Tuning Conundrum

[re-rx7]

Originally Posted by TrueStreetTim When you remove the cat's with no tune changes, it indeed becomes rich. But it actually over-richens itself so much so that it's a power losing state of richness. It exhibits that state under cruising, WOT the whole bit. Not just decel. So, yes. If you delete cat's you'll need to make more changes to the computer than the car is able to handle on it's own or simply turning off a code.

Thanks for the input Tim.