De mandate exhaust Ideas

[JimT]

I've found myself more than once day dreaming about some system that looks stock but has free flow through the inside. PLUS a cab mounted switch that actuates an internal valve to divert exhaust flow through some filter medium. Strictly for short term usage, such as an inspection. Of course my biggest hang up is the question of heat reflection.

Just one of those things that would be neat to do, but likely not worth the time or effort needed.