VANCE & HINES HI-OUTPUT SLIP-ONS

Designed specifically to address the needs of tuned motors built for high horsepower applications, (hi 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.