slp loudmouth vs. cutout
Also i was wondering, I have heard of people drilling holes in their cats to get a little exhaust out of them. does that help? I plan to get headers withing the next few weeks, but if it help i want to do it b/c im going to the track thursday.
Also i was wondering, I have heard of people drilling holes in their cats to get a little exhaust out of them. does that help? I plan to get headers withing the next few weeks, but if it help i want to do it b/c im going to the track thursday.


