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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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COBRA 3" Neighbor Hater Mufflers - Black 6049B
COBRA
$449.95If you're running a performance exhaust system that actually flows, you need a muffler that won't choke your gains or sound like stock. The COBRA 3" Neighbor Hater Muffler delivers aggressive sound with real flow characteristics, thanks to its optimized...18011399- SKU:
- 18011399
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
- END CAP STYLE:
- ROLLED TIP
- MODEL:
- NEIGHBOR HATERS™
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 3'
- STYLE:
- ROUND
- TYPE:
- SLIP-ON
- RIDING STYLE:
- STREET
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
COBRA 3" Neighbor Hater Mufflers for '91-'17 Dyna - Black 6045B
COBRA
$449.95If you're running a Dyna and want heads to turn for the right reasons, the COBRA 3" Neighbor Hater Mufflers deliver aggressive, commanding sound without sacrificing rideability. The constant velocity core technology keeps exhaust velocity consistent...18011397- SKU:
- 18011397
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- BASE COLOR:
- BLACK
- END CAP STYLE:
- ROLLED TIP
- MODEL:
- NEIGHBOR HATERS™
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 3'
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
On Sale
S&S CYCLE 4.5" Mufflers - Black with Black Tracer 550-0625
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95If you're running a Harley and want real power gains without sacrificing ride quality, the S&S Cycle 4.5" Mufflers deliver measurable horsepower and torque improvements while producing the aggressive exhaust note your bike deserves. The dual-construction...18010853- SKU:
- 18010853
- Availability:
- Ships Same Business Day
- Weight:
- 31.40 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Slash Cut Race Mufflers - Chrome 550-0739
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're running a stock muffler, you're leaving both sound character and flow efficiency on the table. S&S Cycle's Slash Cut Race Mufflers deliver the aggressive, purposeful rumble that matches your bike's performance potential—while the removable dB...18011356- SKU:
- 18011356
- Availability:
- Ships Same Business Day
- Weight:
- 14.54 LBS
- MODEL:
- RACE
- MUFFLER COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $514.95Now: $463.46Was: $514.95 -
On Sale
S&S CYCLE Grand National Race Mufflers for Softail - Chrome 550-0738
S&S CYCLE
MSRP: $463.95Now: $417.56Was: $463.95If you're running a Softail and tired of a muffler that doesn't match your bike's attitude, the S&S Cycle Grand National Race Mufflers deliver the aggressive sound and performance character your engine deserves. These are purpose-built for riders who...18011361- SKU:
- 18011361
- Availability:
- Ships Same Business Day
- Weight:
- 15.25 LBS
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- END CAP STYLE:
- ROUND
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- MODEL:
- GRAND NATIONAL
- MUFFLER COLOR/FINISH:
- CHROME
MSRP: $463.95Now: $417.56Was: $463.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Chrome 550-0695
S&S CYCLE
MSRP: $562.95Now: $506.66Was: $562.95If you're running a cruiser or touring bike that deserves an audio signature as aggressive as its attitude, the S&S Cycle Slash Cut Mufflers deliver exactly that—without sacrificing tunability. The removable dB Reducer gives you the flexibility to run...18011207- SKU:
- 18011207
- Availability:
- Ships Same Business Day
- Weight:
- 25.45 LBS
- MUFFLER COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $562.95Now: $506.66Was: $562.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Black 550-0692
S&S CYCLE
MSRP: $545.95Now: $491.36Was: $545.95If you're running a cruiser or touring bike that deserves exhaust hardware matching its attitude, the S&S Cycle Slash Cut Mufflers deliver the stripped-down aesthetic and aggressive soundtrack your machine has been waiting for. These are purpose-built...18011210- SKU:
- 18011210
- Availability:
- Ships Same Business Day
- Weight:
- 25.85 LBS
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- CERAMIC
- OUTER DIAMETER IMPERIAL:
- 4'
- UNITS:
- PAIR
MSRP: $545.95Now: $491.36Was: $545.95
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.
