Brock's 08 Pete 389 engine swap(Yellow to Red?)

[Brock]

(03-23-2020 )Rtrucking Wrote:  One thing I did find out is cat engine have to have catalytic converter in the mufflers and Cummins did do that, just to let you know you might want to put some new mufflers on or have that restriction knocked out in the ones you have

I've got baffles welding in my Can and am running Donaldson high flow mufflers.

Thanks for the info!