Quote:
Originally Posted by project e46m3
If you want more power then you need an x-pipe with the crossover moved further forward compared to oem. The only X-Pipes that have this ideal crossover location is Bimmerworld, MRF, and Gintani.
Please see this post for details on the importance of crossover location: http://www.m3post.com/forums/showthread.php?t=855575 |
From what I read, removing the restrictive cats does offer some gains. For the price of a new X-Pipe vs test pipes, I will try this first.
I also do not want to smell fuel or have drone, so I would need to find a good x-pipe with some cats in it. Those are even more money.
Might upgrade later.
Cheers,