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thunderbolt cats/cats in general - ceramic or metallic?

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Old May 4, 2009 | 06:26 PM
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Default thunderbolt cats/cats in general - ceramic or metallic?
looking to buy some cats soon, and probably going with thunderbolts. anyone have any experience with these? i've read pretty much all positive reviews

also, is there a major difference in flow between the ceramic and metallic brick ones? any pros/cons besides price and ceramics generally blowing out faster?
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Old May 4, 2009 | 07:34 PM
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I have two of the metallic ones and they are fine. The inside of them look identical to the Magnaflow 59959 cats.
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Old May 4, 2009 | 09:15 PM
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i sell and install a lot of thunderbolts. seems to hold well unless raw fuel is sent through then they will break up easy.
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Old May 5, 2009 | 01:26 PM
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my car is tuned so it shouldn't be sending through much raw fuel. does this go for all cats?
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Old May 5, 2009 | 06:27 PM
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pretty much goes for all cats. the OE ones will take most abuse. the thunderbolts are nice since they are compact. and they pass inspection.
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Old May 8, 2009 | 01:14 PM
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thanks for the replies. ordering them tonight.
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Old May 8, 2009 | 02:24 PM
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Get metallic cores. The ceramcs are much more brittle and I have seen the insides break up after being scraped or bottomed out.
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Old May 8, 2009 | 11:11 PM
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yep those are the ones i ordered. need to quiet my car down a tad and it's just nice to know i'm pretty legal.
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