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I'll have to get me to a PC with speakers to check out the sounds from the links that Kyle posted.
Currently on my '74 Datsun 260Z I've got a ported (and a little polished) stock manifold that opens into a 2-1/2" mandrel st.st. exhaust. Not sure what the muffler is. Its cylindrical. Seems to be some sort of stainless. Maybe Dynomax? Sounds great. Got a big performance boost when I changed from 2-1/4" non-mandrel bent exhaust with a Flowmaster. That sounded good too, and I mostly attributed the performance difference to the nasty kinks from the non-mandrel bends. Before I swapped pipes I upgraded to a medium street cam. It really woke up with the improved exhaust.
Next to the Z the Volvo 145 needs all the help it can get. Improved exhaust system should help. Then if I save up, I'll build an engine with the "torque" cam!
Later, Al
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