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Harley Mufflers

Harley Mufflers

Harley Mufflers

Harley Bike Mufflers at JJ Motorsports

Give your Harley the perfect sound and performance with premium 4" and 4.5" slip-on mufflers from JJ Motorsports, featuring deep tone, increased flow, and race-inspired styling for Touring, Softail, and bagger models. These high-quality mufflers deliver instant power gains and head-turning rumble without a full system.

Shop Vance & Hines and Drag Specialties mufflers for proven quality and easy bolt-on installation. Explore related categories such as Harley exhaust for headers and full systems, or Harley for air cleaners and tuning to complete your performance build.

Top Harley Mufflers

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BASSANI XHAUST DNT Straight Can Mufflers for '95-'16 FL  - Chrome/Black 1F7DNT5

    BASSANI XHAUST DNT Straight Can Mufflers for '95-'16 FL - Chrome/Black 1F7DNT5

    BASSANI XHAUST

    $863.45
    Feature 16-gauge steel construction throughout, Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance, Include a new-style billet end cap with internal...
    18010768
    SKU:
    18010768
    Availability:
    Ships Same Business Day
    Weight:
    24.20 LBS
    $863.45
    Qty in Cart: 0
    Quantity:
    Price:
    $863.45
    Subtotal:
  • BASSANI XHAUST DNT Straight Can Mufflers for '95-'16 FL - Black 1F7DNT5B

    BASSANI XHAUST DNT Straight Can Mufflers for '95-'16 FL - Black 1F7DNT5B

    BASSANI XHAUST

    $834.85
    Feature 16-gauge steel construction throughout, Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance, Include a new-style billet end cap with internal...
    18010769
    SKU:
    18010769
    Availability:
    Ships Same Business Day
    Weight:
    24.30 LBS
    $834.85
    Qty in Cart: 0
    Quantity:
    Price:
    $834.85
    Subtotal:
  • BASSANI XHAUST DNT Megaphone Muffler - Chrome/Black - '95-'16 FL 1F57DNT5

    BASSANI XHAUST DNT Megaphone Muffler - Chrome/Black - '95-'16 FL 1F57DNT5

    BASSANI XHAUST

    $863.45
    Feature 16-gauge steel construction throughout, Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance, Include new-style billet end caps with internal...
    18010772
    SKU:
    18010772
    Availability:
    Ships Same Business Day
    Weight:
    21.10 LBS
    $863.45
    Qty in Cart: 0
    Quantity:
    Price:
    $863.45
    Subtotal:
  • BASSANI XHAUST DNT Megaphone Muffler - Black/Black - '95-'16 FL 1F57DNT5B

    BASSANI XHAUST DNT Megaphone Muffler - Black/Black - '95-'16 FL 1F57DNT5B

    BASSANI XHAUST

    $798.55
    Feature 16-gauge steel construction throughout, Specially designed 3-stepped baffle that is acoustically tuned to deliver a unique deep and throaty exhaust sound while providing maximum performance, Include new-style billet end caps with internal...
    18010773
    SKU:
    18010773
    Availability:
    Ships Same Business Day
    Weight:
    21.00 LBS
    $798.55
    Qty in Cart: 0
    Quantity:
    Price:
    $798.55
    Subtotal:
  • BASSANI XHAUST Fishtail Mufflers - Chrome - w/out Baffle - 33" - '95-'16 Touring 1F17E33

    BASSANI XHAUST Fishtail Mufflers - Chrome - w/out Baffle - 33" - '95-'16 Touring 1F17E33

    BASSANI XHAUST

    $692.95
    True Dual mufflers feature 16-gauge steel construction, Unique style, performance and an aggressive exhaust note, Mounts to both stock or Bassani headpipes, Includes all necessary hardware, Made in the U.S.A.
    18010792
    SKU:
    18010792
    Availability:
    Ships Same Business Day
    Weight:
    11.75 LBS
    MATERIAL:
    STAINLESS STEEL
    BASE FINISH:
    CHROME
    END CAP STYLE:
    FISHTAIL
    OUTER DIAMETER IMPERIAL:
    2-1/4'
    TYPE:
    SLIP-ON
    UNITS:
    PAIR
    COLOR/FINISH:
    CHROME
    END CAP COLOR/FINISH:
    CHROME
    FEATURES:
    WITHOUT BAFFLES
    LENGTH IMPERIAL:
    33'
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $692.95
    Subtotal:
  • BASSANI XHAUST Fishtail Mufflers - Chrome - w/out  Baffle - 36" - 95-'16 Touring 1F17E36

