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182000+ Parts & Accessories
Our catalogue has grown extensively over the years and we now source a huge range of parts and accessories from a number of distributors from round the world.

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We're more than happy to have customers order which ever way they prefer. If you'd like to discuss anything over the phone prior to ordering we'd be delighted to help you.

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Simple Exchange Or Refund Policy 
We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.

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Price Match Promise 
We offer a price match promise on all items we sell. Use the "Seen it cheaper?" option found on the product pages to request a price match.

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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories

Bassani 4 Inch Slip-On Muffler In Black For Harley Davidson 2025-2026 Softail Heritage Classic FLHC, Street Bob FXBB & Low Rider S FXLRS Models (1S38FB)

  • Bassani 4 Inch Slip-On Muffler In Black For Harley Davidson 2025-2026 Softail Heritage Classic FLHC, Street Bob FXBB & Low Rider S FXLRS Models (1S38FB)vehicle specific
$572.11
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Seen it cheaper elsewhere?

Our Price Promise

Seen this item cheaper on another website? Let us try and match it!

We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll look to respond via email with a unique discount code within 1 hour (during working hours) so you're not waiting too long.

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Please note:

  1. The item must be identical to the one on our website listing and must show as being available.
  2. Price match applies to items sourced from authorised UK retailers only, not private sellers.
  3. Prices will only be matched from UK based websites with prices in GBP.
  4. ARH Custom reserve the right to price match only one of each item per customer.
  5. ARH Custom reserve the right to withdraw the price match policy at any time.

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Estimated shipping date between 2 Mar and 5 Mar.

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Mar and 5 Mar.

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    • 4" Mild Steel Muffler Housing coated black
    • Perforated Baffle
    • Matching Black billet end cap
    • Fits 2025 Heritage Classic, Street Bob, Lowrider S, Lowrider ST stock 2:1 header system
    • Made in the U.S.A.

NOTE: Includes 18mm O2 sensor ports and 12mm adapters

NOTE: Not all products are legal for sale or use on pollution controlled vehicles. Check your local laws and the manufacturers information 

Included Items:

    • (1) Front partial stainless heat shield
    • (1) Rear partial stainless lower heat shield
    • (1) Front/Rear head pipe assembly
    • (1) Megaphone muffler w/baffle & end cap
    • (1) Barrel band clamp
    • (7) #24 Hose clamps
    • (1) #36 Hose clamp
    • (2) 12mm adapters
    • (1) Mounting bracket
    • (2) 3/8" Flat washers
    • (1) 3/8-16 Flange nut
    • (2) 3/8-16 x 1" Hexhead bolts
    • (1) 3/8" Spring lock washer

Specifications +

End Cap Color/Finish: Black
Muffler Color/Finish: Black
Units: Each
End Cap Material: Billet
Product Name: Muffler
Outer Diameter: 10 cm (4")
Type: Slip-On

Part numbers +

  • 18011859
  • 1801-1859
  • 1S38FB

Fitment +

    HARLEY DAVIDSON
  • Softail Heritage Classic 117 - FLHC: 2025-2026
  • Softail Low Rider S 117 - FXLRS: 2025-2026
  • Softail Street Bob 117 - FXBB: 2025-2026

Delivery +

All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.

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Shipping Cost

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