Have a Magnaflow Magnapack catback for sale/trade. 15883 (http://www.magnaflow.com/02product/shopexd.asp?zone=all&id=3266) I'm willing to go for a straight trade for Corsa/Borla axle backs. The system has maybe 500 miles on it and really want it out of here. I'm looking for $400 plus shipping OBO.