Harley Exhaust Systems
Harley Bike Exhaust Systems at JJ Motorsports
Transform your Harley’s sound and power with premium full exhaust systems from JJ Motorsports, featuring 2-into-2, 2-into-1, and drag-pipe designs for massive torque, deeper tone, and classic style on Softail, Dyna, Touring, and Sportster models. These high-quality systems deliver dyno-proven performance and head-turning looks.
Shop Vance & Hines, Paughco, and Bassani Xhaust for race-proven quality. Explore related categories such as Harley exhaust for mufflers and headers, or Harley for air cleaners and tuning to complete your performance build.
Top Harley Exhaust Systems
- Vance & Hines Big Radius Chrome Exhaust 26007 – Iconic radius 2-into-2 chrome system; huge power gains and deep tone for Softail and Dyna.
- Paughco Slashcut Drag Exhaust 734 – Classic upswept drag pipes with slash-cut ends; raw vintage style for Big Twin and Sportster.
- Bassani Xhaust 2-1 Exhaust Stainless Steel Straight Can 1F28SS – Stainless 2-into-1 system with straight canister; maximum torque for Touring and Softail.
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
-
TRASK Assault 2:1 Exhaust - Full Stainless TM-5020
TRASK
$1,149.95A quality exhaust system is fundamental to any high-performance build—it's where power meets sound and efficiency. The TRASK Assault 2:1 delivers measurable gains in scavenging and flow while...18002209- SKU:
- 18002209
- Availability:
- Ships Same Business Day
- Weight:
- 21.30 LBS
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- UNITS:
- EACH
- MODEL:
- ASSAULT
- COLOR/FINISH:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- MUFFLER STYLE:
- MEGAPHONE
- STYLE:
- STRAIGHT
$1,149.95Qty in Cart: 0Quantity:Price:$1,149.95Subtotal: -
TRASK Nasty Bastard 2:1 Exhaust - Chrome TM-5720CH
TRASK
$1,399.95If you're running a big-displacement V-twin and want to unlock serious horsepower without sacrificing street manners, the TRASK Nasty Bastard delivers the flow you need. This 2:1 header design merges...18002133- SKU:
- 18002133
- Availability:
- Ships Same Business Day
- Weight:
- 19.40 LBS
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- MODEL:
- NASTY BASTARD
- STYLE:
- SHORT
- END CAP MATERIAL:
- BILLET
- MUFFLER STYLE:
- MEGAPHONE
- COLOR/FINISH:
- CHROME
- END CAP STYLE:
- TURN-OUT
- MUFFLER DIAMETER IMPERIAL:
- 3-1/2'
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
$1,399.95 -
TRASK Assault 2:1 Exhaust - Stainless Steel - '07-'17 Softail TM-5060
TRASK
$1,149.95A 2:1 exhaust system fundamentally changes how your Softail breathes, delivering improved scavenging and mid-range torque while giving your bike an unmistakable race-inspired presence. Built from...18002494- SKU:
- 18002494
- Availability:
- Ships Same Business Day
- Weight:
- 18.90 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRUSHED
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- UNITS:
- EACH
- END CAP STYLE:
- REVERSE CONE
- MODEL:
- ASSAULT
- MUFFLER STYLE:
- MEGAPHONE
- STYLE:
- STRAIGHT
- TYPE:
- FULL SYSTEM
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,149.95 -
TRASK Assault 2:1 Exhaust - Black/Stainless Steel - '07-'17 Softail TM-5060BK
TRASK
$1,149.95The TRASK Assault 2:1 exhaust delivers aggressive flow dynamics and a race-proven design that maximizes horsepower and torque on your '07-'17 Softail. This mandrel-bent, TIG-welded system reduces...18002495- SKU:
- 18002495
- Availability:
- Ships Same Business Day
- Weight:
- 18.60 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- BASE COLOR:
- BLACK
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- EXHAUST SYSTEM
- COLOR/FINISH:
- BLACK
- END CAP STYLE:
- REVERSE CONE
- MODEL:
- ASSAULT
- MUFFLER STYLE:
- MEGAPHONE
- STYLE:
- STRAIGHT
- UNITS:
- EACH
$1,149.95Qty in Cart: 0Quantity:Price:$1,149.95Subtotal: -
TRASK Assault 2:1 Exhaust - Stainless TM-5052
TRASK
$1,149.95A 2:1 exhaust manifold is fundamental to maximizing scavenging efficiency and extracting peak horsepower from your engine. The TRASK Assault combines lightweight stainless construction with...18002475- SKU:
- 18002475
- Availability:
