Description Khrome Werks 200420 Aggressor Headers for 2017-2023 Harley M8 Touring Models Hyper-secured to handle expansion and vibration Covered by 2.5″ diameter heat shields Improved horsepower and low-end torque 1.75″ 16-gauge headers with an obround 1.875″ crossover for improved flow 18mm and 12mm O2 bungs welded into the primaries Made in the U.S.A. Important: Installing an aftermarket header system such as these requires additional tuning. If you do not have a tuner, we recommend a ThunderMax or a Power Commander V.
