Quote:

Larry Sheppard(Mopar performance Engineer) says h should be slightly smaller diameter than exhaust,place 12" after collectors.
will quieten exhaust and make no additional power.



100% Truth!! 2.125" - 2.250" H pipe works WELL in a 2.500" system. For 3.000", try a H pipe with 2.500" - 2.750" INSIDE diameter.


"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)