If I were NA modding on a budget I'd do the following:
- Be patient and pick up a used FI exhaust (~$1k)
- Find a used set of test pipes or HFCs (if you don't mind the smell of unburnt fuel then the test pipes will yield slightly higher numbers) ($200ish)
- Order a set of Z1 MAF tubes and leave the rest of the intake system as is. Nissan did a pretty good job with the stock intake if you replace just the tubing. Most don't realize it but the OEM intake is a CAI. ($108 new w/out K&N filter, $216 with)
- Ecutek tune ($6-800)
So grand total of roughly $2k and you pick up 40whp or so.
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