Harley Exhaust
Harley Bike Exhaust Systems & Mufflers at JJ Motorsports
Transform your Harley's sound and performance with premium exhaust systems from JJ Motorsports. Our range includes mufflers, full systems, baffles, headers, and wraps designed for deeper rumble, increased horsepower, and blue-proof durability. Compatible with Road King, Street Glide, Softail, Dyna, and Touring models, these parts feature chrome or black finishes, CNC-machined end caps, and high-flow designs for optimal exhaust flow and style on the street or highway.
Shop trusted brands like Vance & Hines for race-inspired mufflers. Explore related categories such as Harley engine parts for rebuilds or Harley air and fuel for complete tuning.
Top Harley Exhaust Products
- VANCE & HINES 4" Eliminator Mufflers - Black 46714 – Large straight-can with CNC billet end caps for aggressive roar.
- VANCE & HINES O2 Sensor Plug Kit - 12mm 16935 – Zinc-plated plugs for pre-closed-loop models with O2 ports.
- VANCE & HINES Black Exhaust Wrap - 2"x25' 26523 – Fiberglass wrap reduces radiant heat by 50% with clamps included.
- VANCE & HINES Baffle - Quiet 21899 – Replacement baffle for toned-down sound on select systems.
- VANCE & HINES Chrome Big Radius Exhaust 26037 – 2-1/2" full header with scalloped tips and removable baffles.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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COBRA Speedster Slashdown Exhaust - '18-'20 FXFB/S 6864
COBRA
$796.95If you're running an '18-'20 FXFB/S and want authentic vintage styling without sacrificing modern performance, the COBRA Speedster Slashdown delivers both. This 2:2 exhaust system produces power gains typically reserved for restrictive 2:1 setups, thanks...18002306- SKU:
- 18002306
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
$796.95 -
COBRA Speedster RPT Short Exhaust 6794
COBRA
$786.95If you're running a 2.5-inch exhaust system and want to unlock additional horsepower without a complete overhaul, the COBRA Speedster RPT delivers Race Pro performance at a fraction of the cost. The Race Pro Tips and PowerPort technology provide...18002302- SKU:
- 18002302
- Availability:
- Ships Same Business Day
- Weight:
- 25.20 LBS
$786.95 -
COBRA 909 Exhaust - Black - '18-'20 Fat Bob 6714B
COBRA
$628.95If you're running a Fat Bob and want serious power gains without sacrificing the aggressive sound that defines modern cruiser culture, the COBRA 909 Exhaust delivers both. The PowerPort crossover design is engineered to maximize flow efficiency in a...18002299- SKU:
- 18002299
- Availability:
- Ships Same Business Day
- Weight:
- 25.30 LBS
$628.95 -
COBRA El Diablo Exhaust - Black - '18-'19 FLHC/FLSB 6479B
COBRA
$968.95The COBRA El Diablo Exhaust delivers measurable horsepower gains through optimized equal-length header design, eliminating restrictive stock piping while maintaining clean aesthetics. This bolt-on system combines performance with practicality—heat...18002295- SKU:
- 18002295
- Availability:
- Ships Same Business Day
- Weight:
- 25.20 LBS
$968.95Qty in Cart: 0Quantity:Price:$968.95Subtotal: -
COBRA El Diablo Exhaust - Black 6478B
COBRA
$968.95The COBRA El Diablo Exhaust delivers measurable horsepower gains through precision-engineered equal-length headers that optimize exhaust scavenging and reduce back-pressure. This bolt-on system combines functional heat management with aggressive styling,...18002293- SKU:
- 18002293
- Availability:
- Ships Same Business Day
- Weight:
- 27.40 LBS
$968.95 -
COBRA El Diablo Exhaust - Black - '18-'19 FXFB/S 6474B
COBRA
$968.95The COBRA El Diablo Exhaust delivers measurable horsepower gains while maintaining the clean, aggressive aesthetic your bike demands. Equal-length headers ensure balanced scavenging and optimal exhaust flow, translating directly to improved throttle...18002291- SKU:
- 18002291
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$968.95 -
COBRA El Diablo Exhaust - Black - '88-'06 Softail 6485B
COBRA
$968.95The COBRA El Diablo Exhaust transforms your classic Softail's power delivery through precision-engineered equal-length headers that optimize exhaust scavenging and increase horsepower. This bolt-on system eliminates restrictive stock piping while...18002289- SKU:
- 18002289
- Availability:
- Ships Same Business Day
- Weight:
- 27.50 LBS
$968.95Qty in Cart: 0Quantity:Price:$968.95Subtotal: -
COBRA El Diablo Exhaust - Black - '12-'17 Softail 6483B
COBRA
$968.95The COBRA El Diablo Exhaust delivers measurable horsepower gains while providing the heat management and durability your Softail demands. This bolt-on system features equal-length headers that optimize exhaust scavenging, resulting in improved engine...18002285- SKU:
- 18002285
- Availability:
- Ships Same Business Day
- Weight:
- 27.40 LBS
$968.95Qty in Cart: 0Quantity:Price:$968.95Subtotal: -
COBRA El Diablo Exhaust - Chrome - '12-'17 Softail 6483
COBRA
$913.95The COBRA El Diablo Exhaust delivers measurable horsepower gains through optimized equal-length headers and a free-flowing design that reduces exhaust restriction. If you're running a '12-'17 Softail and want bolt-on performance without compromising...18002284- SKU:
- 18002284
- Availability:
- Ships Same Business Day
- Weight:
- 27.80 LBS
$913.95 -
COBRA Speedster Slashdown Exhaust - '18-'20 Softail 6853B
COBRA
