Bang for the buck exhaust: Take off Nismo (NOT the S-tune)
Bang for the buck CAI: smooth tubes plus panel filters OR (for a bit more power) used Stillen Gen 3.
Bang for the buck best overall mod: ebay test pipes. Too raspy, next best option would be used set of resonated test pipes or resonated high flow cats.
Biggest PITA install but best likely gain for the money: any long tube headers + tune.
Individual results may vary...
Easiest (but not cheapest...) suspension mods: Any aftermarket sway bars (anything stiffer than stock is noticeably better), Koni yellow shocks (non adjustable) + swift sport springs. Impossible to be unhappy with this combo in terms of handling and an attractive (but not punishing) drop.
Cheapest and easiest suspension upgrade would probably be take off Nismo sways, shocks, and springs -- better than regular Z (at least up to 2012 -- they changed the shock/spring combo in 2013 allegedly), but not nearly as good as the combo I recommended.
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Enjoy it. Destroy it.
Last edited by Jordo!; 09-06-2013 at 06:32 PM.
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