I have this one and its super tight. Probably the shortest throw I have ever used, and i've come from an RX8 with aftermarket short shifter installed on that.
well the most obvious thing is to get under the car and check for a fuel leak. if that's not the problem then it could be unburnt fuel passing through your exhaust. not sure why though. hopefully someone else will come along with ideas.
Really. Well I guess its worth it if it won't break again. I did ask about warranty though and was told they only warranty it if they fit it themselves. At a cost of 35 for half hours labour. I can do it in 2 mins. bloody thieving gits.