    BASSANI XHAUST Fishtail Mufflers - Chrome - w/out Baffle - 36" - 95-'16 Touring 1F17E36

    BASSANI XHAUST

    $692.95
    True Dual mufflers feature 16-gauge steel construction, Unique style, performance and an aggressive exhaust note, Mounts to both stock or Bassani headpipes, Includes all necessary hardware, Made in the U.S.A.
    18010793
    SKU:
    18010793
    Availability:
    Ships Same Business Day
    Weight:
    12.35 LBS
    END CAP STYLE:
    FISHTAIL
    FEATURES:
    WITHOUT BAFFLES
    OUTER DIAMETER IMPERIAL:
    2-1/4'
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    CHROME
    END CAP COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    LENGTH IMPERIAL:
    36'
    MATERIAL:
    STAINLESS STEEL
    BASE FINISH:
    CHROME
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $692.95
    Subtotal:
  • BASSANI XHAUST Fishtail Mufflers - Chrome - w/ Baffle - 33" - 95-'16 Touring 1F27E33 BASSANI XHAUST Fishtail Mufflers - Chrome - w/ Baffle - 33" - 95-'16 Touring 1F27E33

    BASSANI XHAUST Fishtail Mufflers - Chrome - w/ Baffle - 33" - 95-'16 Touring 1F27E33

    BASSANI XHAUST

    $758.95
    True Dual mufflers feature 16-gauge steel construction, Unique style, performance and an aggressive exhaust note, Mounts to both stock or Bassani headpipes, Includes all necessary hardware, Made in the U.S.A.
    18010794
    SKU:
    18010794
    Availability:
    Ships Same Business Day
    Weight:
    15.45 LBS
    OUTER DIAMETER IMPERIAL:
    2-1/4'
    COLOR/FINISH:
    CHROME
    END CAP COLOR/FINISH:
    CHROME
    FEATURES:
    WITH BAFFLES
    LENGTH IMPERIAL:
    33'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    END CAP STYLE:
    FISHTAIL
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    $758.95
    Qty in Cart: 0
    Quantity:
    Price:
    $758.95
    Subtotal:
  • BASSANI XHAUST Fishtail Mufflers - Chrome - w/ Baffle - 36" - 95-'16 Touring 1F27E36

    BASSANI XHAUST Fishtail Mufflers - Chrome - w/ Baffle - 36" - 95-'16 Touring 1F27E36

    BASSANI XHAUST

    $758.95
    True Dual mufflers feature 16-gauge steel construction, Unique style, performance and an aggressive exhaust note, Mounts to both stock or Bassani headpipes, Includes all necessary hardware, Made in the U.S.A.
    18010795
    SKU:
    18010795
    Availability:
    Ships Same Business Day
    Weight:
    17.00 LBS
    END CAP STYLE:
    FISHTAIL
    LENGTH IMPERIAL:
    36'
    OUTER DIAMETER IMPERIAL:
    2-1/4'
    RIDING STYLE:
    STREET
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    UNITS:
    PAIR
    MATERIAL:
    STAINLESS STEEL
    END CAP COLOR/FINISH:
    CHROME
    FEATURES:
    WITH BAFFLES
    Qty in Cart: 0
    Quantity:
    Price:
    $758.95
    Subtotal:
  • BASSANI XHAUST 4" Muffler without Cat - Low Mount 8F127SS BASSANI XHAUST 4" Muffler without Cat - Low Mount 8F127SS

    BASSANI XHAUST 4" Muffler without Cat - Low Mount 8F127SS

    BASSANI XHAUST

    $520.25
    4" stainless megaphone muffler, Designed for maximum horsepower and torque, Removable billet slash cut end cap, Aggressive exhaust sound, Removable baffle, Hand tig welding
    18113800
    SKU:
    18113800
    Availability:
    Ships Same Business Day
    Weight:
    8.60 LBS
    END CAP STYLE:
    SLASH-CUT
    MODEL:
    MEGAPHONE
    RIDING STYLE:
    STREET
    STYLE:
    SHORT
    FEATURES:
    WITHOUT CAT
    MOUNTING POSITION:
    LOW
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    END CAP MATERIAL:
    BILLET
    MATERIAL:
    STAINLESS STEEL
    $520.25
    Qty in Cart: 0
    Quantity:
    Price:
    $520.25
    Subtotal:
  • Khrome Werks Chrome 3.5" Slip-On Mufflers for 2018-2025 Harley-Davidson Softail Fat Boy 202500

