Redback 4x4 Exhaust System for Chevrolet Silverado 1500 with Antidrone Mufflers (03/2020 - on)Product Specifications: 4" to Twin 3" Cat Back Exhaust Options include Antidrone Mufflers , Straight Through Mufflers or Centre Muffler Delete Features and Benefits: Australian Designed and Made 10 Year Warranty 409 Stainless Steel Tube 4 Bolt, 10mm Thick Flange Plates Extreme Duty Hanger Brackets Pressed Fire Ring Gaskets Coated with Premium Heat Proof Paint Aftermarket Accessories: No known fitment issues Approximate Fitting Time: 2 Hours