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: $1,231.95Stock mufflers are engineered for whisper-quiet operation and emissions compliance—not performance. The S&S Cycle Grand National Muffler swaps that compromise for a race-inspired exhaust note that delivers measurable gains in horsepower and torque when...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: $520.95If you're serious about extracting maximum performance from your FTR 1200 while maintaining a factory-race aesthetic, the S&S Cycle Grand National Muffler delivers competition-proven sound management without compromise. This stainless steel system...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: $562.95If you're serious about maximizing exhaust flow and extracting every available horsepower from your engine, the S&S Cycle Grand National Mufflers deliver the performance gains you need without sacrificing build quality. The race-inspired design cuts...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: $562.95If you're serious about extracting maximum horsepower and commanding attention on the road, the S&S Cycle Grand National Mufflers deliver aggressive performance without sacrificing build quality. The race-inspired design combines a high-flowing baffle...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: $562.95If you're running a Harley-Davidson and want genuine exhaust presence without compromise, the S&S Cycle Slash Cut Mufflers deliver the aggressive tone serious riders demand. The removable dB reducer lets you dial in your sound signature—run loud for the...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: $545.95If you're running a Harley or compatible cruiser and want an exhaust that announces your presence with genuine aggression, the S&S Cycle Slash Cut Mufflers deliver classic styling backed by authentic performance. These stripped-down mufflers shed...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: $545.95 -
On Sale
S&S CYCLE Grand National Muffler - Ceramic Black 550-0703
S&S CYCLE
MSRP: $347.95Now: $313.16Was: $347.95If you're serious about extracting maximum performance from your cruiser, the S&S Cycle Grand National Muffler delivers measurable gains where it counts—10.5% more horsepower and 19.8% more torque when paired with the Stealth Air Cleaner Kit. This isn't...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: $819.95The S&S Cycle Mk45 Thruster mufflers deliver the deep, aggressive exhaust note that defines authentic cruiser presence—while actually improving horsepower and torque output. Unlike cosmetic exhaust upgrades, these dual-construction mufflers combine a...18011074- SKU:
- 18011074
- Availability:
- Ships Same Business Day
- Weight:
- 29.10 LBS
MSRP: $819.95Now: $737.96Was: $819.95Qty in Cart: 0Quantity:Price:MSRP: $819.95Now: $737.96Was: $819.95Subtotal: -
On Sale
S&S CYCLE Mufflers - Chrome - Black Thruster 550-0664
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95If you're running a Harley-Davidson touring rig and want to shed excess weight while unlocking measurable gains in horsepower and torque, the S&S Cycle Mk45 Thruster mufflers deliver serious performance without compromising sound quality. These aren't...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: $819.95If you're running a touring setup and want genuine performance gains without sacrificing ride quality, the S&S Cycle Mk45 mufflers deliver measurable improvements in horsepower and torque while maintaining the deep, aggressive exhaust note serious riders...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: $819.95If you're running a Harley-Davidson touring model and want genuine power gains without sacrificing durability, the S&S Cycle Mk45 mufflers deliver both. These aren't just bolt-on styling pieces—the dual stainless steel baffle and RaceTEX packing work...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: $819.95The S&S Cycle Mk45 4.5" Touring Mufflers deliver a distinctive deep rumble while unlocking measurable horsepower and torque gains—decades of S&S engineering distilled into a bolt-on upgrade that transforms your M8 Touring's exhaust note and performance...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: $819.95If you're running a Harley-Davidson Touring model and want measurable gains in horsepower and torque without sacrificing reliability, the S&S Cycle Mk45 mufflers deliver both performance and presence. The dual stainless steel baffle and RaceTEX packing...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: $819.95If you're running a Harley-Davidson touring bike, exhaust tone and performance go hand-in-hand. S&S Cycle's Mk45 4.5" Touring Mufflers deliver a signature deep rumble while unlocking measurable gains in horsepower and torque—all without sacrificing the...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: $819.95If you're running a Harley-Davidson touring rig, exhaust noise and performance are two sides of the same coin—and the S&S Cycle 4.5" Mufflers deliver both without compromise. These purpose-built touring mufflers combine decades of S&S engineering with a...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: $819.95If you're running a Harley touring bike and want genuine performance gains paired with a signature exhaust note, the S&S Cycle 4.5" Mufflers deliver the deep rumble and measurable horsepower and torque increases that justify the investment. These aren't...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: $819.95If you're running a touring setup but refuse to sacrifice performance for comfort, the S&S Cycle 4.5" Mufflers deliver the deep, commanding exhaust note you want while extracting measurable horsepower and torque gains. The dual-construction...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: $819.95If you're running a touring bike and want measurable improvements in power delivery without sacrificing durability, the S&S Cycle 4.5" Mufflers deliver. The dual-chamber design—combining a stainless steel baffle with RaceTEX cartridge packing—produces a...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: $463.95If you're running a Softail and tired of a muted exhaust note that doesn't match your bike's performance potential, the S&S Cycle Grand National Race Mufflers deliver the aggressive, deep rumble that commands attention. These purpose-built mufflers...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: $562.95If you're serious about maximizing exhaust flow and unlocking additional horsepower on your cruiser, the S&S CYCLE Grand National Mufflers deliver aggressive performance without compromise. The race-inspired endcap and high-flowing baffle design reduce...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: $562.95
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.
