Barker’s exhaust systems are constructed from 304 stainless steel, and the muffler is made entirely from 6061-T6 aluminum with a CNC machined end cap. Each exhaust utilizes pulsewave tuning technology to increase performance from the low RPM power to peak horsepower and into the overrev. Spark arrestors and quiet core inserts are available, and each pipe comes furnished with a heat shield. The MSRP is $610.95.