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
-
COBRA RPT Mufflers - Chrome - '15-'20 Freewheeler 6300
COBRA
$912.95The Freewheeler's compact chassis demands exhaust systems engineered specifically for its proportions—and this is where most universal bagger mufflers fail. COBRA RPT mufflers are purpose-built to...18010814- SKU:
- 18010814
- Availability:
- Ships Same Business Day
- Weight:
- 22.85 LBS
- MODEL:
- RPT
- END CAP MATERIAL:
- ALUMINUM
- END CAP STYLE:
- STRAIGHT-CUT
- STYLE:
- ROUND
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- OUTER DIAMETER IMPERIAL:
- 3-3/4'
- TYPE:
- SLIP-ON
- UNITS:
- PAIR
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- STREET
$912.95 -
COBRA 3" Neighbor Hater Mufflers for '91-'17 Dyna - Chrome 6045
COBRA
$485.95If you're running a Dyna and want your bike to announce itself before you even come into view, the COBRA 3" Neighbor Hater Mufflers deliver the aggressive sound profile riders crave without...18011396- SKU:
- 18011396
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
- OUTER DIAMETER IMPERIAL:
- 3'
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
- COLOR/FINISH:
- CHROME
- END CAP STYLE:
- ROLLED TIP
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- MODEL:
- NEIGHBOR HATERS™
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
$485.95 -
DRAG SPECIALTIES 4" Mufflers for FL - Chrome H00967
DRAG SPECIALTIES
$417.25If you're running FL models and want to unlock genuine performance gains without sacrificing sound quality, these Drag Specialties 4" mufflers deliver the flow characteristics serious riders demand...18011189- SKU:
- 18011189
- Availability:
- Ships Same Business Day
- Weight:
- 22.80 LBS
- LENGTH IMPERIAL:
- 28'
- TYPE:
- SLIP-ON
- BASE FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
- MATERIAL:
- STEEL
- MUFFLER COLOR/FINISH:
- CHROME
- STYLE:
- SLASH-DOWN
$417.25 -
On Sale
S&S CYCLE Ceramic Black Grand National Mufflers for Fat Bob 550-0734
S&S CYCLE
MSRP: $613.95Now: $564.83Was: $613.95If you're running a Fat Bob and want real power gains without compromise, these S&S Cycle Grand National mufflers deliver measurable horsepower and torque while replacing that stock whisper with a...18011234- SKU:
- 18011234
- Availability:
- Ships Same Business Day
- Weight:
- 18.15 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CERAMIC
- PRODUCT NAME:
- MUFFLER
- END CAP COLOR/FINISH:
- BLACK
- MODEL:
- GRAND NATIONAL
- OUTER DIAMETER IMPERIAL:
- 4'
- UNITS:
- PAIR
MSRP: $613.95Now: $564.83Was: $613.95 -
On Sale
S&S CYCLE Grand National Mufflers - Ceramic Black 550-0725
S&S CYCLE
MSRP: $489.95Now: $450.75Was: $489.95If you're serious about extracting maximum performance from your engine, exhaust system design directly impacts your power output. The S&S Cycle Grand National Mufflers deliver a measurable 17%...18011278- SKU:
- 18011278
- Availability:
- Ships Same Business Day
- Weight:
- 15.80 LBS
- RIDING STYLE:
- STREET
- MODEL:
- GRAND NATIONAL
- STYLE:
- STRAIGHT CAN
- TYPE:
- SLIP-ON
- BASE COLOR:
- BLACK
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- END CAP COLOR/FINISH:
- BLACK
- MUFFLER COLOR/FINISH:
- CERAMIC
- UNITS:
- PAIR
MSRP: $489.95Now: $450.75Was: $489.95Qty in Cart: 0Quantity:Price:MSRP: $489.95Now: $450.75Was: $489.95Subtotal: -
On Sale
S&S CYCLE Slash Cut Race Mufflers - Black 550-0735
S&S CYCLE
MSRP: $463.95Now: $426.83Was: $463.95If you're running stock mufflers, you're leaving performance on the table—both in sound and in exhaust flow. The S&S Cycle Slash Cut Race Mufflers deliver the aggressive, deep rumble that separates...18011354- SKU:
