Vance and Hines Twin Slash Slip-Ons — 1991-2009 Harley-Davidson Softail Fatboy

Vance & Hines Twin Slash slip-on mufflers for 1991-2009 Harley-Davidson Softail Fatboy, bolting onto stock headers for a signature dual slash-cut appearance and aggressive exhaust tone. Direct replacement that retains the classic look while improving flow.

Features

• Twin slash-cut tip design
• Slip-on installation onto stock headers
• Fits 1991-2009 Softail Fatboy

Specifications

• Brand: Vance and Hines
• Manufacturer Part #: 16844
• Category: Exhaust, Mufflers & Tips / Motorcycle Slip-On
• Weight: 14.3 lb

Fitment

Fits 1991-2009 Harley-Davidson Softail Fatboy models with stock head pipes.

Frequently Asked Questions

Will these fit my 2010+ Softail Fatboy?

No — this part is for 1991-2009 models. Newer Softails require a different slip-on part number.

Do I need to rejet or tune my carb after installing these?

Slip-on mufflers alone typically do not require jetting changes, but carburetor adjustment may improve performance depending on your setup.

What's included in the box?

The pair of Twin Slash slip-on mufflers with mounting hardware. Stock head pipes are reused.

Are these street legal?

Check local noise ordinances in your state and city — exhaust regulations vary by location.

California Proposition 65 Warning

Vance & Hines HD Softail Fatboy 91-09 Twin Slash Slip-On Exhaust

Specifications

• Brand: Vance and Hines
• Manufacturer Part #: 16844
• Category: Exhaust, Mufflers & Tips / Motorcycle Slip-On
• Weight: 14.3 lb
• Fitment: 1991-2009 Harley-Davidson Softail Fatboy

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