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
- Vance & Hines 4.5" Torquer Mufflers for FL Machine Cut 46676 – 4.5-inch Torquer slip-ons with machined end caps; deep aggressive tone for Touring models.
- Vance & Hines 4" Eliminator Mufflers Black 46714 – Black Eliminator 400 series slip-ons; sleek look with powerful sound for baggers.
- Drag Specialties 4" Mufflers for FL Black H00968 – Black 4-inch slip-on mufflers; budget-friendly deep tone for FL Touring models.
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!
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On Sale
S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011
S&S CYCLE
MSRP: $819.95Now: $754.35Was: $819.95If you're running an exhaust system that sounds generic and performs like stock, you're leaving both horsepower and character on the table. The S&S Cycle MK45 Cutlass Performance Mufflers deliver a...18011494- SKU:
- 18011494
- Availability:
- Ships Same Business Day
- Weight:
- 26.55 LBS
MSRP: $819.95Now: $754.35Was: $819.95 -
On Sale
S&S CYCLE 4-1/2" Black MK45 Cutlass Performance Mufflers 550-1016
S&S CYCLE
MSRP: $819.95Now: $754.35Was: $819.95If you're running a cruiser or touring bike and want serious presence without sacrificing street legality, the S&S Cycle MK45 Cutlass delivers a commanding exhaust note that turns heads while keeping...18011495- SKU:
- 18011495
- Availability:
- Ships Same Business Day
- Weight:
- 26.85 LBS
MSRP: $819.95Now: $754.35Was: $819.95 -
On Sale
S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1017
S&S CYCLE
MSRP: $819.95Now: $754.35Was: $819.95If you're running a cruiser or touring bike and want authentic engine character without sacrificing street legality, the S&S Cycle MK45 Cutlass delivers the deep, aggressive sound profile serious...18011496- SKU:
- 18011496
- Availability:
- Ships Same Business Day
- Weight:
- 26.85 LBS
MSRP: $819.95Now: $754.35Was: $819.95 -
VANCE & HINES Blackslash 450 Slip-On Mufflers - Black 46764
VANCE & HINES
$499.95If you're riding a Milwaukee-Eight Touring and want genuine performance sound without sacrificing reliability, the Vance & Hines Blackslash 450 slip-on mufflers deliver an aggressive, commanding...18011500- SKU:
- 18011500
- Availability:
- Ships Same Business Day
- Weight:
- 24.25 LBS
$499.95 -
Khrome Werks 4-1/2" HP-Plus Slip-On Mufflers for 2017-2022 Harley-Davidson Road Glide ST FLTRXST with Tracer Tip 201670
KHROME WERKS
$949.95The HP-Plus Slip-On Mufflers deliver measurable gains in torque and horsepower while giving your Road Glide ST a signature aggressive tone that cuts through without excessive drone. These bolt-on...18011498- SKU:
- 18011498
- Availability:
- Ships Same Business Day
- Weight:
- 23.30 LBS
$949.95 -
Khrome Werks 4-1/2" HP-Plus Eclipse Slip-On Mufflers for 2017-2025 Harley-Davidson Touring 201675
KHROME WERKS
$949.95Factory mufflers rob your Touring of both presence and performance. The Khrome Werks HP-Plus slip-ons unlock measurable gains in torque and horsepower while delivering the commanding exhaust note...18011499- SKU:
- 18011499
- Availability:
- Ships Same Business Day
- Weight:
- 25.50 LBS
$949.95 -
AKRAPOVIC Slip-On Line Muffler - Titanium S-HD12SO1-HAFT
AKRAPOVIC
$1,417.95If you're riding a Pan America 1250, you're already thinking beyond the pavement—but your exhaust shouldn't hold you back. The Akrapovic Slip-On Line Muffler delivers measurable performance gains...18011497- SKU:
- 18011497
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$1,417.95 -
COBRA 4" Neighbor Haters Series Mufflers - Chrome 6276
COBRA
$668.95The COBRA 4" Neighbor Haters Series Muffler delivers the aggressive sound and performance edge you're looking for without sacrificing street legality. This muffler is engineered to maximize power on...18011503- SKU:
- 18011503
- Availability:
- Ships Same Business Day
- Weight:
- 23.15 LBS
$668.95 -
COBRA 4" Neighbor Haters Series Mufflers - Black 6276RB
COBRA
$617.95If you're running a stock exhaust system, you're leaving both power and tone on the table. The COBRA 4" Neighbor Haters Series Mufflers deliver a purposeful, aggressive sound while maintaining...18011504- SKU:
- 18011504
- Availability:
- Ships Same Business Day
- Weight:
- 22.95 LBS
$617.95 -
COBRA 4-1/2" NH Series Mufflers - Black 6288RB
COBRA
