Wudda ya mean, "got proof?" the flowmaster is a baffle design. So.. air is
happier flowing thru a bunch of obstructions, rather than a straight smooth
tube? (well, maybe not smooth in most cases) WHY did you port your throttle
body then?
-Dester
<< Flowmasters don't flow well as other "straight flow thru" mufflers on the
market, but they're the loudest. Using it over a OE muffler will definantly
free up some horse power for you. I had the 40 series and they were
ANNOYING. too much cab rattle and very loud around 1700-2200 RPMS when you
give it gas and it doesn't upshift.
-Dester
>>
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