$948.95If you're running an '18-'20 Softail and want measurable power gains without compromising the classic aesthetic, the COBRA Speedster Slashdown delivers. This exhaust system leverages Cobra's proprietary PowerPort crossover technology to produce the kind...18002257- SKU:
- 18002257
- Availability:
- Ships Same Business Day
- Weight:
- 25.80 LBS
$948.95 -
COBRA Speedster Slashdown Exhaust - '18-'20 Softail 6853
COBRA
$878.95If you're running an '18-'20 Softail and want genuine power gains without sacrificing the classic two-pipe aesthetic, the COBRA Speedster Slashdown delivers. Cobra's proprietary PowerPort crossover technology extracts the kind of performance you'd expect...18002256- SKU:
- 18002256
- Availability:
- Ships Same Business Day
- Weight:
- 29.50 LBS
$878.95 -
COBRA Speedster RPT Short Exhaust 6792B
COBRA
$885.95If you're running a 2.5-inch exhaust system, the COBRA Speedster RPT Short Exhaust delivers measurable gains in both power and sound without compromising durability. The Race Pro Tips design and PowerPort technology work together to optimize exhaust...18002255- SKU:
- 18002255
- Availability:
- Ships Same Business Day
- Weight:
- 26.20 LBS
$885.95 -
COBRA Speedster RPT Short Exhaust 6792
COBRA
$786.95If you're running a 2.5-inch exhaust system, the COBRA Speedster RPT delivers measurable gains in both power and tone without sacrificing reliability. The Race Pro Tips design and PowerPort technology work together to optimize exhaust scavenging, while...18002254- SKU:
- 18002254
- Availability:
- Ships Same Business Day
- Weight:
- 30.20 LBS
$786.95Qty in Cart: 0Quantity:Price:$786.95Subtotal: -
COBRA 909 Exhaust - Black - '18-'20 Softail 6712B
COBRA
$628.95The COBRA 909 Exhaust delivers measurable performance gains and a commanding presence that separates your Softail from the rest. By incorporating COBRA's proven PowerPort crossover design, this short-system exhaust produces class-leading horsepower...18002253- SKU:
- 18002253
- Availability:
- Ships Same Business Day
- Weight:
- 26.20 LBS
$628.95 -
COBRA 909 Exhaust - Chrome - '18-'20 Softail 6712
COBRA
$603.95The COBRA 909 Exhaust delivers measurable performance gains through its PowerPort crossover design—a critical engineering feature that compensates for the system's compact length to produce class-leading horsepower. Beyond the dyno, you get the premium...18002252- SKU:
- 18002252
- Availability:
- Ships Same Business Day
- Weight:
- 30.20 LBS
$603.95 -
COBRA 3.5" El Diablo Exhaust - Black 6493B
COBRA
$968.95If you're serious about extracting maximum power from your engine while maintaining clean aesthetics under the bike, the COBRA 3.5" El Diablo Exhaust delivers the efficiency gains you need. Equal-length headers paired with a purpose-built collector...18002220- SKU:
- 18002220
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- EL DIABLO
- MUFFLER DIAMETER IMPERIAL:
- 3-1/2'
- END CAP COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- BASE COLOR:
- BLACK
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MUFFLER STYLE:
- ROUND
- STYLE:
- UPSWEPT
- UNITS:
- EACH
$968.95 -
COBRA El Diablo Exhaust - Black - 3.5" - '07-'13 XL 6492B
COBRA
$968.95The COBRA El Diablo Exhaust delivers measurable horsepower gains through engineered equal-length headers that optimize exhaust gas scavenging and flow efficiency. Its innovative collector design—positioned ahead of the footpeg—maximizes the mating of...18002218- SKU:
- 18002218
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$968.95 -
COBRA Powr-Flo 2:1 Exhaust - Black - '17-'20 FL 6451RB
COBRA
$1,141.95The Milwaukee Eight demands exhaust flow that matches its displacement and aggression. The COBRA Powr-Flo 2:1 pairs a massive 2.5-inch collector with a sealed 4.5-inch muffler shell to unlock big horsepower and torque gains, especially when paired with a...18002216- SKU:
- 18002216
- Availability:
- Ships Same Business Day
- Weight:
- 35.20 LBS
- END CAP COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MODEL:
- POWR-FLO
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- EXHAUST SYSTEM
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MUFFLER DIAMETER IMPERIAL:
- 4-1/2'
- STYLE:
- STRAIGHT
- TYPE:
- FULL SYSTEM
$1,141.95 -
COBRA Powr-Flo 2:1 Exhaust - Chrome - '17-'20 FL 6451
COBRA
$1,036.95If you're running a Milwaukee Eight and serious about extracting real horsepower, exhaust scavenging matters—and the COBRA Powr-Flo 2:1 is engineered around what this engine demands. The oversized 2.5-inch collector and tuned 4.5-inch muffler shell work...18002215- SKU:
- 18002215
- Availability:
- Ships Same Business Day
- Weight:
- 35.55 LBS
- MATERIAL:
- STEEL
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MODEL:
- POWR-FLO
- STYLE:
- STRAIGHT
- UNITS:
- EACH
- MUFFLER DIAMETER IMPERIAL:
- 4-1/2'
- TYPE:
- FULL SYSTEM
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
$1,036.95 -
COBRA Dual Speedster Exhaust - Chrome - Fishtail - '17-'19 Dresser 6975
COBRA
$1,130.95If you're looking to unlock real power gains on your touring rig without sacrificing the classic dual-exhaust aesthetic, the COBRA Dual Speedster delivers. This system combines the proven performance of a 2-into-1 design with the visual appeal of...18002185- SKU:
- 18002185
- Availability:
- Ships Same Business Day
- Weight:
- 43.50 LBS
$1,130.95