Designed specifically to address the needs of tuned motors built for high horsepower applications, (high compression, large displacement, big cams). Every aspect of the Hi-Output slip-on's design is singularly focused to yield maximum horsepower by improving the volumetric efficiency of heavily modified engines as well as stock. Race quality black ceramic or chrome. Compatible with Dresser duals, Power Duals and CVO drop skirt bags. Aggressive stepped styling. CNC-machined end cap. Available in chrome or matte black finish. Fits saddlebags with extended skirts. Optional Quiet Baffle available (for most models; sold separately). Made in the U.S.A.