I dont wamt to sound dumb but what is that big diameter pipe directly after the U-bend? Can it be removed? I ask because I am building a custom exhaust and dont want to screw anything up. Thanks

The resonator.

What does it do? Can it be removed.

yes it can be removed, all it does it quiet the exhaust note. It wont hurt anyting removing it:wink:

Thanks alot I appriciate the help.