Originally Posted by weverb
Why are you adding a cat. It sounded so good without one!
IMO, the h/f cat doesnt rob too much boxer bumble sound. it is a pleasant change for me to have one cat that is very far downstream from the d/p (and outlet).....
from what i have researched, the h/f metal substrate cats do not cost any power loss when properly tuned. this is why i decided it would be a good change...
/hijack