Porsche 911 GT3 RS MBRP Bypass 4" Tips 2014 2018 Porsche GT3 GT3 RS PORSCHE 911 GT3 RS 6:49.328 . Facebook. For the hottest look on the market right now, look no further than the MBRP Black Series exhaust. Using a high heat coating that is designed specifically for exhaust applications, MBRP Black Series exhausts are sure to turn heads and provide excellent performance for years to come. Utilizing the same manufacturing processes as MBRP stainless systems, you know these systems will fit right the first time. MBRP Black Series features a 1 Year Warranty on the coasting and a 3 Year Warranty on the exhaust components.Features:Direct Simple Bolt on Center Muffler BypassDramatic Improvement Of Sound For Any 991 GT3 or GT3 RSDurable T304 Black Coated Steel ConstructionFactory Headers, Catalysts Side Mufflers And Valves Retained3.5" Exhaust Diameter4" Tip DiameterApplication:2014 2018 Porsche GT3 GT3RS