FMF Pipe to noisy

[SchalkL]

Took this FMF pipe of my KLR Fugly, it just to noisy for my taste. No holes or anything like that.
How can I make it less noisy, or should I just try and swop it for a standard exhaust?
TX.

 

[Bensien]

 

[lecap]

 

[KLRFegen]

 

[SchalkL]

 

[dieseldawie]