These stainless steel tips are made from 2 3/4" tubing and are mandrel bent with an adaptor on the end for a 2 1/2" exhaust system. 

These stainless steel tips are made from polished 3” tubing and are formed down at the end to be welded onto a 2 1/2" tail pipe.

Some people like the flat side up, they look GREAT about 1/2" under a chrome bumper.

Then again, some people like the flat side down with the curved side up close to the rear valance panel. 

These tips are built from 304 stainless steel and polished. They weld onto a 2 1/2” tail pipe there are formed & cut differently making lefts and rights.