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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- Qty in Cart
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- Price
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VANCE & HINES Twin Slash Slip-On Muffler - Black 46672
VANCE & HINES
$599.95The VANCE & HINES Twin Slash Slip-On Muffler delivers the aggressive sound and proven performance upgrades that serious riders expect from the industry's most trusted exhaust manufacturer. This pair...18011803- SKU:
- 18011803
- Availability:
- Ships Same Business Day
- Weight:
- 26.25 LBS
$599.95 -
VANCE & HINES Blackbird 450 Slip-On Mufflers - Black 46792
VANCE & HINES
$749.95If you're running a cruiser or touring bike that demands a commanding presence and genuine performance gains, the Vance & Hines Blackbird 450 slip-on mufflers deliver the aggressive tone and improved...18011804- SKU:
- 18011804
- Availability:
- Ships Same Business Day
- Weight:
- 30.60 LBS
$749.95 -
VANCE & HINES Blackbird 450 Slip-On Mufflers - Chrome 16792
VANCE & HINES
$799.95If you're running a Milwaukee Eight and want to maximize airflow while commanding attention on the road, the Vance & Hines Blackbird 450 slip-on mufflers deliver aggressive sound with genuine...18011806- SKU:
- 18011806
- Availability:
- Ships Same Business Day
- Weight:
- 30.10 LBS
$799.95 -
On Sale
S&S CYCLE Grand National Slip-On Muffler - Brushed Stainless Steel - X*500 550-1114
S&S CYCLE
MSRP: $449.95Now: $413.95Was: $449.95If you're building a performance exhaust system that delivers genuine power gains without compromise, the S&S Cycle Grand National Slip-On Muffler offers the flow characteristics and sound profile...18011809- SKU:
- 18011809
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
MSRP: $449.95Now: $413.95Was: $449.95 -
On Sale
S&S CYCLE 4-1/2" MK45 Performance Slip-On Mufflers - Lava Chrome - 50-State 550-1113
S&S CYCLE
MSRP: $922.95Now: $849.11Was: $922.95If you're running a Harley-Davidson and want a slip-on that delivers genuine performance gains without sacrificing street legality, the S&S Cycle MK45 exhaust is built to meet that demand. The...18011810- SKU:
- 18011810
- Availability:
- Ships Same Business Day
- Weight:
- 26.60 LBS
MSRP: $922.95Now: $849.11Was: $922.95 -
Khrome Werks 4-1/2 HP-Plus Slip-On Mufflers with Klassic Tip for 2017-2024 Harley-Davidson Touring Models 201930
KHROME WERKS
$999.95If you're looking to unlock genuine performance gains from your M8 Touring engine, these slip-ons deliver measurable power increases without requiring a full exhaust system overhaul. The HP-Plus...18011822- SKU:
- 18011822
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$999.95 -
Khrome Werks 4-1/2 HP-Plus Slip-On Mufflers with Edge Tip Eclipse 2017-2024 Touring 201935
KHROME WERKS
$999.95Stock mufflers rob your Touring of both character and performance potential. These Khrome Werks slip-ons deliver measurable gains—12% more torque, 7% more power—while giving your bike the aggressive,...18011823- SKU:
- 18011823
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$999.95 -
Khrome Werks 4-1/2" HP-Plus Slip-On Mufflers with Race Tip Chrome 202935
KHROME WERKS
$845.95If you're running stock exhaust, you're leaving measurable performance on the table. The Khrome Werks 4-1/2" HP-Plus Slip-On Mufflers deliver dyno-verified gains—12% torque increase, 7% power...18011825- SKU:
- 18011825
- Availability:
- Ships Same Business Day
- Weight:
- 24.35 LBS
$845.95 -
Khrome Werks 4-1/2 HP-Plus Slip-On Mufflers with Race Tip for 2017-2024 Harley Touring 202940
KHROME WERKS
$845.95If you're running a Harley Touring rig, your exhaust system is doing more than making noise—it's impacting your bike's torque delivery and throttle response. The Khrome Werks HP-Plus Slip-Ons deliver...18011826- SKU:
- 18011826
- Availability:
- Ships Same Business Day
- Weight:
- 24.90 LBS
$845.95 -
Khrome Werks 4-1/2" HP-Plus Slip-On Mufflers with Race Tip for 2017-2024 Harley Touring 201940
KHROME WERKS
$999.95If you're running a Harley Touring and want measurable performance gains without a full exhaust system overhaul, the Khrome Werks HP-Plus Slip-On Mufflers deliver proven results—12% torque and 7%...18011827- SKU:
- 18011827
- Availability:
- Ships Same Business Day
- Weight:
- 24.70 LBS
$999.95 -
Khrome Werks 4-1/2" HP-Plus Slip-On Mufflers with Race Tip Chrome 202915
