PAIR-removal or not ??

[OB_Madman_K]

I have got mine Akrapovic installed and it gives sometimes a backfire.
I don't mind this, but can this hurt the engine or does this cost HP?
What is the actuel purpose of the tube's that are removed? (they must be there for an reason)
Anyone?

[Guest]

emissions, and no it wont hurt it.

[OB_Johnnycheese]

Just do it.
You will be happy and your motor will even be happier No H.P. gain but weight savings
Ps. need plates?

[OB_Rocket Man]

Get the plates and get rid of the pair!