i have the same gear as you pretty much... it isn't a hastle to get the zip sewn into your jacket, however you need a tailor who knows what he is doing as that stitching potentially has to withstand an incredible amount of force if ya go down...
most people will say shell out for a one piece if you are gonna do serious track work and i agree... but if thats a bit out of your price league then the option you mentioned is the next best thing...
most people will say shell out for a one piece if you are gonna do serious track work and i agree... but if thats a bit out of your price league then the option you mentioned is the next best thing...