- Ships Same Business Day
- Weight:
- 20.30 LBS
- COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- STYLE:
- STRAIGHT
- END CAP STYLE:
- CONICAL
- MUFFLER STYLE:
- MEGAPHONE
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MUFFLER COLOR/FINISH:
- RAW
- BASE FINISH:
- RAW
- MODEL:
- ASSAULT
- UNITS:
- EACH
$1,149.95 -
TRASK Assault 2:1 Exhaust - Black - Straight - '17-'20 Touring TM-5010BK
TRASK
$1,149.95A true 2:1 exhaust demands precision engineering, and TRASK delivers exactly that with meticulous hand fabrication and mandrel bending for optimal flow characteristics. This bolt-on system eliminates...18002448- SKU:
- 18002448
- Availability:
- Ships Same Business Day
- Weight:
- 19.80 LBS
- BASE COLOR:
- BLACK
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- STRAIGHT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- MILD STEEL
- MODEL:
- ASSAULT
- MUFFLER STYLE:
- MEGAPHONE
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- STREET
$1,149.95 -
TRASK Assault 2:1 Exhaust - Black - Straight - '07-'16 Touring TM-5000BK
TRASK
$1,149.95Factory exhaust systems restrict flow and rob your touring bike of usable power—the TRASK Assault 2:1 demands better. This handcrafted 2:1 header consolidates exhaust gases for improved scavenging...18002449- SKU:
- 18002449
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- MILD STEEL
- MODEL:
- ASSAULT
- MUFFLER STYLE:
- MEGAPHONE
- STYLE:
- STRAIGHT
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,149.95 -
TRASK Assault 2:1 Exhaust - '99-'06 FL TM-5040BK
TRASK
$1,149.95A true 2:1 exhaust system transforms your big twin's power delivery by optimizing scavenging and reducing backpressure across the RPM band. Built from mandrel-bent stainless steel and TIG welded for...18002451- SKU:
- 18002451
- Availability:
- Ships Same Business Day
- Weight:
- 20.40 LBS
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- STYLE:
- STRAIGHT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- MILD STEEL
- MODEL:
- ASSAULT
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- MUFFLER STYLE:
- MEGAPHONE
$1,149.95Qty in Cart: 0Quantity:Price:$1,149.95Subtotal: -
TRASK Assault 2:1 Exhaust - '99-'06 FL TM-5040
TRASK
$1,149.95A true 2:1 header design maximizes scavenging efficiency and exhaust flow on your Harley, delivering noticeable power gains across the RPM range. Built from mandrel-bent stainless steel and TIG...18002395- SKU:
- 18002395
- Availability:
- Ships Same Business Day
- Weight:
- 22.70 LBS
- END CAP STYLE:
- CONICAL
- MUFFLER STYLE:
- MEGAPHONE
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- STAINLESS STEEL
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MODEL:
- ASSAULT
- STYLE:
- STRAIGHT
- UNITS:
- EACH
$1,149.95 -
TRASK Big Sexy 2:1 M8 Exhaust - Black TM-5110BK
TRASK
$1,399.95If you're running a 117" M-Eight or any 140+ horsepower engine, you need an exhaust system engineered to match your power output—not restrict it. The TRASK Big Sexy 2:1 delivers a three-step header...18002497- SKU:
- 18002497
- Availability:
- Ships Same Business Day
- Weight:
- 13.60 LBS
- END CAP STYLE:
- CONICAL
- MUFFLER STYLE:
- MEGAPHONE
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BIG SEXY
- STYLE:
- ANGLED
$1,399.95 -
TRASK Big Sexy 2:1 M8 Exhaust - Polished TM-5110PO
TRASK
$1,599.95If you're running a 117" M-Eight or any high-displacement engine pushing 140+ horsepower, your stock exhaust is already costing you performance. The TRASK Big Sexy 2:1 M8 Exhaust delivers the flow...18002498- SKU:
- 18002498
- Availability:
- Ships Same Business Day
- Weight:
- 13.20 LBS
- END CAP STYLE:
- CONICAL
- MUFFLER STYLE:
- MEGAPHONE
- STYLE:
- ANGLED
- COLOR/FINISH:
- POLISHED
- MODEL:
- BIG SEXY
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
$1,599.95 -
TRASK Nasty Bastard 2:1 Exhaust - Black TM-5720BK
TRASK
$1,399.95If you're serious about extracting maximum power from your engine while keeping exhaust scavenging efficient, a quality 2:1 header design is non-negotiable. The TRASK Nasty Bastard delivers the flow...18002134- SKU:
- 18002134
- Availability:
- Ships Same Business Day
