Like almost 99.9% of the people on this board will attest,seems like stealth is the best out there,might give one a try on my patriot if I can ever find one in my area.Looks like I may have to order one.
Probably one of the most popular are the Doinker line.
I was also thinking on the new SIMS S-coil----anyone try one of these yet and care to give us an up-date