Will a stock EM1 cat fit a JDM 4-1

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Jun 1, 2007 | 09:14 AM

BoostinEJ1

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From: New York

Will a stock EM1 cat fit a JDM 4-1

I think it won't but I wanted to double check. Thanks

Jun 1, 2007 | 09:17 AM

Padawan

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From: Mustafar

Re: Will a stock EM1 cat fit a JDM 4-1 (FBP_EM1R)

No, you'll need something with a larger flange to mate with the 2.5" collector. Pairing the better-flowing header with the stock cat would create a bottleneck anyway.

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