Originally Posted by Jrollsp
Can the valves be open or closed while driving at any speed? Would you guys be able to make a x-pipe that has HFC primary, secondary cat delete w/ resonators that doesn't throw CEL similar to the Fabspeed & AA ones for the people that worry about passing emission tests?
We don't delete only the secondary CATS because it makes no difference to power. This we have pressure tested and dyno power tested.
Primary CAT removal and emissions - no issue with a tune. We can do tunes which only deal with the CEL and nothing else if you want.