2005-06 GTO CNC Mandrel bent 3" 304 s/s Turbo chambered exhaust system. Bolts to factory flanges behind the catalytic converter with dual turbo mufflers and 3" x pipe. Exits in factory valence openings with dual rolled edge slash cut tips. All hangers and clamps included.. 2005-06 GTO 6.0L, Catback Turbo Chambered exhaust system. Bolts to factory flanges behind the cats with dual turbo mufflers and 3" x pipe. Exits in factory valence openings with slash cut tips. All hangers and clamps included.. Stainless Works, Pontiac GTO exhaust, GTO exhaust, pontiac exhaust, LS exhaust. Stainless Works Catback Dual Turbo Chambered Mufflers Factory Connect. Stainless Works 2005-06 GTO 3in Catback Chambered Mufflers X-Pipe. Stainless Works 2005-06 Pontiac GTO Exhaust. Stainless Works 2005-06 GTO Exhaust. 2005 thru 2006 Pontiac GTO 6.0L. Exhaust System Kit. Exhaust System. Exhaust Kit

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