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  • Talks Cheap, Let's Race
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  • Member For: 18y 5m 22d
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  • Location: Atherton, FNQ

depends on how much power you want. I got a hiflow cat and std exhaust and it is good for around 300-330 rwkw

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https://www.fordxr6turbo.com/forum/topic/83471-cat-needed/#findComment-1345761
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  • Here since the start...
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  • Member For: 22y 12d
  • Gender: Male
  • Location: Victoria

Cat back will result in SFA more power. Change the cat only if you're happy hacking up the stock exhaust or replace the dump and cat if you want the keep the stock exhaust intact.

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https://www.fordxr6turbo.com/forum/topic/83471-cat-needed/#findComment-1345765
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