ecoboost catless y pipe
#194
I don't think the sound would be too much more, I think Rick from LMS said it was fairly mild with stock cat-back. I have a friend with a di turbo Mazda and he has a tune that passes the sniffer test w/o cats. The catted version is a bit pricy, but I'm cheap.
The following 2 users liked this post by prime8:
JaysonsF150 (09-26-2012),
Leadsled124 (09-26-2012)