I think I might be able to help.
Try this thread. I posted pictures and dyno charts of our HPE systems, comparing them with Termi's.
http://www.ducatisportingclub.com/xm...3516#pid117840 They are available in 50/55/57 mm sizes and in Stainless/Inconel and Inconel/Inconel. From £1450 plus VAT to £2150 plus VAT!
Sandbar
http://www.sandbarcomposites.co.uk .