Quote:
Originally Posted by MrC1
There is no truth to backpressure being a good thing or part of any design for a reason. The only thing you have to worry about if you go too big is loss of velocity, which could actually hurt power. This has nothing to do with backpressure, but rather comes on after you pass the point of zero back pressure and get into overkill pipe volume. (this is referring to scavenging....again, nothing to do with backpressure)
The exhaust recommendation chart does not take mandrel bends into consideration. If you go with mandrel bends, your pipes will flow equivilent to larger crimp-bent ones....to a point.
2.5" crimp bent would be great on your setup. If you're worried about noise, go with a high flowing, multi chamber muffler to better control the sound.
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In engineering terms, backpressure means one thing. In street hot rod lingo, it means another
Not being an engineer, but working at an engineering firm. I prefer the hot rod street lingo, those engineers have no sense of humor