SENA 4402-0773 SC-A0323 Headset/Intercom Helmet Speakers 30K / 20S / EVO Slim Speakers FLTRX 1-3/4" header pipes flow in

1-3/4" header pipes flow in a tapered 3" to 3-1/2" turnout megaphone

If you still want to run your OEM fairing

320" Units Pair Product Name Gasket

1999-2016 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1989-1990 Harley-Davidson Low Rider FXRS 1989-1992 Harley-Davidson Tour Glide Ultra Classic FLTCU 1990-1991 Harley-Davidson Low Rider Convertible FXRS-CONV 1990-1992

Hardcoat anodized billet aluminum and stainless steel construction

SENA 4402-0773 SC-A0323 Headset/Intercom Helmet Speakers 30K / 20S / EVO Slim Speakers FLTRX 1-3/4" header pipes flow inFeatures Add or replace speakers to your Sena intercom system Slim speakers are more accommodating in helmets that lack deep speaker pockets or have an overall tight fit Specs Product Name Speaker Riding Style Adventure Touring Dual Sport Riding Style Snow Riding Style UTV Color Finish Black Model 20S EVO Riding Style ATV Riding Style Off Road Units Kit Riding Style Street