Quote:
Originally Posted by JFM-jr
Yes on the factory NPP if the valves open exhaust flows thru the outside tips bypassing the muffler internal baffles. I was asking the OP what the valves bypassed in this setup he has made. It appears it simply adds an additional port to let exhaust escape the exhaust flows thru the same internal muffler baffles regardless of valve postion.
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correct, in his case its simply switching from 2 tips muffled to 4 tips muffled