Originally posted by EuropeanConnection:
Originally posted by javaContour:
[b]Ok,
Radical changes such as balanced true duals probably do make significant changes to the engines power output. However, this requires significant planning, design and engineering.
I'm not sure you are getting that from your sub $250 exhaust guy.
TB
[/b]There is also the sound wave component that helps or hurts exhaust performance.
The only way to really know is before and after dyno plots. The butt dyno is notoriously inaccurate. I believe the "thinner wallet coefficient" does throw off the calibration of most butt dynos
TB