Adjusting factory wastegate
 

So some people have stated that you can adjust the factory wastegate actuator in the Genesis to get more boost. This just seems like a bad thing to do, but was wondering what others thought about the idea of messing with it was. If it were me, I would just get a whole new wastegate, or a manual boost controller. Screwing with something that the factory sets, like this, is just asking for problems in my opinion.

It just depends on how the ECU reacts to increased boost. I honestly don't know the setup, but in most situations, you can just bleed off boost to the wastegate and that ends up being pretty reliable to a certain point. But if the ECU doesn't like increased boost and throws codes, then you'd have to fix that.

Most modern cars are too smart to use old-school tricks. I'm pretty sure the Genesis has an electronically controlled bypass valve (not a mechanical BOV). If the ECU sees an overboost situation, it'll most likely open the bypass valve and/or set a code. I'd just tune it. The boost can be turned up in the tune.

I'm running a tune now on it (canned tune) which upped the boost quite a bit, and I ended up tossing my HKS BOV for a Forge unit. I would never mess with the factory wastegate though. Too many things that seem like they could go wrong. I would rather just get a new manifold and aftermarket WG.