For 4-Speed FL Models 1970 thru 1984 (with kick or electric start). Dyno Power® drag pipes add both style and performance. These smooth bracketless pipes may be mounted with P -clamps or with the universal chrome exhaust mounting brackets listed below. Dyno Power drags accept baffles when quieter exhaust note is desired. 40 -long drag pipe set has an inside-the-frame front pipe that fits with factory floorboards and forward-mounted master cylinder. The under the- transmission rear pipe clears the large battery, factory safety bars and saddle bags. Easily mounted using optional P -clamps. Floorboard models require an optional Floorboard Adaptor.