Magnaflow Muffler PN Help

[jason2006]

I am looking for the part number for a Magnaflow muffler for my 06 RCSB 5.3. I dont wanna change the catback just get rid of that huge factory muffler for a Magnaflow. If anyone can help me out id appreciate it. Thanks

[landshark]

there is no correct pn but the closet thing would be a single in center and offset out 3 inch the trucks have a 2.75" pipe I went with the pn11259 and according to another web site that is the same one they use on their cat back systems just some different drilling on the internals.

[RyanbabZ71]

I went with the following. Its awesome

 

magnaflow muffler (14589). 3" single in and single out. I also got a tip 35157.

 

I got it from the following. Pretty good prices and it took less than a wk to get

 

http://www.performancepeddler.com/

 

By far the cheapest anywhere

[jason2006]

Thanks for the help