ZR1Gerhardt

Now that my warranty is up, I am looking at ways to increase power. I am looking at the normal items (pulley, snout, possible cam, etc.). I am just starting, but one issue I want to figure out is the melting cat issue. It is pretty clear the stock cats will likely melt.

So some thoughts are:

1. Gut the cats (not sure I want to do that, try to keep it pollution friendly).
2. LTHs without cats. If I decide to gut the cats, would it be better to go with LTHs w/o cats.
3. LTHs with cats. Are there any Cats out there that don't melt? I have seen many posts, but not a definitive answer. I have seen a few people have good look with ARH headers with cats? Any others?

Thanks for any advice you have.

Scott

TurboLX

4. Have someone who understands what the cat overtemp model does handle the tuning in the ECU and just calibrate it properly with your smaller pulley. Hint: running leaner than stock is a great way to destroy the cats.