Not 409 or low grade 201 stainless steel!! All flanges machined flat enough.This exhaust system comes with muffler and Decat. Good fitment and easy installation. The item "3 S/S Exhaust system catback for Landcruiser 100 series 4.2L 1HD turbo diesel" is in sale since Wednesday, March 6, 2019. This item is in the category "Vehicle Parts & Accessories\Car & Truck Parts\Exhausts\Exhaust Systems". The seller is "powerplus-pro" and is located in Mulgrave. This item can be shipped to Australia, North, South, or Latin America, all countries in Europe, all countries in continental Asia, New Zealand.