- Weight:
- 18.40 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MUFFLER DIAMETER IMPERIAL:
- 3-1/2'
- MUFFLER STYLE:
- MEGAPHONE
- END CAP STYLE:
- TURN-OUT
- MODEL:
- NASTY BASTARD
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- END CAP MATERIAL:
- BILLET
- STYLE:
- SHORT
$1,399.95 -
TRASK EXHAUST 2:1 ASLT VROD 07+ TM-5400BK
TRASK
$1,149.95The TRASK EXHAUST 2:1 ASLT delivers a measurable increase in horsepower and torque by optimizing exhaust scavenging through a tuned collector design—essential for V-Rod riders seeking real...18002521- SKU:
- 18002521
- Availability:
- Ships Same Business Day
- Weight:
- 16.60 LBS
$1,149.95Qty in Cart: 0Quantity:Price:$1,149.95Subtotal: -
BASSANI XHAUST B1 2:1 Exhaust - Chrome FLH-777
BASSANI XHAUST
$1,330.95If you've built or tuned your cruiser for serious horsepower, your stock or poorly-designed exhaust is leaving performance on the table. The Bassani B1 2:1 is engineered specifically for high-output...18001284- SKU:
- 18001284
- Availability:
- Ships Same Business Day
- Weight:
- 35.00 LBS
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- UNITS:
- EACH
- END CAP COLOR/FINISH:
- BILLET
- MATERIAL:
- ALUMINUM
- MODEL:
- ROAD RAGE II B1 POWER
- STYLE:
- STRAIGHT
- TYPE:
- FULL SYSTEM
- MUFFLER DIAMETER IMPERIAL:
- 4'
- PRODUCT NAME:
- EXHAUST SYSTEM
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$1,330.95Qty in Cart: 0Quantity:Price:$1,330.95Subtotal: -
BASSANI XHAUST B1 2:1 Exhaust - Black FLH-777B
BASSANI XHAUST
$1,270.45If you're running a tuned big-displacement motor pushing 125+ horsepower, your stock exhaust is costing you power and efficiency. The Bassani B1 2:1 uses an extended inner collector and equal-length...18001285- SKU:
- 18001285
- Availability:
- Ships Same Business Day
- Weight:
- 34.90 LBS
- COLOR/FINISH:
- POWDER-COATED
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- UNITS:
- EACH
- END CAP COLOR/FINISH:
- BILLET
- MATERIAL:
- ALUMINUM
- MUFFLER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- STYLE:
- STRAIGHT
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- END CAP COLOR/FINISH:
- BLACK
- MODEL:
- ROAD RAGE II B1 POWER
- TYPE:
- FULL SYSTEM
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,270.45 -
BASSANI XHAUST Megapower 2:1 Exhaust - 1-3/4" to 1-7/8" to 2" - Black FLH-767B
BASSANI XHAUST
$1,270.45If you're running a tuned big-twin with real power numbers, your factory exhaust is costing you performance and robbing you of the sound your engine deserves. The BASSANI XHAUST Megapower 2:1 is...18001283- SKU:
- 18001283
- Availability:
- Ships Same Business Day
- Weight:
- 33.10 LBS
- MATERIAL:
- STEEL
- END CAP COLOR/FINISH:
- BILLET
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- END CAP COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- MODEL:
- ROAD RAGE II MEGA POWER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MUFFLER DIAMETER IMPERIAL:
- 4'
- MUFFLER STYLE:
- MEGAPHONE
$1,270.45 -
BASSANI XHAUST Mega Power Exhaust - Chrome 1S12R
BASSANI XHAUST
$1,105.45If you're running a tuned, high-horsepower engine, exhaust scavenging and heat management become critical to maintaining consistent performance gains. The BASSANI XHAUST Mega Power delivers superior...18001512- SKU:
- 18001512
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
- COLOR/FINISH:
- CHROME
- MODEL:
- ROAD RAGE II MEGA POWER
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- END CAP COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- MUFFLER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- OXYGEN SENSOR:
- 12 MM
- OXYGEN SENSOR:
- 18 MM
- STYLE:
- SHORT
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- END CAP COLOR/FINISH:
- BILLET
- MATERIAL:
- STEEL
- MUFFLER STYLE:
- MEGAPHONE
- TYPE:
- FULL SYSTEM
$1,105.45Qty in Cart: 0Quantity:Price:$1,105.45Subtotal: -
BASSANI XHAUST Fishtail Exhaust - 39" - Softail 1S26E-39
BASSANI XHAUST
$1,594.95The BASSANI XHAUST Fishtail delivers the aggressive aesthetic and deep, commanding tone that serious Softail riders demand. With 1-3/4" head pipes engineered for optimal scavenging, this exhaust...18002333- SKU:
