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Old 07-20-2010, 07:50 PM
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Originally Posted by nate1
import tuner did this test with a miata with a guted cat it lost power over a normal cat.


On newer cars, yes. But the cats on RX7's are old design and quite restrictive. You wont gain as much power as a race pipe, but you will gain power with a gutted cat.
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Old 07-21-2010, 12:37 PM
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Originally Posted by Baldy
Is is feasible to cut it in half, pull core out, and weld it back over the RB pipe? So it still retains the flow of the RB system, but looks like a cat for visual.


back in the day, the move was to buy a cheapie generic $50 cat, and take the shielding off and put it on the straight pipe
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Old 07-21-2010, 11:56 PM
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I'm disappointed, I thought this was about hello kitty.
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Old 07-22-2010, 07:42 AM
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Remember this? Anyone can buy one now.



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Old 07-22-2010, 02:16 PM
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Originally Posted by Baldy
Remember this? Anyone can buy one now.





I see a cat, but where's the catalyst?
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