This is an all stainless steel, mandrel-bent, cat-back exhaust system with polished stainless steel tips for the Mazdaspeed 3.

It features a 5x5x14" SS muffler, 3" SS tubing, and a 4" polished SS tip.

The installation instructions can be found here:
http://images.magnaflow.com/07techtips/pdfs/16786.pdf