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
-
On Sale
S&S CYCLE Grand National Muffler 550-0757B
S&S CYCLE
MSRP: $1,231.95Now: $1,108.76Was: $1,231.95Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately), Race-inspired design, Removable dB reducer for back pressure and sound tuning, Meet J2825 levels for sound, All hardware included, Deep-performance rumble...18011479- SKU:
- 18011479
- Availability:
- Ships Same Business Day
- Weight:
- 16.10 LBS
- COLOR/FINISH:
- CHROME
- TYPE:
- SLIP-ON
- END CAP COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- END CAP STYLE:
- STRAIGHT-CUT
- MODEL:
- GRAND NATIONAL
- MUFFLER COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MUFFLER
MSRP: $1,231.95Now: $1,108.76Was: $1,231.95 -
On Sale
S&S CYCLE Stainless Steel Grand National Muffler for FTR 1200 550-0854
S&S CYCLE
MSRP: $520.95Now: $468.86Was: $520.95Race inspired Grand National endcap, Removable dB reducer, Stainless steel can with exposed tig welds for factory race styling, Includes carbon fiber heat shield, Meets J2825 sound levels (with dB reducer), Made in USA!18113798- SKU:
- 18113798
- Availability:
- Ships Same Business Day
- Weight:
- 7.25 LBS
MSRP: $520.95Now: $468.86Was: $520.95 -
On Sale
S&S CYCLE Grand National Mufflers - Chrome 550-0693
S&S CYCLE
MSRP: $562.95Now: $506.66Was: $562.95Race inspired Grand National endcap, High flowing baffle design, Aggressive sound and excellent horsepower, Removable dB reducer, Made in USA!18011203- SKU:
- 18011203
- Availability:
- Ships Same Business Day
- Weight:
- 26.70 LBS
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- MODEL:
- GRAND NATIONAL
- MUFFLER COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MUFFLER
MSRP: $562.95Now: $506.66Was: $562.95 -
On Sale
S&S CYCLE Grand National Mufflers - Chrome 550-0689
S&S CYCLE
MSRP: $562.95Now: $506.66Was: $562.95Race inspired Grand National endcap, High flowing baffle design, Aggressive sound and excellent horsepower, Removable dB reducer, Made in USA!18011205- SKU:
- 18011205
- Availability:
- Ships Same Business Day
- Weight:
- 27.90 LBS
- MODEL:
- GRAND NATIONAL
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
MSRP: $562.95Now: $506.66Was: $562.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Black 550-0696
S&S CYCLE
MSRP: $562.95Now: $506.66Was: $562.95Stripped down styling, Aggressive sound, Includes removable dB Reducer, Made in the USA!18011208- SKU:
- 18011208
- Availability:
- Ships Same Business Day
- Weight:
- 25.50 LBS
- MUFFLER COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
MSRP: $562.95Now: $506.66Was: $562.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Chrome 550-0691
S&S CYCLE
MSRP: $545.95Now: $491.36Was: $545.95Classic slash cut styling, Stripped down styling, Aggressive sound, Made in USA!18011209- SKU:
- 18011209
- Availability:
- Ships Same Business Day
- Weight:
- 24.40 LBS
- BASE FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 4'
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- MUFFLER COLOR/FINISH:
- CHROME
- TYPE:
- SLIP-ON
- RIDING STYLE:
- STREET
MSRP: $545.95Now: $491.36Was: $545.95Qty in Cart: 0Quantity:Price:MSRP: $545.95Now: $491.36Was: $545.95Subtotal: -
On Sale
S&S CYCLE Grand National Muffler - Ceramic Black 550-0703
S&S CYCLE
MSRP: $347.95Now: $313.16Was: $347.9510.5% more horsepower and 19.8% more torque (with Stealth Air Cleaner Kit), Includes stainless steel perforated baffle and high performance packing, Race inspired Grand National endcap, Black ceramic finish matches stock header pipe, Removable dB...18011169- SKU:
- 18011169
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
- MODEL:
- GRAND NATIONAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- CERAMIC
- TYPE:
- SLIP-ON
MSRP: $347.95Now: $313.16Was: $347.95 -
On Sale
S&S CYCLE Mufflers - Chrome - Chrome Thruster 550-0665
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011074- SKU:
- 18011074
- Availability:
- Ships Same Business Day
- Weight:
- 29.10 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Mufflers - Chrome - Black Thruster 550-0664
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011075- SKU:
- 18011075
- Availability:
- Ships Same Business Day
- Weight:
- 28.30 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Mufflers - Black - Black Thruster 550-0666
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011077- SKU:
- 18011077
- Availability:
- Ships Same Business Day
- Weight:
- 30.40 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Mufflers - Chrome - Chrome Tracer 550-0669
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011078- SKU:
- 18011078
- Availability:
- Ships Same Business Day
- Weight:
- 29.40 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Mufflers - Chrome - Black Tracer - M8 Touring '17-'19 550-0668
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011079- SKU:
- 18011079
- Availability:
- Ships Same Business Day
- Weight:
- 28.90 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Mufflers - Black - Black Tracer 550-0670
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18011081- SKU:
- 18011081
- Availability:
- Ships Same Business Day
- Weight:
- 29.10 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Chrome Thruster 550-0620
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18010846- SKU:
- 18010846
- Availability:
- Ships Same Business Day
- Weight:
- 30.00 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Black Tracer 550-0623
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18010851- SKU:
- 18010851
- Availability:
- Ships Same Business Day
- Weight:
- 31.30 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Black Thruster 550-0619
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18010847- SKU:
- 18010847
- Availability:
- Ships Same Business Day
- Weight:
- 32.00 LBS
- MUFFLER COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- MODEL:
- MK45
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- END CAP STYLE:
- THRUSTER
- OUTER DIAMETER IMPERIAL:
- 4-1/2'
- UNITS:
- PAIR
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Black with Black Thruster 550-0621
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18010849- SKU:
- 18010849
- Availability:
- Ships Same Business Day
- Weight:
- 31.00 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Chrome Tracer 550-0624
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled...18010850- SKU:
- 18010850
- Availability:
- Ships Same Business Day
- Weight:
- 29.50 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Grand National Race Mufflers for Softail - Chrome 550-0740
S&S CYCLE
MSRP: $463.95Now: $417.56Was: $463.95Race inspired Grand National endcap design, All hardware and gaskets included, Deep performance rumble replaces stock whisper tone, Removable dB reducer included, Made in USA!18011362- SKU:
- 18011362
- Availability:
- Ships Same Business Day
- Weight:
- 15.10 LBS
- END CAP COLOR/FINISH:
- BLACK
- MUFFLER COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- MODEL:
- GRAND NATIONAL
- UNITS:
- PAIR
- END CAP STYLE:
- ROUND
- PRODUCT NAME:
- MUFFLER
MSRP: $463.95Now: $417.56Was: $463.95 -
On Sale
S&S CYCLE Grand National Mufflers - Black 550-0694
S&S CYCLE
MSRP: $562.95Now: $506.66Was: $562.95Race inspired Grand National endcap, High flowing baffle design, Aggressive sound and excellent horsepower, Removable dB reducer, Made in USA!18011204- SKU:
- 18011204
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- END CAP COLOR/FINISH:
- BLACK
- MODEL:
- GRAND NATIONAL
- OUTER DIAMETER IMPERIAL:
- 4'
- UNITS:
- PAIR
MSRP: $562.95Now: $506.66Was: $562.95Qty in Cart: 0Quantity:Price:MSRP: $562.95Now: $506.66Was: $562.95Subtotal:
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.
