• 1S78B - 2-into-1 Road Rage Exhaust System with Superbike Muffler
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1S78B - 2-into-1 Road Rage Exhaust System with Superbike Muffler

2-into-1 Road Rage Exhaust System with Superbike Muffler - 4" - Black - Softail M8

Road Rage 2-into-1 exhaust system with 4" Superbike muffler for M8 Softail models in black, featuring stepped 1-3/4" to 1-7/8" equal-length mild steel headpipes with industrial chrome merging into an advanced collector. Black-coated mild steel heat shields cover the headpipes and collector, while the 4" straight stainless muffler housing carries a perforated baffle, welded logo badging, and matching black end cap. Includes 18mm O2 bungs with 12mm adapters, with a removable baffle and end cap. Made in the U.S.A.; the '25 Low Rider ST requires bracket 1861-1836.

MSRP: $1,649.95

Part Number / SKU: 1S78B

Drag Part #: 1800-2756

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Features
  • Stepped 1-3/4" into 1-7/8" equal length headpipes in mild steel with industrial chrome merging into advanced collector
  • Mild steel heat shields coated black cover headpipes and collector
  • 4" straight stainless muffler housing with perforated baffle, welded logo badging, and matching black end cap
  • 18mm O2 bungs with 12mm adapters
  • Removable baffle and end cap
  • Made in the U.S.A.
Specifications
  • Product Name: 2-into-1 Road Rage Exhaust System with Superbike Muffler
  • Product Type: Exhaust System
  • Model: Road Rage
  • Configuration: 2-Into-1 System
  • Color / Finish: Black
  • Material: Mild Steel
  • Units: Each
  • Riding Style: Street
  • Muffler Style: Super Bike
  • Muffler Diameter: 4"
  • Heat Shield: Black
  • Note: '25 Low Rider ST requires bracket 1861-1836
Fitments & Compatibility
  • 2018-2021 Harley-Davidson FLSB Sport Glide 107
  • 2022-2024 Harley-Davidson FLHCS Heritage Classic 114
  • 2022-2025 Harley-Davidson FXLRST Low Rider ST 117
  • 2025 Harley-Davidson FLHC Softail Heritage Classic
  • 2025 Harley-Davidson FXLRST Softail Low Rider ST
Packaging Info
  • Weight: 23.6 lbs
  • Length: 41.25 in
  • Width: 19.75 in
  • Height: 8.25 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.