alright, i've researched a lot about Ractive tips and 4.6is...
at first i decided to go with Ractive since they are much cheaper and of course easier to install. i ordered them from Autobarn.com, got it in 3 days, but was not that much happy about it...
then i saw x5-4-fighting's X, exchanged PMs with him abt it, got the detailed info that i need, so i decided to return the Ractives and drove to Morristown last saturday to get the 4.6is tips. when i opened the box, i realized why they are way more expensive than Ractives, i mean, the quality is very good, and they are thick... also, i bought Y-pipes from PepBoys... zoom, zoom...
anyway, i took pictures of them side by side and you will see the difference... hopefully, i can get them installed this weekend, just in time for the NJ-GTG...