KHROME WERKS
$845.95If you're running a Twin Cam and settling for stock exhaust, you're leaving power on the table. The Khrome Werks HP-Plus slip-ons deliver measurable performance gains—12% more torque and 7% increased...18011828- SKU:
- 18011828
- Availability:
- Ships Same Business Day
- Weight:
- 24.60 LBS
$845.95 -
Khrome Werks 4-1/2 HP-Plus Slip-On Mufflers with Race Tip Black 1995-2016 Harley Touring 202920
KHROME WERKS
$845.95If you're running a Twin Cam Harley and want measurable performance gains without compromise, slip-on mufflers are the most straightforward upgrade available. The Khrome Werks HP-Plus delivers...18011829- SKU:
- 18011829
- Availability:
- Ships Same Business Day
- Weight:
- 25.20 LBS
$845.95 -
VANCE & HINES Supersport Slip-On Mufflers - Chrome - Touring 16721
VANCE & HINES
$749.95If you're running an M8 Bagger, you know that aggressive styling deserves equally aggressive sound. The Vance & Hines Supersport Slip-On Mufflers deliver a deeper, more commanding roar while...18011830- SKU:
- 18011830
- Availability:
- Ships Same Business Day
- Weight:
- 24.90 LBS
$749.95 -
VANCE & HINES Supersport Slip-On Mufflers - Black - Touring 46721
VANCE & HINES
$699.95If you're running an M8 Bagger, you know the stock exhaust muffles what should be a commanding presence. The Vance & Hines Supersport Slip-On delivers the aggressive sound and visual impact your...18011831- SKU:
- 18011831
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
$699.95 -
On Sale
S&S CYCLE 4" Grand National Slip-On Muffler - Stainless Steel - Sportster S 550-1111
S&S CYCLE
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95The S&S Cycle Grand National slip-on delivers the aggressive sound and styling that Sportster S riders demand, while the removable dB reducer gives you legal street compliance without sacrificing...18011836- SKU:
- 18011836
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
MSRP: $1,231.95Now: $1,133.39Was: $1,231.95 -
VANCE & HINES Twin Slash Slip-On Mufflers - PCX* - Black 46379
VANCE & HINES
$699.95If you're looking to unlock additional torque across your powerband while adding a distinctive exhaust note that sounds as good as it performs, the Vance & Hines Twin Slash Slip-On Mufflers deliver...18011837- SKU:
- 18011837
- Availability:
- Ships Same Business Day
- Weight:
- 14.90 LBS
$699.95 -
VANCE & HINES Twin Slash Slip-On Mufflers - Black 46796
VANCE & HINES
$699.95The Vance & Hines Twin Slash Slip-On Mufflers deliver the aggressive, throaty exhaust note that defines modern Harley performance without sacrificing rideability. These bolt-on mufflers are...18011838- SKU:
- 18011838
- Availability:
- Ships Same Business Day
- Weight:
- 24.20 LBS
$699.95 -
VANCE & HINES 3" Twin Slash Slip-On Mufflers - Chrome 16842
VANCE & HINES
$549.95The VANCE & HINES 3" Twin Slash Slip-On Mufflers deliver a aggressive exhaust note with measurable performance gains while maintaining street-legal compliance. These chrome-finished mufflers are...18011780- SKU:
- 18011780
- Availability:
- Ships Same Business Day
- Weight:
- 16.00 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- MODEL:
- TWIN SLASH
- OUTER DIAMETER IMPERIAL:
- 3'
- STYLE:
- ROUND
- TYPE:
- SLIP-ON
- END CAP STYLE:
- SLASH-CUT
$549.95 -
VANCE & HINES 3" Twin Slash Slip-On Mufflers - Black 46842
VANCE & HINES
$549.95The VANCE & HINES 3" Twin Slash Slip-On Mufflers deliver a measurable increase in exhaust flow and horsepower while maintaining street-legal sound levels. These bolt-on mufflers replace your stock...18011781- SKU:
- 18011781
- Availability:
- Ships Same Business Day
- Weight:
- 16.00 LBS
- MODEL:
- TWIN SLASH
- OUTER DIAMETER IMPERIAL:
- 3'
- STYLE:
- ROUND
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- END CAP STYLE:
- SLASH-CUT
$549.95 -
VANCE & HINES 3" Twin Slash Slip-On Muffler - Chrome 16834
VANCE & HINES
$549.95If you're running a Harley-Davidson and want measurable gains in throttle response and exhaust scavenging, a quality slip-on muffler is one of the highest-ROI modifications available. The VANCE &...18011784- SKU:
- 18011784
- Availability:
- Ships Same Business Day
- Weight:
- 15.60 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- TWIN SLASH
- TYPE:
- SLIP-ON
- OUTER DIAMETER IMPERIAL:
- 3'
- RIDING STYLE:
- STREET
- STYLE:
- ROUND
$549.95
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.
