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1S34D - Pro-Street Exhaust System

Pro Street Exhaust - Chrome - Softail

Straight-style 2-into-2 exhaust system for Softail models, built from 16-gauge steel with 1-3/4" headpipes stepping to 2". Designed to increase low-end torque and produce a deep, throaty exhaust note. Features 2-1/2" round mufflers with turn-out end caps in a chrome finish, plus 12mm/18mm O2 sensor provisions, with mounting bracket and hardware included. Made in the U.S.A.

MSRP: $995.39

Part Number / SKU: 1S34D

Drag Part #: 1800-2278

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Features
  • 16-gauge steel construction
  • 1-3/4" headpipes step to 2"
  • Designed to increase low-end torque and produce deep, throaty exhaust note
  • Includes mounting bracket and hardware
  • Made in the U.S.A.
Specifications
  • Product Name: Pro-Street Exhaust System
  • Product Type: Exhaust System
  • Model: Prostreet
  • Configuration: 2-Into-2 System
  • Color / Finish: Chrome
  • Material: Steel
  • Units: Each
  • Riding Style: Street
  • Style: Straight
  • Muffler Style: Round
  • Muffler Diameter: 2-1/2"
  • End Cap: Turn-Out
  • O2 Sensor: 12mm/18mm
  • Finish: Chrome
Fitments & Compatibility
  • 2018-2019 Harley-Davidson FLFB Fat Boy 107
  • 2018-2019 Harley-Davidson FXBR Breakout 107
  • 2018-2020 Harley-Davidson FXBRS Breakout 114
  • 2018-2024 Harley-Davidson FLFBS Fat Boy 114
  • 2019-2020 Harley-Davidson FXDRS FXDR 114
  • 2023-2024 Harley-Davidson FXBR Breakout 117
  • 2025 Harley-Davidson FLFB Fat Boy 117
  • 2025 Harley-Davidson FLFB Softail Fat Boy
  • 2025 Harley-Davidson FLSTFI Fat Boy Gray Ghost
Packaging Info
  • Weight: 26.2 lbs
  • Length: 48 in
  • Width: 20 in
  • Height: 8.5 in
Emissions Compliance Notice
Certain Bassani products are designed for closed-course competition or off-road use only and are not legal for sale or use on pollution-controlled motorcycles operated on public roads or highways in California or other states that have adopted California emissions standards. It is the buyer's responsibility to verify the legality of any product for use in their state. See our Emissions Compliance page for details.