$562.95The COBRA NH Series Mufflers deliver the visual impact and acoustic character your motorcycle deserves without sacrificing legal compliance. Engineered for extended stock bags, these mufflers install...18011505- SKU:
- 18011505
- Availability:
- Ships Same Business Day
- Weight:
- 10.99 LBS
$562.95Qty in Cart: 0Quantity:Price:$562.95Subtotal: -
COBRA 4-1/2" Neighbor Haters Series Mufflers - Chrome 6290
COBRA
$701.95The COBRA 4-1/2" Neighbor Haters Series Muffler delivers aggressive sound and measurable performance gains without sacrificing street legality. Whether you're running stock internals or planning...18011506- SKU:
- 18011506
- Availability:
- Ships Same Business Day
- Weight:
- 24.50 LBS
$701.95 -
COBRA 4" Neighbor Haters Series Mufflers - Chrome 6277
COBRA
$668.95If you're running stock head pipes and want to unlock real power gains without compromise, the COBRA 4" Neighbor Haters Series Mufflers deliver the sound and performance tuning flexibility serious...18011508- SKU:
- 18011508
- Availability:
- Ships Same Business Day
- Weight:
- 22.90 LBS
$668.95 -
COBRA 4" Neighbor Haters Series Mufflers - Black 6277RB
COBRA
$617.95If you're running a stock exhaust system, you're leaving power on the table and annoying everyone within earshot. The COBRA 4" Neighbor Haters Series Muffler delivers the aggressive sound and...18011509- SKU:
- 18011509
- Availability:
- Ships Same Business Day
- Weight:
- 22.65 LBS
$617.95 -
COBRA 4-1/2" NH Series Mufflers - Black 6289RB
COBRA
$562.95Replace worn or damaged mufflers with a U.S.-made exhaust component that delivers both OEM-level reliability and aggressive styling. The COBRA NH Series provides a bolt-on upgrade path for riders...18011510- SKU:
- 18011510
- Availability:
- Ships Same Business Day
- Weight:
- 24.30 LBS
$562.95 -
COBRA 4-1/2" Neighbor Haters Series Mufflers - Chrome 6291
COBRA
$701.95If you're running stock head pipes and want noticeable power gains without sacrificing street legality, the COBRA Neighbor Haters Series muffler delivers enhanced exhaust scavenging and a commanding...18011511- SKU:
- 18011511
- Availability:
- Ships Same Business Day
- Weight:
- 24.50 LBS
$701.95 -
COBRA 4-1/2" Neighbor Haters Series Mufflers - Black 6291RB
COBRA
$661.95The COBRA 4-1/2" Neighbor Haters Series Muffler delivers aggressive exhaust sound with genuine performance gains, whether you're running stock or modified power levels. This bolt-on design responds...18011512- SKU:
- 18011512
- Availability:
- Ships Same Business Day
- Weight:
- 24.35 LBS
$661.95 -
VANCE & HINES Eliminator 300 Slip-On Mufflers - Black 46312
VANCE & HINES
$699.95If you're running a cruiser or touring bike and want measurable gains in mid-range torque without sacrificing street legality, the Vance & Hines Eliminator 300 slip-ons deliver real results. The PCX...18011515- SKU:
- 18011515
- Availability:
- Ships Same Business Day
- Weight:
- 14.50 LBS
$699.95 -
VANCE & HINES 3" Twin Slash Slip-On Mufflers - Black 46376
VANCE & HINES
$699.95If you're running a cruiser or touring bike that deserves more presence on the road, these slip-ons deliver measurable torque gains without the complexity of a full exhaust system. The PCX chambered...18011534- SKU:
- 18011534
- Availability:
- Ships Same Business Day
- Weight:
- 15.65 LBS
$699.95 -
VANCE & HINES Adventure Hi-Output 450 Slip-On Muffler - Black - Stainless Steel 46533
VANCE & HINES
$599.95If you're running a Revolution Max 1250, the factory exhaust is leaving performance on the table. The Vance & Hines Adventure Hi-Output 450 delivers measurable gains—over 5 hp and 5 lb-ft of...18011535- SKU:
- 18011535
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$599.95 -
On Sale
S&S CYCLE 4" Broadhead Slip-On Mufflers - Slash Cut - Black 550-1075
S&S CYCLE
MSRP: $871.95Now: $802.19Was: $871.95A quality slip-on muffler transforms your cruiser's sound and appearance without requiring exhaust system modifications. The S&S Cycle Broadhead delivers classic Harley aesthetics with a deep,...18011764- SKU:
- 18011764
- Availability:
- Ships Same Business Day
- Weight:
- 28.05 LBS
MSRP: $871.95Now: $802.19Was: $871.95Qty in Cart: 0Quantity:Price:MSRP: $871.95Now: $802.19Was: $871.95Subtotal:
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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