    Khrome Werks Chrome 3.5" Slip-On Mufflers for 2018-2025 Harley-Davidson Softail Fat Boy 202500

    KHROME WERKS

    $599.95
    If you're running a Fat Boy that deserves to sound as good as it looks, the Khrome Werks Chrome Slip-On Mufflers deliver a deep, aggressive tone without sacrificing the refined aesthetics your ride demands. The 3.5" diameter produces a resonant sound...
    18011470
    SKU:
    18011470
    Availability:
    Ships Same Business Day
    Weight:
    14.90 LBS
    END CAP COLOR/FINISH:
    BLACK
    UNITS:
    PAIR
    COLOR/FINISH:
    CHROME
    MODEL:
    SHREDDER
    OUTER DIAMETER IMPERIAL:
    3-1/2'
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    $599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Khrome Werks Chrome 3.5" Slip-On Mufflers for 2018-2024 Harley-Davidson Softail Heritage Classic 114 FLHCS 202520

    Khrome Werks Chrome 3.5" Slip-On Mufflers for 2018-2024 Harley-Davidson Softail Heritage Classic 114 FLHCS 202520

    KHROME WERKS

    $599.95
    If you're riding a 2018-2024 Softail Heritage Classic, your exhaust should match the commanding presence of your bike. The Khrome Werks 202520 slip-on mufflers deliver a deep, resonant tone that turns heads while shedding the factory weight and clunky...
    18011471
    SKU:
    18011471
    Availability:
    Ships Same Business Day
    Weight:
    15.15 LBS
    END CAP COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    COLOR/FINISH:
    CHROME
    MODEL:
    SHREDDER
    OUTER DIAMETER IMPERIAL:
    3-1/2'
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    $599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Khrome Werks Black 3.5" Slip-On Mufflers for 2018-2025 Harley-Davidson Softail Fat Boy 202600

    Khrome Werks Black 3.5" Slip-On Mufflers for 2018-2025 Harley-Davidson Softail Fat Boy 202600

    KHROME WERKS

    $599.95
    A quality exhaust system is fundamental to unlocking your Softail's potential—both acoustically and mechanically. The Khrome Werks Black 3.5" Slip-On delivers the deep, commanding tone that defines the Harley experience while maintaining the precision...
    18011472
    SKU:
    18011472
    Availability:
    Ships Same Business Day
    Weight:
    15.35 LBS
    COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MODEL:
    SHREDDER
    OUTER DIAMETER IMPERIAL:
    3-1/2'
    TYPE:
    SLIP-ON
    UNITS:
    PAIR
    END CAP MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    $599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Khrome Werks Softail Heritage Classic 2018-2024 Black 3.5" Slip-On Mufflers 202600

    Khrome Werks Softail Heritage Classic 2018-2024 Black 3.5" Slip-On Mufflers 202600

    KHROME WERKS

    $599.95
    Factory exhaust systems compromise both sound and aesthetics on your Softail Heritage Classic. The Khrome Werks 3.5" slip-on mufflers deliver the aggressive, deep tone you want while eliminating bulky heat shields for a cleaner, more aggressive look...
    18011473
    SKU:
    18011473
    Availability:
    Ships Same Business Day
    Weight:
    15.06 LBS
    COLOR/FINISH:
    BLACK
    END CAP MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    MODEL:
    SHREDDER
    TYPE:
    SLIP-ON
    OUTER DIAMETER IMPERIAL:
    3-1/2'
    PRODUCT NAME:
    MUFFLER
    END CAP COLOR/FINISH:
    BLACK
    UNITS:
    PAIR
    $599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Khrome Werks 4.5" Chrome Muffler for 2017-2024 Harley Touring Models 202660

