Hi, I was wondering if it is normal for a de-catted to do this, I have a 3" milltec de-cat, pro alloy I/c, itg pannel filter and Dreamscience stratagem x, I thought I would give it a little rev to make it pop and bang, I tried it on the standard map and it only revs to 3k, on mod x it revs upto 4 k and the maps between it is between the two, I'm sure before the de-cat was fitted it revved a lot higher,it drives fine and has lots of power but just wondering if I need to change anything else or if its fine like that