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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
  • COBRA 909 Uppercut Mufflers for '95-'16 FL - Black 6268RB

    COBRA 909 Uppercut Mufflers for '95-'16 FL - Black 6268RB

    COBRA

    $518.95
    A louvered core provides the bark and back pressure needed to make your bike run as well as possible, Muffler body is finished off with a rolled tip, Uses a stainless-steel tip to help prevent rusting, Matches the line of the stock bags
    18011215
    SKU:
    18011215
    Availability:
    Ships Same Business Day
    Weight:
    24.80 LBS
    MODEL:
    UPPER CUT
    OUTER DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP STYLE:
    SLASH-CUT
    BASE COLOR:
    BLACK
    TYPE:
    SLIP-ON
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA 909 Uppercut Mufflers for '95-'16 FL - Chrome 6268 COBRA 909 Uppercut Mufflers for '95-'16 FL - Chrome 6268

    COBRA 909 Uppercut Mufflers for '95-'16 FL - Chrome 6268

    COBRA

    $547.95
    A louvered core provides the bark and back pressure needed to make your bike run as well as possible, Muffler body is finished off with a rolled tip, Uses a stainless-steel tip to help prevent rusting, Matches the line of the stock bags
    18011214
    SKU:
    18011214
    Availability:
    Ships Same Business Day
    Weight:
    22.30 LBS
    BASE FINISH:
    CHROME
    MODEL:
    UPPER CUT
    OUTER DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    MUFFLER
    UNITS:
    PAIR
    END CAP STYLE:
    SLASH-CUT
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    TYPE:
    SLIP-ON
    $547.95
    Qty in Cart: 0
    Quantity:
    Price:
    $547.95
    Subtotal:
  • COBRA RPT 3" Mufflers - Black - FL 6071RB COBRA RPT 3" Mufflers - Black - FL 6071RB

    COBRA RPT 3" Mufflers - Black - FL 6071RB

    COBRA

    $514.95
    The RPT slip-ons make use of all of the high-tech features of Cobra's regular 3 inch slip-on mufflers, including 2 inch constant velocity cores for exceptional sound and performance, as well as bonded e-glass and stainless steel mesh, The RPT designation...
    18011173
    SKU:
    18011173
    Availability:
    Ships Same Business Day
    Weight:
    17.00 LBS
    $514.95
    Qty in Cart: 0
    Quantity:
    Price:
    $514.95
    Subtotal:
  • COBRA RPT 3" Mufflers - Chrome - FL 6071 COBRA RPT 3" Mufflers - Chrome - FL 6071

    COBRA RPT 3" Mufflers - Chrome - FL 6071

    COBRA

    $518.95
    The RPT slip-ons make use of all of the high-tech features of Cobra's regular 3 inch slip-on mufflers, including 2 inch constant velocity cores for exceptional sound and performance, as well as bonded e-glass and stainless steel mesh, The RPT designation...
    18011172
    SKU:
    18011172
    Availability:
    Ships Same Business Day
    Weight:
    17.50 LBS
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA 3" Mufflers - Black - '17-'20 Bagger 6021RB COBRA 3" Mufflers - Black - '17-'20 Bagger 6021RB

    COBRA 3" Mufflers - Black - '17-'20 Bagger 6021RB

    COBRA

    $467.95
    These 3-inch slip-on mufflers offer performance and style without breaking the bank, The 2-inch core, surrounded with a special e-glass packing and a stainless-steel mesh screen, offers the best performance and sound quality available in a 3-inch...
    18011171
    SKU:
    18011171
    Availability:
    Ships Same Business Day
    Weight:
    17.10 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $467.95
    Subtotal:
  • COBRA 4" Mufflers for FL - Black 6267RB COBRA 4" Mufflers for FL - Black 6267RB

    COBRA 4" Mufflers for FL - Black 6267RB

    COBRA

    $827.95
    The same sound as Cobra's original Neighbor Hater, but in a more sophisticated design, Its machined, dual-cut tip gives this muffler a high-class look to match its roar, Cobra’s Neighbor Hater mufflers boast a soul-lifting boom; It’s a muffler for the...
    18011167
    SKU:
    18011167
    Availability:
    Ships Same Business Day
    Weight:
    20.80 LBS
    $827.95
    Qty in Cart: 0
    Quantity:
    Price:
    $827.95
    Subtotal:
  • COBRA 4" Mufflers for FL - Chrome 6267 COBRA 4" Mufflers for FL - Chrome 6267

