Correct, it's not illegal, it's just that Jammin haven't sent any pipes in to get EFRA approval so as such you can't run them at Efra sanctioned events. Almost all club tracks will let you run them as they are a lot quieter than most EFRA Approved pipes and do help engines run better greatly.

If Jammin wanted to increase sales then I strongly suggest geting the testing done as these pipes have NEVER let me down, unlike rossi, ofna ,picco, RB and Tamiyas. The reinforced stinger is the best idea ever and the hardcoating just looks super sweet, but they could do with a slightly shorter header that doesn't hit the shell.