mandrel bend vs press bend dyno numbers?

[cyrusdrum]

I already know that mandrel bent piping is the way to go, I was just wondering what the difference would be. If I 3" mandrel bent piping and 3" press bent are we talking like a 20hp or a 3hp difference. If anyone has a link to a website that has this info that would be awesome. All I can seem to find is people saying mandrel is better which I already know.

Tim

 

[TurboGeoff]

1.5hp

 

[eclipse13]

depending on how much HP you have. Some bends might bring the pipe to about a 2.75 inch diameter. So it is like having 2.75 inch piping instead of 3. So if you have a massive turbo and alot of backpressure, it would make a big difference, but on a relativly stock car, it wouldnt be that big of a deal.