Registered Forum User
Big Twin
Posts: 1,868
Join Date: Jul 2004
Location: Wellington somerset
my 996 bp has open filter with termis and ultimap chip and it has slight surging and a stutter around 5,000 rpm in top gear.
Ride it hard you do not notice these faults but for normal riding they are a pain in the butt.
When i get enough saved pc3 and dyno time will fitted and set up.
Adrian