I currently have a length of flexible steel hose joining a motocross tailpipe and normal bantam exhaust. I would like a middle silencer box to fit roughly where a traditional airbox would go.  Any recommendations

 

Any advice welcome

With the D7 you won't notice much difference. The mid-box for a TY175 (preferably after market alloy) does a good job. If you want better performance you will need to fit the D14 barrel

11 hours ago, nicbrrghs said:

I currently have a length of flexible steel hose joining a motocross tailpipe and normal bantam exhaust. I would like a middle silencer box to fit roughly where a traditional airbox would go.  Any recommendations

 

Any advice welcome

Nice decking!