Quote:
Originally Posted by comptiger5000
^ Not necessarily. That would reduce backpressure, but it won't do much as far as controlling what RPM the exhaust is tuned for.
|
I have ways. You don't want to know about them but I have ways.
Speaking of tuned exhaust, check out the manifold on the 2.0 sky-whatever motor on the 2012 mazda3. High FE is goes from 33 to 40.
Who says exhaust work can't yield FE?