As far as performance, you will not see any noticeable difference. Both cat backs use the same diameter piping and similar constructed mufflers. In out experiences the magnaflow systems seem to be the better value when you take price into account.
Here is a nice video of this system stock, verus magnaflow added.
Link to this product directly to magnaflow
http://www.magnaflow.com/02product/s...one=all&id=124
If you are interested in pricing as well, we have the ability to offer competitive pricing with free shipping! Pm if you would like a quote, or email.
Regards