Bassani Road Rage B1 Exhaust For Harley Softail The Bassani Road Rage B1 Exhaust is a full exhaust system for motorcycle enthusiasts who are serious about horsepower. This exhaust system was developed to produce flat torque curves and a noticeable increase in horsepower via precision-fabricated high-grade 16-gauge steel stepped head pipes. The true reverse-cone megaphone features a fluted billet aluminum end cap and includes a removable spiral-core louvered baffle. Features: Designed specifically for tuned motors built for high horsepower applications Extended inner collector maximizing performance Feature equal-length stepped head pipes systems for Softail and Sportster feature 1-step headers, 1-3/4 to 1-7/8 4 straight-style performance muffler body with 2-1/2 x 16-1/2 baffle and black billet end cap with contrasting machined flutes Full-coverage heat shields included Oxygen sensor port plugs also included for non-sensor applications Machined, powder-coated finish