Quote:
Originally Posted by POWERSTROKE
The 478 cid V-6 in the single axle tractor Dad drove to the Peoria Stock yards one night 50 years ago seemed to do real good with just dual exhausts, no X-pipe. Old girl rattled the windows at 2 AM really good loaded. It was Dad's second trip there that day, I was supposed to keep him awake.
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I'm well aware that true duals work "real good". But if there was 10 or even 5 HP to be had out of an "X" pipe, why wouldn't you for the extra $50 it would cost?