mr wilks said:These guys had a good write up in recent BMW mag & pretty sure another Z4-member used them recently ?
http://www.mijexhaust.com/?gclid=CJinuPD3zLQCFebLtAodYikAYw
Cjeep's used them for his quad conversion - however when I visited them for a quote they didn't seem that professional, infact they just wanted to book me in without understanding my requirements
Pistonheads has 50/50 feedback on them