When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I initially had the MagnaFlow that came with my catback and then had to replace it with the FLP x-pipe that was required for use with their headers. Because of this, I can't tell which of these performed better although I feel my MagnaFlow sounded a lot better. The quality was excellent also.
Here's a link a member posted last week to an article describing the MagnaFlow install and testing.