i have the conversion on my cupra aswell took roughly 16mths to make my money back after innitial outlay, im geeting roughly 309 miles to £35 on lpg compared to 320 miles on tank of unleaded at £65
no problems with mine and the lpg is still 67p in n.ireland. best thing i done no noticeable performance issues 140,000miles now

:clap: have agree been warned by many people not to do it but have to say my car as been super reliable very happy easily get more miles than my brothers bmw 120d