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 RPT Mufflers for Softail - Chrome 6057
COBRA
$507.95If you're serious about extracting maximum sound and performance from your Softail, these Cobra RPT mufflers deliver the aggressive exhaust note and flow characteristics your Milwaukee Eight engine deserves. The constant velocity core design is...18011244- SKU:
- 18011244
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
- PRODUCT NAME:
- MUFFLER
- END CAP STYLE:
- STRAIGHT-CUT
- MODEL:
- RPT
- OUTER DIAMETER IMPERIAL:
- 3'
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- TYPE:
- SLIP-ON
$507.95 -
COBRA Neighbor Hater Mufflers for Softail - Black 6047B
COBRA
$496.95If you're running a Milwaukee Eight Softail and want serious acoustic performance without compromise, the COBRA Neighbor Hater Mufflers deliver the aggressive sound profile your engine deserves. These slip-ons leverage Cobra's proven constant velocity...18011243- SKU:
- 18011243
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- BASE COLOR:
- BLACK
- END CAP STYLE:
- ROLLED TIP
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 3'
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- PRODUCT NAME:
- MUFFLER
- MODEL:
- NEIGHBOR HATERS™
- UNITS:
- PAIR
$496.95 -
COBRA Neighbor Hater Mufflers for Softail - Chrome 6047
COBRA
$485.95If you're running a Softail and want exhaust that delivers serious sound without sacrificing performance, the COBRA Neighbor Hater Mufflers are engineered specifically for the Milwaukee Eight platform. These slip-ons maximize acoustic output while...18011242- SKU:
- 18011242
- Availability:
- Ships Same Business Day
- Weight:
- 12.60 LBS
- COLOR/FINISH:
- CHROME
- END CAP STYLE:
- ROLLED TIP
- MODEL:
- NEIGHBOR HATERS™
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 3'
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
$485.95 -
COBRA 909 Uppercut Mufflers for FL - Chrome 6269
COBRA
$547.95If you're running Harley FL models, the COBRA 909 Uppercut Mufflers deliver the aggressive exhaust note and responsive back pressure your engine demands without sacrificing reliable performance. The louvered core design maximizes scavenging efficiency...18011220- SKU:
- 18011220
- Availability:
- Ships Same Business Day
- Weight:
- 22.60 LBS
- PRODUCT NAME:
- MUFFLER
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- UPPER CUT
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$547.95Qty in Cart: 0Quantity:Price:$547.95Subtotal: -
COBRA El Diablo 4" Mufflers for FL - Black/Black 6208RB
COBRA
$882.95If you're running a Harley-Davidson FL and want your V-Twin to announce itself with authority, the Cobra El Diablo delivers the deep, commanding exhaust note that turns heads without sacrificing performance. The spun-louvered core design doesn't just...18011219- SKU:
- 18011219
- Availability:
- Ships Same Business Day
- Weight:
- 18.80 LBS
- STYLE:
- MEGAPHONE
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- BLACK
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- MODEL:
- EL DIABLO
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- BASE FINISH:
- BLACK
- END CAP STYLE:
- STRAIGHT-CUT
- MATERIAL:
- STEEL
- UNITS:
- PAIR
$882.95 -
COBRA 4" Black El Diablo Muffler for XG750A 6511B
COBRA
$450.95If you're running an XG750A and tired of the restrictive stock muffler killing your engine's voice and flow, the COBRA 4" Black El Diablo is the direct bolt-on upgrade that delivers both aggressive sound character and measurable exhaust scavenging...18011218- SKU:
- 18011218
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- BASE COLOR:
- BLACK
- END CAP STYLE:
- REVERSE CONE
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- MODEL:
- EL DIABLO
- PRODUCT NAME:
- MUFFLER
$450.95 -
COBRA 4" Black El Diablo Muffler 6510B
COBRA
$451.95If you're running a stock muffler, you're leaving performance on the table—both in sound and flow. The COBRA 4" Black El Diablo delivers the aggressive exhaust note you want while reducing backpressure with its spun, louvered core design. This is a...18011217- SKU:
- 18011217
- Availability:
- Ships Same Business Day
- Weight:
- 9.75 LBS
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- BASE COLOR:
- BLACK
- MODEL:
- EL DIABLO
- PRODUCT NAME:
- MUFFLER
- COLOR/FINISH:
- BLACK
- END CAP COLOR/FINISH:
- BLACK
- END CAP STYLE:
- REVERSE CONE
- OUTER DIAMETER IMPERIAL:
- 4'
$451.95 -
COBRA 909 Uppercut Mufflers for FL - Black 6269RB
COBRA
$518.95The COBRA 909 Uppercut Mufflers deliver the aggressive exhaust note your FL cruiser demands while maintaining the back pressure your engine needs to perform at its best. The louvered core design cuts through the noise with authentic bark, not synthetic...18011216- SKU:
- 18011216
- Availability:
- Ships Same Business Day
- Weight:
- 22.30 LBS
- PRODUCT NAME:
- MUFFLER
- COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- UPPER CUT
- TYPE:
- SLIP-ON
$518.95Qty in Cart: 0Quantity:Price:$518.95Subtotal: -
