Gotta straight through system to prodrive bbox, happy with the system but looking to get rid of the 70mph drone and not sure whether to replace the centre section for a cobra or H+S resonated one or just have a silencer put into the existing centre?

 

I also have a Prodrive exhaust and removed the center silencer for a straight pipe, after only 2 weeks I'm putting the middle silencer back on, the middle straight pipe didn't improve the sound and created drone at 70-90 mph.

 

I'm not wanting to put the original section on I should have added, would be going for a stainless option

 

Anyone went that route?

 

could you give example for this? i'm same route with you too

too much drone ?

did you use flex pipe on centre section?

 

I used to have this centre section with a ppp backbox:
http://scoobyworld.co.uk/catalog/pro...oducts_id=3374

Measured 83db on track days, and as I recall, it didn't drone either