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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
  • VANCE & HINES 4" Eliminator Mufflers - Black 46714

    VANCE & HINES 4" Eliminator Mufflers - Black 46714

    VANCE & HINES

    $714.95
    If you're running a serious power-plant and want exhaust hardware that matches its intensity, these Vance & Hines Eliminators deliver the acoustic signature and flow characteristics that dedicated riders demand. The CNC-machined billet end caps aren't...
    18011067
    SKU:
    18011067
    Availability:
    Ships Same Business Day
    Weight:
    25.10 LBS
    END CAP COLOR/FINISH:
    BLACK
    MODEL:
    ELIMINATOR 400
    OUTER DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    MUFFLER COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    END CAP STYLE:
    INVERTED
    RIDING STYLE:
    STREET
    $714.95
    Qty in Cart: 0
    Quantity:
    Price:
    $714.95
    Subtotal:
  • VANCE & HINES 4" Eliminator Mufflers - Chrome 16703

    VANCE & HINES 4" Eliminator Mufflers - Chrome 16703

    VANCE & HINES

    $714.95
    If you're running a cruiser or touring bike and want to make a statement without sacrificing sound quality, the Vance & Hines 4" Eliminator Mufflers deliver the deep, aggressive tone that turns heads on every ride. These straight-can mufflers are...
    18010898
    SKU:
    18010898
    Availability:
    Ships Same Business Day
    Weight:
    25.40 LBS
    END CAP MATERIAL:
    BILLET
    MUFFLER COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    END CAP COLOR/FINISH:
    CHROME
    MODEL:
    ELIMINATOR 400
    PRODUCT NAME:
    MUFFLER
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    END CAP STYLE:
    INVERTED
    OUTER DIAMETER IMPERIAL:
    4'
    UNITS:
    PAIR
    $714.95
    Qty in Cart: 0
    Quantity:
    Price:
    $714.95
    Subtotal:
  • VANCE & HINES Twin Slash Muffler - Chrome - FL 16672

    VANCE & HINES Twin Slash Muffler - Chrome - FL 16672

    VANCE & HINES

    $659.95
    The Vance & Hines Twin Slash Muffler delivers aggressive exhaust flow with minimal backpressure, giving your Big Twin the deep, commanding sound that defines American V-twin performance. Its all-mechanical straight-through design eliminates restrictive...
    18011070
    SKU:
    18011070
    Availability:
    Ships Same Business Day
    Weight:
    23.80 LBS
    BASE FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP STYLE:
    TWIN SLASH
    RIDING STYLE:
    STREET
    MUFFLER COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • VANCE & HINES Twin Slash Muffler - Chrome 16763

    VANCE & HINES Twin Slash Muffler - Chrome 16763

    VANCE & HINES

    $659.95
    The VANCE & HINES Twin Slash Muffler delivers the aggressive sound and responsive exhaust flow that serious riders demand, without sacrificing durability or reliability. Its straight-through design minimizes backpressure to unlock additional horsepower,...
    18010392
    SKU:
    18010392
    Availability:
    Ships Same Business Day
    Weight:
    25.60 LBS
    BASE FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4'
    UNITS:
    PAIR
    MUFFLER COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    END CAP STYLE:
    TWIN SLASH
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • On Sale
    SUPERTRAPP Stout Mufflers 140-68228

    SUPERTRAPP Stout Mufflers 140-68228

    SUPERTRAPP

    MSRP: $748.95
    Now: $479.00
    Was: $748.95
    If you're running a cruiser or touring bike, exhaust restriction is costing you power and efficiency. The SUPERTRAPP Stout Mufflers deliver significant performance gains with a simple bolt-on installation, while their rebuildable design means you get...
    18011409
    SKU:
    18011409
    Availability:
    Ships Same Business Day
    Weight:
    18.10 LBS
    MUFFLER COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    PRODUCT NAME:
    MUFFLER
    BASE FINISH:
    CHROME
    MODEL:
    STOUT
    OUTER DIAMETER IMPERIAL:
    4'
    UNITS:
    PAIR
    MSRP: $748.95
    Now: $479.00
    Was: $748.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $748.95
    Now: $479.00
    Was: $748.95
    Subtotal:
  • VANCE & HINES 4.5" Torquer Mufflers for FL - Machine Cut 46676 VANCE & HINES 4.5" Torquer Mufflers for FL - Machine Cut 46676

