tpssonic. That is the big question. The dyno loops at 200rpm per second from 2500-6000 tend to get the whole exhaust system pretty toasty. Most of the exhaust is pretty straight untill you put the multiple bends after the muffs. Inducing some restriction. Airspeed under the car helps cool, I'm sure. The Westech Dyno rooms are pretty "windy". Next time if time permits I would like to install 3" inch tails on a 2.5" system. Maybe create some extra "pull" on the gas column.
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