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Jon-
You're an '96+ NJ car, so all you need to do is pass a visual inspection & not have a CEL on. Those "high flow bullet cats" will be fine for a visual check.
As far as the y-pipe itself, I'd be more concerned with fitment as well. ARH doesn't seem to be as interchangeable as other brands. With that said, I have a TSP adjustable ORY that I somehow managed to persuade on, between my ARH 1-7/8 & Magnaflow. If I could do it again, I'd either go with a ARH Y as well, or try my luck with TSP's new 3" over-the-axle true dual system.
Adam-
I believe the new TSP stuff is 304.
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1995 Firebird... Stock-ish.
Quote:
Originally Posted by LS1ow
Good. He microwaved my phone 6 years ago, i hope his intake erupts.
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