    Khrome Werks 4.5" Chrome Muffler for 2017-2024 Harley Touring Models 202660

    KHROME WERKS

    $845.95
    If you're running a Harley Touring model, your exhaust is one of the most impactful upgrades you can make—both for sound character and real-world performance. The Khrome Werks 4.5" Muffler delivers a deep, commanding tone while extracting measurable...
    18011483
    SKU:
    18011483
    Availability:
    Ships Same Business Day
    Weight:
    24.30 LBS
    COLOR/FINISH:
    CHROME
    TYPE:
    SLIP-ON
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    COLOR/FINISH:
    SILVER
    END CAP MATERIAL:
    BILLET ALUMINUM
    END CAP STYLE:
    EDGE
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    MODEL:
    HP-PLUS
    PRODUCT NAME:
    MUFFLER
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5" HP-Plus Slip-On Muffler for Harley-Davidson Touring 2009-2016 202665

    Khrome Werks 4.5" HP-Plus Slip-On Muffler for Harley-Davidson Touring 2009-2016 202665

    KHROME WERKS

    $845.95
    The Khrome Werks 4.5" HP-Plus Slip-On Muffler transforms your Harley-Davidson Touring's exhaust system with measurable gains in torque and horsepower while delivering the authoritative, deep-throated sound that defines true performance. This is a bolt-on...
    18011484
    SKU:
    18011484
    Availability:
    Ships Same Business Day
    Weight:
    24.70 LBS
    COLOR/FINISH:
    CHROME
    TYPE:
    SLIP-ON
    MODEL:
    HP-PLUS
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    PRODUCT NAME:
    MUFFLER
    COLOR/FINISH:
    SILVER
    END CAP MATERIAL:
    BILLET ALUMINUM
    END CAP STYLE:
    EDGE
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5" HP-Plus Slip-On Mufflers for 2017-2025 Harley Touring Chrome with Black Turbine Tip 202770

    Khrome Werks 4.5" HP-Plus Slip-On Mufflers for 2017-2025 Harley Touring Chrome with Black Turbine Tip 202770

    KHROME WERKS

    $845.95
    If you're running a Milwaukee-Eight Touring model, you're leaving measurable power on the table with stock mufflers. The Khrome Werks 4.5" HP-Plus delivers dyno-proven torque and horsepower gains while replacing the generic factory tone with a deep,...
    18011257
    SKU:
    18011257
    Availability:
    Ships Same Business Day
    Weight:
    24.50 LBS
    COLOR/FINISH:
    CHROME
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    END CAP COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    SILVER
    END CAP STYLE:
    TURBINE
    MODEL:
    HP-PLUS
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    MUFFLER COLOR/FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    STYLE:
    STRAIGHT CAN
    BASE COLOR:
    SILVER
    END CAP COLOR/FINISH:
    MACHINED
    PRODUCT NAME:
    MUFFLER
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5 HP-Plus Slip-On Mufflers Chrome with Klassic Tip 202775

    Khrome Werks 4.5 HP-Plus Slip-On Mufflers Chrome with Klassic Tip 202775

    KHROME WERKS

    $845.95
    The Khrome Werks 4.5 HP-Plus slip-ons deliver measurable performance gains—increased torque and horsepower—while producing a deep, authoritative exhaust note that cuts through the noise without harsh high frequencies. Built with 16-gauge construction and...
    18011284
    SKU:
    18011284
    Availability:
    Ships Same Business Day
    Weight:
    25.10 LBS
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    MUFFLER
    MUFFLER COLOR/FINISH:
    CHROME
    END CAP STYLE:
    KLASSIC
    MODEL:
    HP-PLUS
    STYLE:
    ROUND
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    END CAP COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5 HP-Plus Slip-On Mufflers for 2015-2016 Harley Electra Glide Ultra Limited Low FLHTKL Black with Klassic Tip 202830

    Khrome Werks 4.5 HP-Plus Slip-On Mufflers for 2015-2016 Harley Electra Glide Ultra Limited Low FLHTKL Black with Klassic Tip 202830

    KHROME WERKS

    $845.95
    If you're running a 2015-2016 Electra Glide Ultra Limited Low and want measurable gains in torque response without sacrificing ride quality, these slip-on mufflers deliver. The 4.5 HP-Plus design filters out harsh exhaust noise while preserving the...
    18011285
    SKU:
    18011285
    Availability:
    Ships Same Business Day
    Weight:
    25.60 LBS
    MODEL:
    HP-PLUS
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    MUFFLER COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    END CAP STYLE:
    KLASSIC
    STYLE:
    ROUND
    TYPE:
    SLIP-ON
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5 HP-Plus Slip-On Mufflers Chrome with Turbine Tip 202795

