Optimizing Exhaust Efficiency: Why Automotive Cats are Big

I mean, it’s big.
So for my understanding, the reason they do this,
I mean, obviously you can see the.
The wheel is nowhere near the size of the outlet of the turbo.
Yep. The reason they do this is so you get even flow over the cat.
Okay. They just use one cat to split the banks.
Um, instead of having, like,
a cat on each downpipe, they use one large one.
So actually make sure that cat’s heated across it.
Yeah, it is big.
To make sure it’s heated across it,
they use a big, big old outlet on there.
Keep everything evenly heated.
Kind of get the most efficiency out of the cat. Yeah.