PLM B-Series Tri-Y Header (Big Tube) B16/B18/B20

The header that started it all!  PLM B-Series Tri-Y Big Tube Header has been one of our best selling best performing headers for over 15+ years.PLM Private Label Mfg. B-Series Tri-Y Big Tube B20 header features a true step up exhaust header design, delivering low to mid range power while utilizing a two-piece  slip-fit design.  This header is a long tube design for maximum horsepower. Big Tube = Big Power.  For Honda B-Series Engines Stainless steel construction One year warranty Tri-Y collectors Professionally hand TIG welded & assembled Flange is 3/8" thick, 16-18 gauge piping Installation Note: This header is not compatible with A/C in stock factory location setup.  That said, we have seen setups with slim fans and re-route A/C lines and the header can work with A/C with the slim fans and a/c line modification. We recommend this header for built B18 or B20 engines.