Vance and Hines Backslash Slip-Ons — 2017-2025 Harley-Davidson Touring

Vance and Hines Backslash 450 slip-on mufflers for 2017-2025 Harley-Davidson Touring models with Milwaukee-Eight engines. Engineered to align flush with stretched saddlebag cutouts, these 4.5" mufflers deliver a deep rumble through the patent-pending LS275 baffle and meet 50-state emissions standards.

Features

• Patent-pending LS275 baffle for deep sound and power
• 4.5" round mufflers flush to saddlebag cutouts
• Matte black finish
• 50-state emissions-compliant
• Slip-on design bolts to stock headers

Specifications

• Brand: Vance and Hines
• Manufacturer Part #: 46764
• Muffler Diameter: 4.5 inch
• Finish: Matte black
• Weight: 27.7 lb
• Emissions: 50-state compliant

Fitment

Fits 2017-2025 Harley-Davidson Touring models with Milwaukee-Eight engines, including stretched saddlebag configurations.

Frequently Asked Questions

Will these sit flush with my stretched saddlebags?

Yes — the 4.5" muffler diameter and rear angle are designed to align with stretched-bag cutouts on Touring baggers.

Do I need a fuel tuner with these slip-ons?

Slip-ons alone typically do not require remapping, but a fuel management module may optimize performance depending on other modifications.

Are they 50-state street legal?

Yes — these slip-ons meet emissions standards for all 50 states.

What's the sound like?

Deep rumble through the LS275 baffle, designed to enhance the classic Harley tone without excessive noise.

California Proposition 65 Warning

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