    VANCE & HINES 4.5" Torquer Mufflers for FL - Machine Cut 46676

    VANCE & HINES

    $824.95
    If you're running an M-Eight engine, stock exhaust is holding back both sound and performance. The Vance & Hines 4.5" Torquer Mufflers deliver the aggressive, deep tone Harley riders expect while optimizing exhaust scavenging for measurable power gains...
    18011485
    SKU:
    18011485
    Availability:
    Ships Same Business Day
    Weight:
    28.40 LBS
    END CAP COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    TORQUER 450
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    TYPE:
    SLIP-ON
    COLOR/FINISH:
    MACHINE CUT
    MUFFLER MATERIAL:
    MILD STEEL
    RIDING STYLE:
    STREET
    $824.95
    Qty in Cart: 0
    Quantity:
    Price:
    $824.95
    Subtotal:
  • VANCE & HINES HO-450 Pan-Am - Stainless Steel - Muffler 16533 VANCE & HINES HO-450 Pan-Am - Stainless Steel - Muffler 16533

    VANCE & HINES HO-450 Pan-Am - Stainless Steel - Muffler 16533

    VANCE & HINES

    $659.95
    If you're running a Revolution Max 1250, you need exhaust that delivers measurable performance gains without compromise. The Vance & Hines HO-450 Pan-Am combines a aggressive baffle design with CNC-precision engineering to unlock 5 hp and 5 ft-lbs of...
    18011492
    SKU:
    18011492
    Availability:
    Ships Same Business Day
    Weight:
    14.90 LBS
    COLOR/FINISH:
    STAINLESS STEEL
    END CAP MATERIAL:
    BILLET
    MODEL:
    HI-OUTPUT
    COLOR/FINISH:
    SILVER
    END CAP COLOR/FINISH:
    BLACK
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    MATERIAL:
    304 STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • VANCE & HINES Hi Output Mufflers - Chrome 16455

    VANCE & HINES Hi Output Mufflers - Chrome 16455

    VANCE & HINES

    $879.95
    If you're running a tuned motor with high compression, large displacement, or aggressive cam profiles, stock exhaust systems become a bottleneck that limits your horsepower potential. The VANCE & HINES Hi Output Mufflers are engineered specifically for...
    18010606
    SKU:
    18010606
    Availability:
    Ships Same Business Day
    Weight:
    30.80 LBS
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    HI-OUTPUT
    MUFFLER COLOR/FINISH:
    CHROME
    END CAP COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    BASE FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    TYPE:
    SLIP-ON
    UNITS:
    PAIR
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    $879.95
    Qty in Cart: 0
    Quantity:
    Price:
    $879.95
    Subtotal:
  • VANCE & HINES Twin Slash Mufflers - FLRT 16796

    VANCE & HINES Twin Slash Mufflers - FLRT 16796

    VANCE & HINES

    $659.95
    If you're running a Milwaukee Eight-powered Freewheeler, the VANCE & HINES Twin Slash Mufflers deliver the aggressive sound and visual presence your bike deserves without sacrificing performance. These bolt-on mufflers liberate your M8 motor's natural...
    18011232
    SKU:
    18011232
    Availability:
    Ships Same Business Day
    Weight:
    22.50 LBS
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    MODEL:
    TWIN SLASH
    OUTER DIAMETER IMPERIAL:
    4'
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    END CAP STYLE:
    TWIN SLASH
    PRODUCT NAME:
    MUFFLER
    MUFFLER COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • VANCE & HINES Black Hi-Output Mufflers 46547

    VANCE & HINES Black Hi-Output Mufflers 46547

    VANCE & HINES

    $659.95
    If you're running a Fat Bob and want an exhaust system that matches its aggressive stance, these Vance & Hines slip-on mufflers deliver the visual impact and sound character your bike deserves. The stepped, stacked design creates a distinctive profile...
    18011250
    SKU:
    18011250
    Availability:
    Ships Same Business Day
    Weight:
    14.90 LBS
    END CAP COLOR/FINISH:
    BLACK
    MUFFLER COLOR/FINISH:
    MATTE BLACK
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    MODEL:
    HI-OUTPUT
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    END CAP STYLE:
    INVERTED
    RIDING STYLE:
    STREET
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • VANCE & HINES Chrome Mufflers - Freewheeler 16798

