Sistemi di scarico a doppia scanalatura lucidati per Harley-Davidson

FALCON Double-Groove 2-2 Scalat, E4, Polyhed FXSTC 07-10, FLSTN 2017, FXSTD 2007, FLSTF 07-17, FLSTFB 10-17, FLSTFBS 15-16, FLSTC 07-17, FXSTB 2007, FLS 2017, FXST 2007 per 07-10 FXSTC, 07 FXSTD, 07-12, 14-17 FLSTF, 07-12, 14-17 FLSTC, 07 FXSTB, 07 FXST, 10-12, 14-17 Flstfb, 17 Flstn, 17 Fls, 16 Flstfbs