- 18011354
- Availability:
- Ships Same Business Day
- Weight:
- 14.15 LBS
- MODEL:
- RACE
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- COLOR/FINISH:
- GUARDIAN BLACK
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
MSRP: $463.95Now: $426.83Was: $463.95 -
On Sale
S&S CYCLE Slash Cut Race Mufflers - Chrome 550-0736
S&S CYCLE
MSRP: $463.95Now: $426.83Was: $463.95If you're running a Harley-Davidson and tired of the stock muffler's bland tone, the S&S Cycle Slash Cut Race Mufflers deliver the aggressive, deep rumble that matches your bike's performance...18011355- SKU:
- 18011355
- Availability:
- Ships Same Business Day
- Weight:
- 14.90 LBS
- MODEL:
- RACE
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- MUFFLER COLOR/FINISH:
- CHROME
- TYPE:
- SLIP-ON
MSRP: $463.95Now: $426.83Was: $463.95 -
On Sale
S&S CYCLE Grand National Race Mufflers for Softail - Black 550-0737
S&S CYCLE
MSRP: $463.95Now: $426.83Was: $463.95If you're running a Softail and tired of a muffler that prioritizes silence over character, the S&S Cycle Grand National Race Mufflers deliver the aggressive exhaust note your bike deserves while...18011360- SKU:
- 18011360
- Availability:
- Ships Same Business Day
- Weight:
- 14.43 LBS
- END CAP COLOR/FINISH:
- BLACK
- END CAP STYLE:
- ROUND
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- MUFFLER COLOR/FINISH:
- BLACK
- TYPE:
- SLIP-ON
- MODEL:
- GRAND NATIONAL
- PRODUCT NAME:
- MUFFLER
MSRP: $463.95Now: $426.83Was: $463.95 -
On Sale
S&S CYCLE GNX Mufflers - 4.5" - Chrome 550-0991
S&S CYCLE
MSRP: $593.95Now: $546.43Was: $593.95If you're running an M8 and want genuine V-Twin character without committing to a full exhaust system, the S&S CYCLE GNX slip-on delivers a muscular, rowdier tone right out of the box. The louvered...18011461- SKU:
- 18011461
- Availability:
- Ships Same Business Day
- Weight:
- 25.80 LBS
- END CAP COLOR/FINISH:
- TUXEDO BLACK
- BASE FINISH:
- CHROME
- OUTER DIAMETER IMPERIAL:
- 4-1/2'
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- MODEL:
- GNX
- MUFFLER COLOR/FINISH:
- CHROME
- TYPE:
- SLIP-ON
MSRP: $593.95Now: $546.43Was: $593.95 -
On Sale
S&S CYCLE GNX Mufflers - 4.5" - Black 550-0990
S&S CYCLE
MSRP: $593.95Now: $546.43Was: $593.95Upgrade your M8's exhaust note without committing to a full system overhaul. The S&S Cycle GNX slip-on delivers genuine V-Twin character through a louvered baffle design that produces a deeper, more...18011462- SKU:
- 18011462
- Availability:
- Ships Same Business Day
- Weight:
- 25.40 LBS
- BASE COLOR:
- BLACK
- TYPE:
- SLIP-ON
- RIDING STYLE:
- STREET
- END CAP COLOR/FINISH:
- TUXEDO BLACK
- MODEL:
- GNX
- OUTER DIAMETER IMPERIAL:
- 4-1/2'
- UNITS:
- PAIR
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
MSRP: $593.95Now: $546.43Was: $593.95Qty in Cart: 0Quantity:Price:MSRP: $593.95Now: $546.43Was: $593.95Subtotal: -
On Sale
S&S CYCLE Slash Cut 50 State Mufflers - Black 550-0752B
S&S CYCLE
MSRP: $1,235.95Now: $1,137.07Was: $1,235.95If you're looking to unlock real horsepower and torque gains while keeping your build 50-state legal, these S&S Cycle Slash Cut mufflers deliver both performance and compliance without compromise...18011474- SKU:
- 18011474
- Availability:
- Ships Same Business Day
- Weight:
- 15.90 LBS
- COLOR/FINISH:
- GUARDIAN BLACK
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- BLACK
- STYLE:
- SLASH-CUT
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $1,235.95Now: $1,137.07Was: $1,235.95Qty in Cart: 0Quantity:Price:MSRP: $1,235.95Now: $1,137.07Was: $1,235.95Subtotal: -