    VANCE & HINES Chrome Mufflers - Freewheeler 16798

    VANCE & HINES

    $659.95
    If you ride a Freewheeler, you know that stock exhaust holds back both sound and performance. The VANCE & HINES Chrome Mufflers are engineered specifically for your bike's compact chassis, delivering that signature deep throaty rumble without compromise...
    18010858
    SKU:
    18010858
    Availability:
    Ships Same Business Day
    Weight:
    22.30 LBS
    BASE FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4'
    UNITS:
    PAIR
    MUFFLER COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    END CAP COLOR/FINISH:
    CHROME
    END CAP STYLE:
    TWIN SLASH
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • VANCE & HINES 4" Eliminator Mufflers - Chrome 16714

    VANCE & HINES 4" Eliminator Mufflers - Chrome 16714

    VANCE & HINES

    $714.95
    If you're running a cruiser or touring bike that demands a distinctive exhaust note with genuine performance gains, the Vance & Hines 4" Eliminator Mufflers deliver the deep, aggressive sound that separates serious riders from the rest. These...
    18011066
    SKU:
    18011066
    Availability:
    Ships Same Business Day
    Weight:
    25.70 LBS
    BASE FINISH:
    CHROME
    END CAP COLOR/FINISH:
    CHROME
    MODEL:
    ELIMINATOR 400
    OUTER DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP STYLE:
    INVERTED
    RIDING STYLE:
    STREET
    MUFFLER COLOR/FINISH:
    CHROME
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    $714.95
    Qty in Cart: 0
    Quantity:
    Price:
    $714.95
    Subtotal:
  • VANCE & HINES 4.5" Torquer Mufflers for '95-'16 FL - Chrome 16673

    VANCE & HINES 4.5" Torquer Mufflers for '95-'16 FL - Chrome 16673

    VANCE & HINES

    $769.95
    If you're running stock or upgraded headers on your big twin, exhaust note is everything—and these Vance & Hines Torquer Mufflers deliver the aggressive rumble that commands attention without sacrificing real-world performance. The 4.5" diameter bodies...
    18011458
    SKU:
    18011458
    Availability:
    Ships Same Business Day
    Weight:
    28.50 LBS
    END CAP COLOR/FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    TORQUER 450
    TYPE:
    SLIP-ON
    COLOR/FINISH:
    CHROME
    MUFFLER MATERIAL:
    MILD STEEL
    RIDING STYLE:
    STREET
    $769.95
    Qty in Cart: 0
    Quantity:
    Price:
    $769.95
    Subtotal:
  • VANCE & HINES 4.5" Torquer Mufflers for '95-'16 FL - Black 46673

    VANCE & HINES 4.5" Torquer Mufflers for '95-'16 FL - Black 46673

    VANCE & HINES

    $769.95
    If you're running a Harley-Davidson Softail, Dyna, or Touring model from 1995-2016, exhaust tone matters—and these Vance & Hines Torquer Mufflers deliver the aggressive, deep rumble that matches your bike's attitude. The 4.5" diameter bodies provide...
    18011459
    SKU:
    18011459
    Availability:
    Ships Same Business Day
    Weight:
    28.40 LBS
    COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    BLACK
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    MUFFLER MATERIAL:
    MILD STEEL
    RIDING STYLE:
    STREET
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    TORQUER 450
    TYPE:
    SLIP-ON
    $769.95
    Qty in Cart: 0
    Quantity:
    Price:
    $769.95
    Subtotal:
  • VANCE & HINES Hi Output Mufflers - Black 46759

    VANCE & HINES Hi Output Mufflers - Black 46759

    VANCE & HINES

    $879.95
    If you're running a high-compression, large-displacement engine or heavily modified big cam setup, stock mufflers are leaving horsepower on the table. The VANCE & HINES Hi Output Mufflers are engineered to maximize volumetric efficiency in tuned motors,...
    18010607
    SKU:
    18010607
    Availability:
    Ships Same Business Day
    Weight:
    34.00 LBS
    MODEL:
    HI-OUTPUT
    MUFFLER COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    END CAP COLOR/FINISH:
    BLACK
    MUFFLER COLOR/FINISH:
    CERAMIC
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    UNITS:
    PAIR
    BASE COLOR:
    BLACK
    END CAP STYLE:
    STRAIGHT-CUT
    STYLE:
    STRAIGHT CAN
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    Qty in Cart: 0
    Quantity:
    Price:
    $879.95
    Subtotal:
  • VANCE & HINES 4.5" Torquer Mufflers for FL - Chrome 16674

