Quote:
Originally posted by johnriley
I got my exhaust and header at the same time so I guess that's why I noticed such a big gain. But you would notice it alot more if you got the whole I/H/E I have a chikara tork-step 4-2-1
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Yeah, but a free-flow exhaust generally shifts the torque curve higher in the RPM band. I'm not saying you didn't notice gains, but they aren't too big.