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This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Cobra Slip-On For Harley FLSB 2018-2021 Resources

Cobra Slip-On For Harley Softail Sport Glide

The 2018 Softail Sport Glide comes from the factory with a 2-into-1 style exhaust system, so Cobra decided to compliment this by creating two different slip-on muffler options. One is a 909 Twin, which uses the same scalloped, rolled steel tip as the 909's for touring models. The other option utilizes a Dual-Cut Tip that steps up the style of your muffler and matches your other contrast-cut accessories!


  • Classic 4" styling
  • 2.25-inch perforated core
  • Neighbor Hater Internals for an aggressive tone

Note: Installation may require a new muffler gasket OEM 65900040, which is not included.

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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

This Product Fits:

Harley Davidson
Softail Sport Glide FLSB 2018, 2019, 2020, 2021
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black / Dual-Cut Item # 10083631 Store SKU Manufacturer Product # 6521B Availability In Stock: Ships next business day
Product Style Chrome / Dual-Cut Item # 10083632 Store SKU Manufacturer Product # 6521 Availability In Stock: Ships next business day
Product Style Chrome / Slash-Cut Item # 10083633 Store SKU Manufacturer Product # 6520 Availability Available: Ships in 1-2 business days
Product Style Black / Slash-Cut Item # 10083634 Store SKU Manufacturer Product # 6520B Availability In Stock: Ships next business day
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