If you have trouble with my above link. (off iphone) try this and scroll to bottom.
http://www.titaniumperformance.co.uk/products/bmw/1m-coupe-2011-2012/evolution-exhaust-system-for-bmw-1-series-m-coupe
Only issue is what system is being used for video.
Can anyone shed any more light if slip on/evolution??
Lloydy
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