Need help with picking the right highflow cat (EF gsr)
Well here is the deal, I have a 91 hb-si with b18c1 swap & stock header.
I also have my stock ef hb si cat & entire exhaust piping still on it.
I wanted to replace my old OEM cat with a new CarSoundCat. The problem is I don't know which one to get.
*what is the collector size of GSR header ?
*what is the size of EF exhaust piping?
I also have my stock ef hb si cat & entire exhaust piping still on it.
I wanted to replace my old OEM cat with a new CarSoundCat. The problem is I don't know which one to get.
*what is the collector size of GSR header ?
*what is the size of EF exhaust piping?
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drew2
Honda CRX / EF Civic (1988 - 1991)
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Jul 20, 2005 05:31 AM



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