B Series Megaphone Header 4-1 Collector RF V2 B16 B18 B20

B Series Megaphone Header 4-1 Collector RF V2 B16 B18 B20 RMF Skid Plate Pipe The B Series Megaphone Header 4-1 Collector RF V2 is designed for Honda B Series engines including the B16, B18, and B20. This header features a 4-1 design that merges the exhaust gases from four cylinders into a single collector, resulting in improved exhaust flow and a significant boost in horsepower and torque. The RF V2 version includes a unique megaphone design that enhances exhaust note, giving your engine a distinct, aggressive sound. Made from high-quality materials and expertly crafted, this header is the perfect upgrade for anyone looking to take their B Series engine to the next level of performance. RMF Version 2 header features a true 4-1 merge collector, with a megaphone to create equal exhaust flow & delivers the best peak horsepower gains while utilizing a 1-piece design. 304 brushed stainless steel True 2.5 inch collector Megaphone with reverse cone Hand TIG welded A