The BlackWorks Racing (BWR) B-series race headers are designed and engineered for maximum flow, and horse power. These header's are made and constructed from T304 stainless with a custom CNC machined head flange. This is a 4-2-1 Tri-y set up with a 2.5 inch collector. BlackWorks Racing header's have great oil pan clearance, no needed modifying or removing of factory components to run our headers.
Blackworks Racing (BWR) offers a limited life time warranty.