On Sale
S&S CYCLE Slash Cut 50 State Mufflers - Chrome 550-0753B
S&S CYCLE
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95If you're running a Harley and want measurable power gains without compromising street legality, these S&S mufflers deliver genuine horsepower and torque improvements while maintaining SAE J2825...18011475- SKU:
- 18011475
- Availability:
- Ships Same Business Day
- Weight:
- 16.20 LBS
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- STYLE:
- SLASH-CUT
- TYPE:
- SLIP-ON
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95 -
On Sale
S&S CYCLE Grand National 50 State Mufflers - Black 550-0754B
S&S CYCLE
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95If you're running a stock muffler system, you're leaving horsepower on the table and missing out on the aggressive sound profile that matches your bike's true performance potential. The S&S Cycle...18011476- SKU:
- 18011476
- Availability:
- Ships Same Business Day
- Weight:
- 16.40 LBS
- MODEL:
- GRAND NATIONAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- END CAP STYLE:
- STRAIGHT-CUT
- MUFFLER COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GUARDIAN BLACK
- TYPE:
- SLIP-ON
- END CAP COLOR/FINISH:
- BLACK
- MUFFLER COLOR/FINISH:
- CERAMIC
- RIDING STYLE:
- STREET
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95 -
On Sale
S&S CYCLE Grand National 50 State Mufflers - Chrome 550-0755B
S&S CYCLE
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95If you're running stock mufflers, you're leaving performance on the table—and your bike sounds like it. The S&S Cycle Grand National 50 State Mufflers deliver the deep, race-inspired rumble your...18011477- SKU:
- 18011477
- Availability:
- Ships Same Business Day
- Weight:
- 16.40 LBS
- END CAP COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- END CAP STYLE:
- STRAIGHT-CUT
- MODEL:
- GRAND NATIONAL
- MUFFLER COLOR/FINISH:
- CHROME
- TYPE:
- SLIP-ON
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95 -
On Sale
S&S CYCLE Grand National Muffler 550-0757B
S&S CYCLE
MSRP: $1,231.95Now: $1,133.39Was: $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...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: $1,133.39Was: $1,231.95 -
On Sale
S&S CYCLE Stainless Steel Grand National Muffler for FTR 1200 550-0854
S&S CYCLE
MSRP: $520.95Now: $479.27Was: $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...18113798- SKU:
- 18113798
- Availability:
- Ships Same Business Day
- Weight:
- 7.25 LBS
MSRP: $520.95Now: $479.27Was: $520.95 -
On Sale
S&S CYCLE Grand National Mufflers - Chrome 550-0693
S&S CYCLE
MSRP: $562.95Now: $517.91Was: $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...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: $517.91Was: $562.95 -
On Sale
S&S CYCLE Grand National Mufflers - Chrome 550-0689
S&S CYCLE
MSRP: $562.95Now: $517.91Was: $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...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: $517.91Was: $562.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Black 550-0696
S&S CYCLE
MSRP: $562.95Now: $517.91Was: $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...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: $517.91Was: $562.95 -
On Sale
S&S CYCLE Slash Cut Mufflers - Chrome 550-0691
S&S CYCLE
MSRP: $562.95Now: $517.91Was: $562.95If 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...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: $562.95Now: $517.91Was: $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.
