misterZ Posted August 19, 2009 Share Posted August 19, 2009 I will soon be doing an SU carb swap on my stock L6 (NA) `77 280Z and installing new PaceSetter 3-2-1 headers at the same time. I obtained a complete 2" exhaust pipe (w/o CAT) from another member with the intent to chop off the muffler and replace with an ANSA dual-tip resonator that has 1.75" inlet. My delimma is I'm removing a perfectly good 2.5" (possibly 3"?) exhaust system w/CAT and would like to know if I'm going to choke my engine and/or have any potential power loss/issues if I go with this new setup. I'm a little bull-headed and adament about using the ANSA tips just for the sound and nostalgic look but a little concerned about the reduction to 1.75" at the muffler. Thoughts? Quote Link to comment Share on other sites More sharing options...
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