Which to modify? S2000 vs ISf
My money would go towards the S2000 but I am a little biased 
. An S2000 with a couple simple changes is a weapon around a track or twisty canyon road. It will never be a "fast" street car short of forced induction but if you have a clean example and an IS-F (which is a better, more fun street car anyway) then my honest advice is to not try and make the S2000 into something it's not (a straight line car). I have an AP2 (MY06) and I thought it was important to keep it limited to tasteful, reversible modifications that build on the original ethos of the car (a small momentum car that has a HUGE appetite for corners and braking zones 
). If you autocross and want to spend money and enjoy modding the S2000 I would recommend starting with a good set of tires and brake pads. If you want to get more into it then look into a wider set of non-staggered wheels and a good suspension setup that wont break the bank (e.g. 17x9 square with Öhlins DFV and maybe a larger adjustable front sway bar). There are some useful power mods but they don't necessarily offer a great value so that would be the last thing to cover, in my opinion. I ended up keeping the stock intake and headers since they are actually very good and just changed out the stock cat for a test pipe and a cat back exhaust and finally Hondata with a custom tune by Jei at Blacktrax (Honda tuning wizard) to lower the VTEC crossover from 6,000 to 4,500rpm... picking up only ~10whp up top but ~30wtq in the midrange which helped with drivability.
-Matt M.
. An S2000 with a couple simple changes is a weapon around a track or twisty canyon road. It will never be a "fast" street car short of forced induction but if you have a clean example and an IS-F (which is a better, more fun street car anyway) then my honest advice is to not try and make the S2000 into something it's not (a straight line car). I have an AP2 (MY06) and I thought it was important to keep it limited to tasteful, reversible modifications that build on the original ethos of the car (a small momentum car that has a HUGE appetite for corners and braking zones ). If you autocross and want to spend money and enjoy modding the S2000 I would recommend starting with a good set of tires and brake pads. If you want to get more into it then look into a wider set of non-staggered wheels and a good suspension setup that wont break the bank (e.g. 17x9 square with Öhlins DFV and maybe a larger adjustable front sway bar). There are some useful power mods but they don't necessarily offer a great value so that would be the last thing to cover, in my opinion. I ended up keeping the stock intake and headers since they are actually very good and just changed out the stock cat for a test pipe and a cat back exhaust and finally Hondata with a custom tune by Jei at Blacktrax (Honda tuning wizard) to lower the VTEC crossover from 6,000 to 4,500rpm... picking up only ~10whp up top but ~30wtq in the midrange which helped with drivability.-Matt M.
Last edited by SpeedFreaksUSA; Apr 4, 2017 at 02:21 PM.
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Joined: Jan 2016
Posts: 221
Likes: 13
From: IL
I have had both and would say the same as most others. I would mod the S2k. The ISF is great with a few small things. The S2k is like a new car with some serious mods in terms of both performance and looks.
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