ok so maby some of you will know what im talking about. ok so on the inside of my muffler there is a disk with around 8-10 holes in it. ok i read somewhere that sombody tokk that compleetly out. would that be a good idea for more power. or could i just drill the holes a little bigger? or do you guys thing i might blow my enging if i do that.

tnx for the help