    VANCE & HINES 4.5" Torquer Mufflers for FL - Chrome 16674

    VANCE & HINES

    $769.95
    If you're running an M-Eight engine on your Harley-Davidson, these Vance & Hines Torquer mufflers deliver the aggressive exhaust note and measurable performance gains your bike deserves. The 4.5" diameter design maximizes scavenging efficiency while...
    18011456
    SKU:
    18011456
    Availability:
    Ships Same Business Day
    Weight:
    27.90 LBS
    MUFFLER MATERIAL:
    MILD STEEL
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    COLOR/FINISH:
    CHROME
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    TORQUER 450
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    END CAP COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    MUFFLER
    $769.95
    Qty in Cart: 0
    Quantity:
    Price:
    $769.95
    Subtotal:
  • VANCE & HINES Hi-Output Mufflers - Chrome 16463

    VANCE & HINES Hi-Output Mufflers - Chrome 16463

    VANCE & HINES

    $879.95
    If you're running a tuned motor with high compression, large displacement, or aggressive cam profiles, your stock exhaust is costing you horsepower. The VANCE & HINES Hi-Output Mufflers are engineered to maximize volumetric efficiency in heavily modified...
    18011068
    SKU:
    18011068
    Availability:
    Ships Same Business Day
    Weight:
    30.90 LBS
    BASE FINISH:
    CHROME
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    TYPE:
    SLIP-ON
    END CAP COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    MUFFLER
    END CAP STYLE:
    STRAIGHT-CUT
    MODEL:
    HI-OUTPUT
    MUFFLER COLOR/FINISH:
    CHROME
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    STYLE:
    STRAIGHT CAN
    $879.95
    Qty in Cart: 0
    Quantity:
    Price:
    $879.95
    Subtotal:
  • VANCE & HINES Black High Output Muffler - XG/A 47943

    VANCE & HINES Black High Output Muffler - XG/A 47943

    VANCE & HINES

    $384.95
    A quality muffler is essential for any performance build—it reduces backpressure, improves exhaust scavenging, and delivers the aggressive sound your bike deserves. The Vance & Hines Black High Output Muffler combines precision engineering with a...
    18011233
    SKU:
    18011233
    Availability:
    Ships Same Business Day
    Weight:
    6.89 LBS
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    STYLE:
    STRAIGHT CAN
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    INVERTED
    MODEL:
    HI-OUTPUT
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    MUFFLER COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    MUFFLER
    $384.95
    Qty in Cart: 0
    Quantity:
    Price:
    $384.95
    Subtotal:
  • VANCE & HINES 4.5" Torquer Mufflers for FL - Black 46674

    VANCE & HINES 4.5" Torquer Mufflers for FL - Black 46674

    VANCE & HINES

    $769.95
    If you're running an M-Eight Harley and want serious exhaust presence without sacrificing performance, these Vance & Hines Torquer mufflers deliver a rich, aggressive note while optimizing backpressure for real power gains. The massive 4.5" diameter...
    18011457
    SKU:
    18011457
    Availability:
    Ships Same Business Day
    Weight:
    27.50 LBS
    COLOR/FINISH:
    BLACK
    END CAP COLOR/FINISH:
    BLACK
    MODEL:
    TORQUER 450
    MUFFLER MATERIAL:
    MILD STEEL
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    TYPE:
    SLIP-ON
    PRODUCT NAME:
    MUFFLER
    END CAP MATERIAL:
    BILLET
    END CAP STYLE:
    STRAIGHT-CUT
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    $769.95
    Qty in Cart: 0
    Quantity:
    Price:
    $769.95
    Subtotal:
  • PAUGHCO Short Bell Tip Muffler - 20" 618BT PAUGHCO Short Bell Tip Muffler - 20" 618BT

    PAUGHCO Short Bell Tip Muffler - 20" 618BT

    PAUGHCO

    $288.95
    If you're building a classic chopper or retro-styled cruiser, the PAUGHCO Short Bell Tip Muffler delivers authentic '60s aesthetics without sacrificing practical exhaust flow. This 20" muffler combines period-correct styling with a universal slider...
    04102610
    SKU:
    04102610
    Availability:
    Ships Same Business Day
    Weight:
    5.08 LBS
    END CAP STYLE:
    BELL-END
    TYPE:
    SLIP-ON
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    STREET
    STYLE:
    TAPERED
    INLET DIAMETER IMPERIAL:
    1-3/4'
    LENGTH IMPERIAL:
    20'
    MUFFLER COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    $288.95
    Qty in Cart: 0
    Quantity:
    Price:
    $288.95
    Subtotal:
  • Total: items /

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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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