Not Ranked
Well---if you don't need it???????
The use of a cross over or x pipe on RACE cars came about because the cylinders don't fire evenly on either side and adding a crossover allowed some of that extra exhause to exit down the other side piping--IE--from the x on back they shared the muffler/tailpipe---
The odds of you ever being able to utilize the extra power from an crossover exhaust in one of these cars is very mimimable and I would have to advise you not to let this stand in your way---
However, if NJ has some specific rules about exhaust, you need to get a copy of their exact wording, examine there intent and work around that. If they don't have specific demands about the exhaust, then you don't need to be concerned if you want one of these cars.
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