Looking for good articles on collector inserst

giddyup306

Founding Member
Oct 22, 2002
3,041
2
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I had read one that said that they had little or no effect on engine performance. I've also heard from a few people that they could net you some power. This is what I don't understand. If someone has a good read on the matter please post it up.
 
inserts

i use the dyno-tech cone inserts and they really do work. i installed mine right after the header on a 3inch exhaust system. super turbos, 3 in exhaust, 747 rwhp 719 rwtq 357 t-trim 22psi