exhaust systems

[Diesel]

Here's another topic... how important do you think an exhaust system is? If you think it is important, what's your take on the size of primaries and secondaries? Is bigger better?

[VINTAGE777]

http://www.wera.com/ubb/biggrin.gif

[VINTAGE777]

Hey im having racing withdrawals,so i have to aggravate somebody,Juuust hhhavvve tooo mmmakke iiitt aaaa fffeeww mmmorrre weeekss.

[penton]

primary pipe length formula(top secret)
(850xED)dividerpm=prim pipe length(in inches)
ED=exhaust opening degree at.001 lift +180 degrees
primary pipe diameter formula
((cc divide(Px25))v-{checkmark deal on calculator}x2.1=pri. pipe diameter in inches
cc=cc's per cyl.
P=primary pipe length.
i got some 2 smoker ones too but there extreme!!!!!! Originally posted by Diesel:
Here's another topic... how important do you think an exhaust system is? If you think it is important, what's your take on the size of primaries and secondaries? Is bigger better?