    COBRA 4" Mufflers for FL - Chrome 6267

    COBRA

    $871.95
    The same sound as Cobra's original Neighbor Hater, but in a more sophisticated design, Its machined, dual-cut tip gives this muffler a high-class look to match its roar, Cobra’s Neighbor Hater mufflers boast a soul-lifting boom; It’s a muffler for the...
    18011166
    SKU:
    18011166
    Availability:
    Ships Same Business Day
    Weight:
    21.25 LBS
    $871.95
    Qty in Cart: 0
    Quantity:
    Price:
    $871.95
    Subtotal:
  • COBRA 4" Mufflers for '95-'16 FL - Chrome 6266

    COBRA 4" Mufflers for '95-'16 FL - Chrome 6266

    COBRA

    $871.95
    The same sound as Cobra's original Neighbor Hater, but in a more sophisticated design, Its machined, dual-cut tip gives this muffler a high-class look to match its roar, Cobra’s Neighbor Hater mufflers boast a soul-lifting boom; It’s a muffler for the...
    18011164
    SKU:
    18011164
    Availability:
    Ships Same Business Day
    Weight:
    22.35 LBS
    $871.95
    Qty in Cart: 0
    Quantity:
    Price:
    $871.95
    Subtotal:
  • COBRA Race Pro Mufflers - Black - FL 6216RB

    COBRA Race Pro Mufflers - Black - FL 6216RB

    COBRA

    $976.95
    The Race Pro’s unique black clam shell mounting bracket sets it apart from other mufflers, Mounts the same way as nearly every slip-on muffler from Cobra, Its look gets even better with a thin-line tip that’s held in place with seven, 12-point zinc...
    18011054
    SKU:
    18011054
    Availability:
    Ships Same Business Day
    Weight:
    26.10 LBS
    $976.95
    Qty in Cart: 0
    Quantity:
    Price:
    $976.95
    Subtotal:
  • COBRA Race Pro Mufflers - Chrome - FL 6216

    COBRA Race Pro Mufflers - Chrome - FL 6216

    COBRA

    $912.95
    The Race Pro’s unique black clam shell mounting bracket sets it apart from other mufflers, Mounts the same way as nearly every slip-on muffler from Cobra, Its look gets even better with a thin-line tip that’s held in place with seven, 12-point zinc...
    18011053
    SKU:
    18011053
    Availability:
    Ships Same Business Day
    Weight:
    25.20 LBS
    $912.95
    Qty in Cart: 0
    Quantity:
    Price:
    $912.95
    Subtotal:
  • COBRA Power Flo Mufflers for FL - Chrome 6214

    COBRA Power Flo Mufflers for FL - Chrome 6214

    COBRA

    $937.95
    4.5" diameter muffler bodies taper to 4" at the front, 4.5" machined aluminum, thin-line tips, 3" diameter muffler cores for superior performance, Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading...
    18011051
    SKU:
    18011051
    Availability:
    Ships Same Business Day
    Weight:
    24.80 LBS
    $937.95
    Qty in Cart: 0
    Quantity:
    Price:
    $937.95
    Subtotal:
  • COBRA Neighbor Hater Mufflers for FL - Black 6109RB

    COBRA Neighbor Hater Mufflers for FL - Black 6109RB

    COBRA

    $518.95
    Cobra's Neighbor Hater mufflers are not for the faint of heart, These are an aggressive slip-on muffler, for those who think loud just isn't good enough, Start as round 4" tubes, then bell out to 4.5", for an aggressive and classic design at the rear,...
    18011050
    SKU:
    18011050
    Availability:
    Ships Same Business Day
    Weight:
    21.20 LBS
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA Neighbor Hater Mufflers for FL - Chrome 6109

    COBRA Neighbor Hater Mufflers for FL - Chrome 6109

    COBRA

    $547.95
    Cobra's Neighbor Hater mufflers are not for the faint of heart, These are an aggressive slip-on muffler, for those who think loud just isn't good enough, Start as round 4" tubes, then bell out to 4.5", for an aggressive and classic design at the rear,...
    18011049
    SKU:
    18011049
    Availability:
    Ships Same Business Day
    Weight:
    21.00 LBS
    $547.95
    Qty in Cart: 0
    Quantity:
    Price:
    $547.95
    Subtotal:
  • COBRA 909 Slip-On Mufflers for FL - Black 6108RB

