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Old 09-13-2004, 19:14   #1 (permalink)
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Hi-Flow Cat's.......Which one to get?

What Hi-flow cats to people recommend or run, pros and cons?

All comments would be appriciated

Cheers
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Old 09-13-2004, 19:26   #2 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

I run twin Magnaflow 3" cats in mine. Magnaflow are a great quality brand but probably a bit more expensive than others out there. If you are looking at them for your I6, the stock one with just the openings brought out to 2 1/2" will handle up to 200rwkw which is plenty for most engines.
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Old 09-13-2004, 19:34   #3 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

Ive this about the standards but looking at them they seem to join up to the headers on about a 25-30 degree angle. Is that bad?
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Old 09-13-2004, 19:46   #4 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

Doesn't really matter what angle they are at, they do this to get the cats as close to the engine as possible which gives the least emissions. I assume you are running stock headers as most extractors run the cats well back under the car. Extractors would be the first step because they would be the biggest restriction.
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Old 09-15-2004, 03:43   #5 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

I run an HSV Cat.
Its one of the higest flowing STOCK factory cats.
But the AU ones once modified work nearly as well.
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Old 09-15-2004, 05:18   #6 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

Kerry, haven't got around to finding that part number yet? Cheers.
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Old 09-15-2004, 05:22   #7 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

I have one of the new JMM cats. Apparently they only rob about 2rwkw over a non cat system. I think it works so I'll recommend it.
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Old 09-15-2004, 05:27   #8 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

How much do they cost casper?
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Old 09-15-2004, 05:31   #9 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

Sorry mate, i forgot.
/Me is bad.
Ive gotta go see him tomorrow.
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Old 09-15-2004, 05:31   #10 (permalink)
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Re: Hi-Flow Cat's.......Which one to get?

Quote:
Originally Posted by donno
How much do they cost casper?
No idea, got it as part of my Dev 1.5 kit. I think mine was the 2nd one they fitted to a car, they are brand new. Just give Jim a call and ask him.
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