aFe (49-46016-P) 409 Stainless Steel Cat-Back Exhaust System with Oval Polished Tips for Lexus GX 470 V8-4.7L Engine Aggressive sound, mandrel-bent Hassle-free installation, factory mounting locations 409 stainless steel, hardware included Free-flowing muffler, 304 stainless steel tip Manufactured and assembled in the USA