I'd plan everything in advance to prevent going down blind alleys. The Invidia N1 will be really loud when paired with a header, and different combinations of header, overpipe, front pipe, and cat-back exhausts can sound very different, so plan accordingly. I did my entire exhaust and tune at the same time, but if you can't do that then keep in mind that you can add the overpipe, front pipe, and cat-back exhaust without a tune, but you'll need a tune when you add a header - this sounds obvious, but it may factor in the order you do things.
My exhaust consists of:
- ACE 4-2-1 Type-A 350 equal length header (ceramic thermal coated)
- Motiv catted front pipe (ceramic thermal coated)
- Blitz Nür Spec R stainless steel exhaust
- EcuTek Pro ECU programming and datalogging kit
- Delicious Tuning - ECU reflash/stage 2
Good luck and have fun!
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