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Alan Roehrich · 11-08-2007, 08:32 PM

Greg, IF the car ran well with the 4-2-1 collectors, then by all means get another set. Don't mess with a good combination unless you know what you're going to do will work.

There is a program called PipeMax, by a racer named Larry Meaux, that will tell you what your engine needs, it is VERY accurate, as accurate as anything short of hardcore testing.

11-08-2007, 08:32 PM	#4
Alan Roehrich Veteran Member Join Date: May 2006 Location: Murfreesboro TN Posts: 5,068 Likes: 1,507 Liked 1,648 Times in 379 Posts	Re: header collectors? Greg, IF the car ran well with the 4-2-1 collectors, then by all means get another set. Don't mess with a good combination unless you know what you're going to do will work. There is a program called PipeMax, by a racer named Larry Meaux, that will tell you what your engine needs, it is VERY accurate, as accurate as anything short of hardcore testing. __________________ Alan Roehrich 212A G/S