XPIPE time !!
The Best of Mercedes & AMG
DO NOT DELETE the cats it will void your warranty trust me I spoke to the mechanics at MB. Here is what else you can do. With the xpipe plus deleted mufflers i spent less than $200
http://www.youtube.com/watch?v=Ef3ahVxaJuo
if the change is very very slight, and you only feel a very very slight change that is barely noticeable, are you sure that there was even ANY change in the first place?
sounds like you're blowing smoke up your own ****!








