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 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: $562.95Now: $491.36Was: $562.95If 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: $562.95Now: $491.36Was: $562.95
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.