COBRA 909 Uppercut Mufflers for '95-'16 FL - Black 6268RB
COBRA
$518.95The COBRA 909 Uppercut Mufflers deliver the aggressive exhaust note your Harley-Davidson demands while maintaining the back pressure your engine needs to perform optimally. These louvered-core mufflers combine functional acoustics with a refined...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 -
COBRA 909 Uppercut Mufflers for '95-'16 FL - Chrome 6268
COBRA
$547.95The COBRA 909 Uppercut Mufflers deliver the aggressive sound and responsive back pressure that separates a finely tuned cruiser from a stock bike. With a louvered core design, these mufflers optimize exhaust flow while producing the deep, commanding bark...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 -
COBRA RPT 3" Mufflers - Black - FL 6071RB
COBRA
$514.95If you're running a 3-inch exhaust system and want genuine performance gains without compromise, the COBRA RPT slip-ons deliver race-derived engineering in a bolt-on package. These mufflers use the same constant velocity core technology and materials...18011173- SKU:
- 18011173
- Availability:
- Ships Same Business Day
- Weight:
- 17.00 LBS
$514.95 -
COBRA RPT 3" Mufflers - Chrome - FL 6071
COBRA
$518.95If you're running a 3-inch exhaust system and want measurable gains in sound quality and flow efficiency, the COBRA RPT slip-ons deliver the performance credibility that serious riders demand. These aren't cosmetic upgrades—the constant velocity cores...18011172- SKU:
- 18011172
- Availability:
- Ships Same Business Day
- Weight:
- 17.50 LBS
$518.95 -
COBRA 4" Mufflers for FL - Black 6267RB
COBRA
$827.95If you're running a Harley-Davidson FL and want an exhaust that delivers aggressive performance sound without sacrificing aesthetic appeal, the COBRA 4" Mufflers strike the perfect balance. These dual-cut, machined tips provide the signature aggressive...18011167- SKU:
- 18011167
- Availability:
- Ships Same Business Day
- Weight:
- 20.80 LBS
$827.95 -
COBRA 4" Mufflers for FL - Chrome 6267
COBRA
$871.95If you're running a Harley-Davidson FL and want your bike's exhaust note to match its attitude, the COBRA 4" Mufflers deliver the aggressive, full-bodied sound that separates your ride from the pack. These aren't subtle—they're engineered for riders who...18011166- SKU:
- 18011166
- Availability:
- Ships Same Business Day
- Weight:
- 21.25 LBS
$871.95 -
COBRA 4" Mufflers for '95-'16 FL - Chrome 6266
COBRA
$871.95If you're running a Harley-Davidson FL and refuse to compromise between sound quality and street presence, the COBRA 4" Mufflers deliver the aggressive exhaust note riders crave without sacrificing refinement. These dual-cut, machined tips transform your...18011164- SKU:
- 18011164
- Availability:
- Ships Same Business Day
- Weight:
- 22.35 LBS
$871.95 -
COBRA Race Pro Mufflers - Black - FL 6216RB
COBRA
$976.95If you're running a slip-on exhaust, your muffler is the final word on both sound quality and performance. The COBRA Race Pro delivers a distinctive deep tone without sacrificing flow, thanks to proprietary sound-tuning technology that actually enhances...18011054- SKU:
- 18011054
- Availability:
- Ships Same Business Day
- Weight:
- 26.10 LBS
$976.95 -
COBRA Race Pro Mufflers - Chrome - FL 6216
COBRA
$912.95If you're running a slip-on exhaust system, the muffler is your primary tool for controlling both sound character and backpressure. The COBRA Race Pro delivers aggressive low-end tone without sacrificing street manners—engineered with proprietary sound...18011053- SKU:
- 18011053
- Availability:
- Ships Same Business Day
- Weight:
- 25.20 LBS
$912.95 -
COBRA Power Flo Mufflers for FL - Chrome 6214
COBRA
$937.95If you're running an FL-series Harley and want exhaust that delivers both auditory presence and measurable flow improvements, the COBRA Power Flo Mufflers are engineered to satisfy serious riders. These mufflers use acoustical precision—not marketing...18011051- SKU:
- 18011051
- Availability:
- Ships Same Business Day
- Weight:
- 24.80 LBS
$937.95Qty in Cart: 0Quantity:Price:$937.95Subtotal: -
COBRA Neighbor Hater Mufflers for FL - Black 6109RB
COBRA
$518.95If aggressive exhaust tone is your priority, the COBRA Neighbor Hater Mufflers deliver uncompromising sound without sacrificing build quality. These slip-on units are engineered with a perforated core and strategically spaced internal baffling to produce...18011050- SKU:
- 18011050
- Availability:
- Ships Same Business Day
- Weight:
- 21.20 LBS
$518.95 -
COBRA Neighbor Hater Mufflers for FL - Chrome 6109
COBRA
$547.95If your Harley's stock exhaust is too quiet for your riding style, the COBRA Neighbor Hater Mufflers deliver the aggressive bark and commanding presence you're after. These slip-on mufflers produce a distinctly aggressive tone through...18011049- SKU:
- 18011049
- Availability:
- Ships Same Business Day
- Weight:
- 21.00 LBS
$547.95
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.
