exhaust questions

[rew]

What's the difference between mandrel bent pipe and compression bent pipe as I've been told offered for both to be made for my gordini but what is better?.....

only one way to find out....

Fiiiiggghhhht

Thanks in advance

[Tony Walker]

Pretty sure mandrel bent is better, keeps its diameter throughout the bend.

[Hoolio]

Pretty sure mandrel bent is better, keeps its diameter throughout the bend.

Spot on. Allows much better flow over compression.