this is why I don't post anymore.
Do you have any idea the amount of development work I did on my k11?
The testing with and without a mesh was very low on my list. Common sense I would think would normally explain this.
Ahh ###### it, I won't post my opinions anymore.
Turbulent flow is good flow, also it will make 0.0000000001% of a difference to your performance. Where as the crap I have seen gather on here will make a difference to your performance if it ends up in your engine.
I'd go for a 2/2.5" system with a CAT in the location of the standard second one. One K11 owner I know uses a gtir CAT on a 2.5" system (with appropriate engine management) and passes his MOT no problem.
For info, a turbo will almost always IMPROVE/REDUCE emissions, not make them worse. A too...
that board there is not a late UK ecu, that is an early UK ecu.
You can get the board that will work for that at grid.co.jp it is labelled as "ROM Board K11 First half" on grid.
oh, and s15 board will work with late UK ecus
you know what, mis-read the post!
S14a / S15 should work, just to...