BLOX Racing universal angled tip N1 mufflers are manufactured from T-304 stainless steel and then robotically TIG-welded to ensure each muffler passes stringent quality control. N1 mufflers are available in 60.5mm, 63.5mm, and 76.2mm inlet sizes. These universal, high performance mufflers are fully polished and feature a single, 101.6mm tip. Each muffler comes with a bolt-in silencer that does not restrict any exhaust flow. This is a great choice for those looking to replace their existing stock or aftermarket unit, or for those that do not have an exhaust application readily available Universal N1 Muffler Specs Diameter = 5.4" Overall Length = 19” Canister Length = 12” Inlet = 60.5mm, 63.5mm, or 76.2mm Angled Tip = 101.6mm Dry weight = 6.25lbs Material = T304, TIG-welded