so is it not as good cause its 100 bux cheapertd7588 said:That system is the Borla set-up. It has the same part number as the borla system.
http://www.borla.com/applications/lookup.aspx/2004/Mazda/3/SStainless_Steel_Cat-Back_System/140121/.
beat me to it...this thread is almost 4 years old