The Cobra Speedster 909 Black Exhaust System, manufacturer part number 6713B and vendor part number 6713B, is engineered for select Harley-Davidson Softail models. This performance exhaust system fits the 2018–2021 Harley-Davidson FLHC Softail Heritage Classic, FLHCS Softail Heritage Classic 114, and FLSB Softail Sport Glide. Designed to combine distinctive styling with responsive performance, it delivers the unique blend of performance and style associated with Cobra.
The exhaust body starts at 3 inches at the front and expands to 3.5 inches at the rear, creating a bold profile that complements the classic Softail platform. Inside, Cobra uses signature 2-inch constant-velocity cores with bonded e-glass and stainless-steel mesh packing. This construction is designed to produce a strong, refined exhaust note while supporting dependable performance and durability. The black finish adds a clean, aggressive appearance suitable for custom and replacement applications.
Feature: Cobra Speedster 909 performance exhaust system
Feature: Black finish for a distinctive custom appearance
Feature: Fits select 2018–2021 Harley-Davidson Softail FLHC, FLHCS and FLSB models
Feature: 3-inch front body expanding to 3.5 inches at the rear
Feature: 2-inch constant-velocity cores with bonded e-glass and stainless-steel mesh
Feature: Made in the USA
Feature: Limited lifetime warranty
Confirm motorcycle model, trim and year before ordering to ensure proper fitment. This Cobra system is intended for the Harley-Davidson Softail Heritage Classic, Heritage Classic 114 and Sport Glide applications listed above. It is identified by Cobra brand part number 6713B and is supplied for fitment-specific installation on compatible motorcycles.
Features:
- Cobra Speedster 909 performance exhaust system
- Black finish for a distinctive custom appearance
- Fits select 2018–2021 Harley-Davidson Softail FLHC, FLHCS and FLSB models
- 3-inch front body expanding to 3.5 inches at the rear
- 2-inch constant-velocity cores with bonded e-glass and stainless-steel mesh
- Made in the USA
- Limited lifetime warranty
Fitment:
2018 Harley Davidson FLHC Softail Heritage Classic
2018 Harley Davidson FLHCS Softail Heritage Classic 114
2018 Harley Davidson FLSB Softail Sport Glide
2019 Harley Davidson FLHC Softail Heritage Classic
2019 Harley Davidson FLHCS Softail Heritage Classic 114
2019 Harley Davidson FLSB Softail Sport Glide
2020 Harley Davidson FLHC Softail Heritage Classic
2020 Harley Davidson FLHCS Softail Heritage Classic 114
2020 Harley Davidson FLSB Softail Sport Glide
2021 Harley Davidson FLHC Softail Heritage Classic
2021 Harley Davidson FLHCS Softail Heritage Classic 114
2021 Harley Davidson FLSB Softail Sport Glide
2022 Harley Davidson FLHCS Softail Heritage Classic 114
2023 Harley Davidson FLHCS Softail Heritage Classic 114
2024 Harley Davidson FLHCS Softail Heritage Classic 114