    COBRA 909 Slip-On Mufflers for FL - Black 6108RB

    COBRA

    $518.95
    The rear is finished with a rolled scalloped tip, not a simple slash cut, The rolled tip is matched with an inner core finished with the same scalloped cut, Inner tip is actually part of the constant velocity, tuned core that gives the muffler its great...
    18011048
    SKU:
    18011048
    Availability:
    Ships Same Business Day
    Weight:
    20.00 LBS
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA 909 Slip-On Mufflers for FL - Chrome 6108

    COBRA 909 Slip-On Mufflers for FL - Chrome 6108

    COBRA

    $547.95
    The rear is finished with a rolled scalloped tip, not a simple slash cut, The rolled tip is matched with an inner core finished with the same scalloped cut, Inner tip is actually part of the constant velocity, tuned core that gives the muffler its great...
    18011047
    SKU:
    18011047
    Availability:
    Ships Same Business Day
    Weight:
    20.50 LBS
    $547.95
    Qty in Cart: 0
    Quantity:
    Price:
    $547.95
    Subtotal:
  • COBRA Tri Flo Mufflers for '95-'16 Bagger - Black 6212RB

    COBRA Tri Flo Mufflers for '95-'16 Bagger - Black 6212RB

    COBRA

    $766.95
    Tri-oval-shaped muffler rear seamlessly transforms into 4" round front, 5" wide, 4" tall thin-line aluminum tip, 3" core for superior performance, Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading...
    18011027
    SKU:
    18011027
    Availability:
    Ships Same Business Day
    Weight:
    25.60 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $766.95
    Subtotal:
  • COBRA Neighbor Hater Mufflers for '95-'16 Bagger - Black 6107RB

    COBRA Neighbor Hater Mufflers for '95-'16 Bagger - Black 6107RB

    COBRA

    $518.95
    Neighbor Haters are not for the faint of heart, These are an aggressive slip-on muffler, for those who think loud just isn't good enough, Start as round 4-inch tubes, then bell out to 4.5-inches, for an aggressive and classic design at the rear,...
    18011026
    SKU:
    18011026
    Availability:
    Ships Same Business Day
    Weight:
    22.00 LBS
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA 909 4" Mufflers - Black - '95-'16 Bagger 6106RB

    COBRA 909 4" Mufflers - Black - '95-'16 Bagger 6106RB

    COBRA

    $518.95
    The rear is finished with a rolled scalloped tip, not a simple slash cut, The rolled tip is matched with an inner core finished with the same scalloped cut, Inner tip is actually part of the constant velocity, tuned core that gives the muffler its great...
    18011025
    SKU:
    18011025
    Availability:
    Ships Same Business Day
    Weight:
    21.70 LBS
    $518.95
    Qty in Cart: 0
    Quantity:
    Price:
    $518.95
    Subtotal:
  • COBRA 3" RPT Mufflers for XL - Black 6081RB COBRA 3" RPT Mufflers for XL - Black 6081RB

    COBRA 3" RPT Mufflers for XL - Black 6081RB

    COBRA

    $529.95
    RPT slip-ons make use of all of the high-tech features of the regular 3" slip-on mufflers, Billet RPT style tip finishes off the rear, Bodies expand from 3" at the front to 3-1/2" at the rear, 2" constant velocity cores for exceptional sound and...
    18011024
    SKU:
    18011024
    Availability:
    Ships Same Business Day
    Weight:
    12.30 LBS
    $529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • COBRA 3" RPT Mufflers - Black - '04-'13 XL 6080RB

    COBRA 3" RPT Mufflers - Black - '04-'13 XL 6080RB

    COBRA

    $529.95
    RPT slip-ons make use of all of the high-tech features of the regular 3" slip-on mufflers, Billet RPT style tip finishes off the rear, Bodies expand from 3" at the front to 3-1/2" at the rear, 2" constant velocity cores for exceptional sound and...
    18011023
    SKU:
    18011023
    Availability:
    Ships Same Business Day
    Weight:
    13.20 LBS
    $529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • Total: items /

Adding your products to cart

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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