See anything unusual? looks like a lot of misfire. plugs??????

Any ideas.........

I have a Trinity on a 2004 Dodge 3500 5.7 Hemi that's throwing 0420 and 0430 codes. Are there ant parameters that I can log or gauge to check the cats? Maybe exhaust temp an O2 or something like that?

I have the same issue with both a 420 and 430 code. Should we replace with cats or go without based on performance. I have a 3500 5.7 hemi and need all the low end torque possible. Also, where I live, there is no emission test.

I'm wondering it my cats are plugged. I have a 2004 Dodge Hemi 3500 and need all the low end pulling power that I can get. Would Hi flow cats help? The Trinity tuner has helped a lot!!!!
Also, thermostat was stuck and I installed a new one. This truck need ps to last 2 more years? Any Ideas would be ...

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Will my Trinity T1000 pull my pin and key code?

Today, installed a T1000 on my 3500 that pulls a goose neck trailer everyday. I had codes P0420, P0440 among others. I cleared the codes and tried several tunes.....Damn! it really loosened the halter on this truck. It really freed it up and for some strange reason, the codes are no longer there. I ...