2005-2006 Pontiac GTO Muffler Delete Cat Back Exhaust

This is a cat-back exhaust system for 2004-2006 Pontiac GTO, featuring T-304 stainless steel construction and dual tips with a slant cut design.

• The description claims that a cat-back exhaust improves exhaust flow and enhances the sound of the exhaust note.
• The description claims that a cat-back exhaust can improve engine performance and increase horsepower and torque.