4 cm) outside diameter header pipes

Tech tip: Piston oversizes

Note: This filter is no longer advised for M8 models as of 2020

without any loss in power

25" diameter tube tapers down to 1" to mate to your stock controls and runs a 1" clamp area

THUNDERSLIDE JET KIT Original Parts 4 cm) outside diameter headerFitments 90 94 FX Model, 91 98 Dyna, 90 99 Softail, 90 98 Touring Note: Except 95 98 EFI Touring Models Description Much more than just jets. The kit includes a revolutionary new lightweight slide designed to deliver instantaneous throttle response, precision control and increased fuel mileage. Includes everything you need: Thunderslide assembly, main jets, diaphragm, fuel needle, Thunder Nozzle, check ball, emulsion tube, plug drill, retaining clips,