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Different Cat.

  • wanderinstar
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13 Jan 2012 10:12 #30812 by wanderinstar
Different Cat. was created by wanderinstar
A while ago I remember reading something about the normal cat has 400 holes/sq.in . The cat this person was talking about had 100 holes through it. I presume the holes were of a greater diameter in the 100 version. This, I think, would generate less back pressure in the system.
Anyone got any ideas.
Ian.

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  • toph
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13 Jan 2012 12:08 - 13 Jan 2012 12:10 #30815 by toph
Replied by toph on topic Re: Different Cat.
yes 400-600 on a standard cat. its measurment is cells per square inch. the lower the number the bigger the voids between the walls of the cells, the bigger the gaps between the walls the better the flow.

sports cat can be had any where these days even ebay have them listed for around 90 quid for a 200 cell unit.


[strike]my cat is a 1 cell [/strike] ;-) that wouldn't quite work as the cat box is bigger than an inch! I have no cellls.
Last edit: 13 Jan 2012 12:10 by toph. Reason: not very good with volume calcs

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  • Municipal Waste
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19 Jan 2012 21:05 #31370 by Municipal Waste
Replied by Municipal Waste on topic Re: Different Cat.
When my exhaust goes I'll have a zero cell cat :lol:

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  • ZookFastback
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20 Jan 2012 05:38 #31380 by ZookFastback
Replied by ZookFastback on topic Re: Different Cat.
Yep, it was me that posted about the sports cat. The holes are over 4 times larger and the sound out the rear, when coupled with 2" system and hotdog rear muffler, is AWESOME. Backing off especially, the burble is to die for ;)

Oh, and the car runs better too, but the sound was what I was chasing!

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  • ZookFastback
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20 Jan 2012 06:05 #31382 by ZookFastback
Replied by ZookFastback on topic Re: Different Cat.
Here is a link to the sound...




well, I hope it works this time.

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  • wanderinstar
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20 Jan 2012 08:35 #31390 by wanderinstar
Replied by wanderinstar on topic Re: Different Cat.
That sounds awesome. What is the make and model of cat and what is a Hotdog rear box?

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