    Khrome Werks 4.5 HP-Plus Slip-On Mufflers Chrome with Turbine Tip 202795

    KHROME WERKS

    $845.95
    If you're running a cruiser or touring bike, exhaust note matters—it should command attention without fatiguing your ears on long rides. The Khrome Werks 4.5 HP-Plus slip-ons deliver a deep, authoritative tone while actually improving your bike's torque...
    18011288
    SKU:
    18011288
    Availability:
    Ships Same Business Day
    Weight:
    23.90 LBS
    COLOR/FINISH:
    CHROME
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    END CAP COLOR/FINISH:
    BLACK
    MODEL:
    HP-PLUS
    RIDING STYLE:
    STREET
    STYLE:
    ROUND
    UNITS:
    PAIR
    PRODUCT NAME:
    MUFFLER
    END CAP STYLE:
    TURBINE
    MUFFLER COLOR/FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Khrome Werks 4.5 HP-Plus Slip-On Mufflers Black with Turbine Tip 202845

    Khrome Werks 4.5 HP-Plus Slip-On Mufflers Black with Turbine Tip 202845

    KHROME WERKS

    $845.95
    Factory exhaust systems rob your engine of potential—restrictive piping and poor scavenging cost you torque and throttle response. The Khrome Werks 4.5 HP-Plus slip-on mufflers eliminate that constraint with a tuned chambering design that boosts...
    18011289
    SKU:
    18011289
    Availability:
    Ships Same Business Day
    Weight:
    25.30 LBS
    BASE COLOR:
    BLACK
    TYPE:
    SLIP-ON
    COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    STYLE:
    ROUND
    END CAP STYLE:
    TURBINE
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    UNITS:
    PAIR
    MODEL:
    HP-PLUS
    MUFFLER COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    MUFFLER
    $845.95
    Qty in Cart: 0
    Quantity:
    Price:
    $845.95
    Subtotal:
  • Total: items /

Adding your products to cart

Buying Guide and FAQs

Buying Guide: Factors to Consider When Choosing Harley Bike Mufflers

  • Compatibility: Ensure mufflers fit your Harley's model (e.g., Milwaukee Eight powered Freewheeler, M-Eight engines, Revolution Max 1250, FL models 1995-2016). Use the vehicle selector for year-specific matches, focusing on slip-on designs compatible with stock headers or Vance & Hines Power Duals to avoid fit issues.
  • Type of Use: For touring or street cruising, choose mufflers with deep throaty rumbles like Twin Slash; high-horsepower or performance builds benefit from Hi-Output or Torquer series for torque/HP gains in demanding conditions.
  • Components and Upgrades: Select slip-on mufflers with billet end caps (e.g., inverted or twin slash), louvered baffles, or rebuildable cores. Add features like ceramic coatings for heat reduction or CNC-machined caps for style and durability.
  • Brand and Quality: Opt for Vance & Hines for race-inspired designs with bold roars or Supertrapp for rebuildable cores and performance gains. Prioritize U.S.A.-made mild steel or stainless steel with chrome/black finishes for corrosion resistance and longevity.
  • Installation and Cost: Most are bolt-on slip-ons with included mounting hardware for easy DIY setup. Prices range from $659.95 for Twin Slash to $879.95 for Hi-Output—factor in weight (4-33 lbs) and free shipping over $99 for value.

Frequently Asked Questions (FAQs)

  1. What Harley models do these mufflers support? Mufflers fit models like Milwaukee Eight Freewheeler, M8 engines (e.g., Fat Bob), Revolution Max 1250 (e.g., Pan America), and FL 1995-2016—use the year/make/model filter for compatibility with specific chassis.
  2. How do these mufflers improve performance? Designs like Hi-Output or Torquer provide 5 HP/5 ft-lbs torque, improved volumetric efficiency, and deep aggressive roars for tuned motors.
  3. Are these mufflers emissions compliant? Some meet J2825 decibel levels (e.g., Hi-Output HO-450), but check local regulations as they focus on performance and sound.
  4. What materials are used in mufflers? Primarily mild steel or 304 stainless steel with chrome/black/ceramic finishes and billet/CNC end caps for style, heat resistance, and durability.
  5. What if a muffler doesn't fit my Harley? Verify model, engine, and header compatibility before buying. Our returns policy allows exchanges or refunds if it doesn't match.
  6. Can I find related exhaust parts? Yes—explore headpipes, midpipes, tips, or full systems in the Harley exhaust category to complement your muffler upgrade for complete performance.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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