Vance and Hines Hi-Output Slip-Ons — 2017-2020 Harley-Davidson

Vance & Hines Hi-Output slip-on mufflers for 2017-2020 Harley Street 750 and Street Rod, featuring a stepped 4-inch to 4.5-inch bore design with machined billet end cap and laser-engraved badge. 50-state emissions compliant and finished in blacked-out styling for urban riding.

Features

• 50-state emissions compliant
• Machined billet end cap with laser-engraved logo
• Stepped muffler design (4" to 4.5" bore)
• Blacked-out finish
• Slip-on installation onto stock headers

Specifications

• Brand: Vance and Hines
• Manufacturer Part #: 47943
• Weight: 8.8 lb
• Category: Exhaust, Mufflers & Tips / Motorcycle Slip-On
• WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov

Fitment

Fits 2017-2020 Harley-Davidson Street 750 and Street Rod models.

Frequently Asked Questions

Do these require a fuel tuner or ECU map?

Slip-ons alone typically do not require remapping. A fuel tuner may improve performance if combined with other air intake modifications.

Are they street legal?

Yes — 50-state emissions compliant, though local noise ordinances may apply. Check your city and state regulations.

What's included in the box?

The pair of Hi-Output slip-on mufflers with all mounting hardware needed to bolt onto your stock headers.

Will these fit my 2021+ Street 750?

This part is specific to 2017-2020 models. 2021 and newer Street models may require a different part number — verify fitment before ordering.

California Proposition 65 Warning

WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov