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Subject JDM downpipes or gutted USDM precats?
     
Posted by rojoloco (Yokosuka, Japan) on March 04, 2007 at 6:18 AM
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Message I just stripped the JDM downpipes off my JDM TT motor that I am gutting. When I get back to the states, I might have to drop the tranny on my new Z to replace the clutch (hopefully it just needs a clutch pedal adjustment). If I drop the tranny, it would be a perfect chance to change out the precats.

The issue is the exhaust. I can pick up a used HKS for about $350. If I use the JDM downpipes, I'll need a JDM exhaust since they mount differently. If I gut the USDM precats, I'll just get an aftermarket USDM exhaust.

JDM exhausts do not have precats (hence, the downpipes). Would this setup be more beneficial than gutted precats? I know I could always buy aftermarket all the way from the turbos but that's more than I can afford right now.

Choices
  1. Go with the JDM downpipes and get a JDM exhaust.
  2. Just gut the USDM precats and call it a day.
  3. Neither. Think of the environment. :)
  4. I think you should _______. (please post your thoughts)
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