why hydroformed pipes are not as good as welded cones - disc
Posted: Wed Sep 26, 2012 5:02 am
Ok so not too much of interest to 4strokers but for those of you who still use the 2 stroke method of quick cheap tuning ............
http://www.pit-lane.biz/t3107-gp-125-25 ... lded-cones
http://www.pit-lane.biz/t3107-gp-125-25 ... lded-cones