Quote:
Originally Posted by MTCRX
I am not sure why expectations about the catted FT86 Speed Factory don't seem to be met by some of the posters here. I installed mine early last summer, in June, and added an ECUTEK tune set up by Speed Factory at the same time. I sent their tuner run logs using the EcuTek software and he would make adjustments to the program. With each tune I could definitely feel an improvement in performance. It took three program modification to get to the setup I now have. I raced at a number of autocross events the rest of the summer and drive my car regularly and have had no issues. I am quite certain I am getting much better performance, and quicker throttle response with the header and tune. Gas mileage is the same if not better. I think without a tune the improvement in performance is there, but is not maximized. I am very pleased with the improved and noticeable performance of my car, especially when racing. I would be surprised if a non-catted header and no tune would make a noticeable improvement, slight maybe. With these types of mods you should expect small, modest gains, and each mod will not raise the performance significantly. It is a tuned 2.0L engine and you can get some improvement, but shouldn't expect turbo performance.
I have Perrin filter in the stock intake box, Perrin intake tube, Catted FT86 header, Invidia overpipe and resonated mid-pipe and TRD catback and run premium gas and have no issues and no CELs. I too will show myself out.
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I agree with you. Some people must have had unicorn type power in mind when they bought this header. Now in my case I love the header and I'm also not expecting to make a ton of power with just the header. Which is why I also have a nameless combo pipe, ft86sf v1 cbe, grimmspeed intake and an oft running stg1 grimmspeed tune (not dialed in tune like yours but pretty good).
I will say that it is fact that uncatted headers will make more power. And as long as I don't get too loud I'd like to make a little more power with a ft86sf designed catless header.