got my extractors fitted wanted 380, got it for 220 off ebay. Fitted today, it's great
_________________ PACEMAKER 4480, SS H/F CAT, 2.5" REDBACK, INTAKE PIPING, K&N PANEL, PIONEER TV |
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| twr7cx |
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Surely the ss vs ceramic also varies depending on the brands?
Or are all high flow cats stainless and all factory cats/stadnard cats ceramic? |
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| FORD4EVA |
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twr7cx wrote: Surely the ss vs ceramic also varies depending on the brands? You can get high flow ceramics.
Or are all high flow cats stainless and all factory cats/stadnard cats ceramic?
_________________ PACEMAKER 4480, SS H/F CAT, 2.5" REDBACK, INTAKE PIPING, K&N PANEL, PIONEER TV |
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| cjh |
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The CAT i have is a German brand, Zuna-Starker, has ceramic internals and S/S outer.
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| XH5LWEPN |
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Also the ones with stainless insides dont break up as fast as the ceramic ones do. I'm running the stainless "metalcat/xforce" ones on mine.
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| cjh |
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I have seen one of those melt and block up the exhaust.
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| XH5LWEPN |
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cjh wrote: I have seen one of those melt and block up the exhaust.
Shocking state of tune? That'll kill any cat.
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| fordfreak ef |
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XH5LWEPN wrote: cjh wrote: I have seen one of those melt and block up the exhaust. Shocking state of tune? That'll kill any cat.  -And it was not me that did it!! 
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| cjh |
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XH5LWEPN wrote: cjh wrote: I have seen one of those melt and block up the exhaust. Shocking state of tune? That'll kill any cat. It was on a turbo Rotary RX7, an import model, with a twin 3" exhaust. Before the CAT blocked up, it was doing 10.2sec 1/4's on street tyres as run on the street.
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