S&S Cycle GNX 2:1 Exhaust System For Harley Touring The GNX 2:1 Exhaust System offers precision engineering aimed at enhancing horsepower and torque while producing a robust sound synonymous with performance. Its streamlined design, available in durable chrome or high-temp guardian black, presents an effective exhaust solution for Touring models. This exhaust system replaces restrictive stock pipes with a free-flowing configuration, catering to riders seeking dependable American-made quality and powerful performance without compromising on build integrity. Features: 4.5 diameter muffler body Adds a clean, sleek appearance to your Touring bike Deep exhaust tone and increased performance Louvered baffle Race inspired Grand National End Cap Removable dB Reducer (J2825 compliant) 49 State compliant Made in the USA