I HAVE THE STOCK MUFFLERS FROM A 2006 GTO. I'D LIKE TO TAKE THE GM ACCESSORY DUAL ACTIVE STAINLESS TIPS I HAVE FOR MY 05 GRAND PRIX GTP, WELD THEM TO THE OUTLET OF THE GTO MUFFLER, AND REPLACE THE STOCK MUFFLERS ON MY GTP WITH THEM. DOES ANYONE PREDICT A PROBLEM WITH THIS?