Quote:
Originally Posted by coupe
(think Flowmaster or Super Turbo).
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Ya, think really crappy helmholtz resonators.
Assuming the stock exhaust system didn't drone, do you know how FoMoCo did it?
The optimist in me wants to believe that they had some trick resonator in the muffler. The cynic in me thinks they just had some highly restrictive design that pulled all the energy out.
Lots of good stuff here in -
http://naca.central.cranfield.ac.uk/...eport-1192.pdf