Maybe I can get an exemption with a split exhaust. 2 tubes 2 cats then 1 tube over axle

and into a muffler.

something like this

these guys have une installed:

another

yet another

Thats looks like a killer setup. Why would you need an exception?? Is it a local law thing?

hmm those little presilencers look like cats, i wonder if 2 cats would work?



mike

I know this usually always starts some kind of debate, but don't cats impede the flow? therefore 2 cats would be even worse?? or if theres two pipes, one per pipe is it less constrictive than 2 pipes into 1 pipe? I'm thinking the latter, though I could be wrong... https://www.nopistons.com/forums/pub...1047683561.gif

i think the latter too although i'm not sure either. here in the peoples republic of california they want us to pass smog



mike

Yeah,theres smog police in north america(none here thank god).You Aussie FB owners have it easier than those guys in the states.But I have the limitless restrictions too.https://www.nopistons.com/forums/pub...#>/biggrin.png