- 18002333
- Availability:
- Ships Same Business Day
- Weight:
- 33.80 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- MODEL:
- FISHTAIL DUALS
- MUFFLER STYLE:
- FISHTAIL
- END CAP STYLE:
- FISHTAIL
- FEATURES:
- WITHOUT BAFFLES
- MUFFLER DIAMETER IMPERIAL:
- 1-7/8'
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- STYLE:
- STRAIGHT
- TYPE:
- FULL SYSTEM
- UNITS:
- SET
- DESIGN/CONFIGURATION:
- 2-INTO-2 SYSTEM
- LENGTH IMPERIAL:
- 39'
$1,594.95 -
BASSANI XHAUST Greg Lutzka 2:1 Exhaust - FXD 1D2SSL
BASSANI XHAUST
$1,209.95The BASSANI XHAUST Greg Lutzka 2:1 Exhaust consolidates exhaust flow from your FXD into a single, high-velocity collector, reducing backpressure and unlocking measurable horsepower gains across the...18002135- SKU:
- 18002135
- Availability:
- Ships Same Business Day
- Weight:
- 20.50 LBS
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- COLOR/FINISH:
- RAW
- MUFFLER STYLE:
- MEGAPHONE
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- END CAP COLOR/FINISH:
- BRUSHED
- TYPE:
- FULL SYSTEM
- BASE FINISH:
- RAW
- MODEL:
- GREG LUTZKA LIMITED EDITION
- RIDING STYLE:
- STREET
- STYLE:
- UPSWEPT
- UNITS:
- EACH
$1,209.95Qty in Cart: 0Quantity:Price:$1,209.95Subtotal: -
BASSANI XHAUST Mega Power Exhaust - Black 1S12RB
BASSANI XHAUST
$1,040.55If you're running a tuned, high-horsepower engine, your stock exhaust is holding back peak performance and wasting thermal energy. The BASSANI XHAUST Mega Power delivers optimized scavenging and...18001513- SKU:
- 18001513
- Availability:
- Ships Same Business Day
- Weight:
- 27.15 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MODEL:
- ROAD RAGE II MEGA POWER
- MUFFLER STYLE:
- MEGAPHONE
- OXYGEN SENSOR:
- 12 MM
- UNITS:
- EACH
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- END CAP COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- MUFFLER DIAMETER IMPERIAL:
- 4'
- RIDING STYLE:
- STREET
- END CAP COLOR/FINISH:
- BILLET
- MATERIAL:
- STEEL
- TYPE:
- FULL SYSTEM
- OXYGEN SENSOR:
- 18 MM
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- SHORT
$1,040.55Qty in Cart: 0Quantity:Price:$1,040.55Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Exhaust Systems
- Compatibility: Ensure the system fits your Harley's model (e.g., Softail, Dyna, Touring, Sportster, Shovelhead, Evolution) and engine type. Use the vehicle selector for year-specific matches, focusing on designs compatible with OEM brackets or swingarm frames to avoid installation issues.
- Type of Use: For street cruising or touring, opt for 2-into-2 systems with deep tones and power gains; drag pipe enthusiasts benefit from unbaffled options for a classic growl in custom builds or high-performance setups.
- Components and Upgrades: Select full systems with headpipes, mufflers, heat shields, and baffles; add features like O² sensor bungs, fishtails, or slash-cut ends. Focus on blue-proof technology, removable baffles, and hardware kits for easy tuning and maintenance.
- Brand and Quality: Choose Vance & Hines for dyno-proven systems with huge power gains, Paughco for classic drag pipes made in USA, or Bassani for stainless steel 2-into-1 designs. Prioritize steel or stainless materials with chrome/black finishes for corrosion resistance and durability.
- Installation and Cost: Most systems are bolt-on with included hardware and slider channels; some require additional clamps. Prices range from $368.95 for basic drag pipes to $1,209.95 for premium full systems—factor in made-in-USA quality and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models do these exhaust systems support? Systems are compatible with Softail, Dyna, Touring, Sportster, Big Twin, Shovelhead, and Evolution models—use the year/make/model filter for exact matches, including 4-speed or rubber-mounted frames.
- How do full exhaust systems improve performance? Designs like Vance & Hines Big Shots or Bassani 2-into-1 provide increased horsepower/torque, volumetric efficiency, and a deep tone with features like Power Chamber™ or blue-proof shields.
- Are drag pipes suitable for all setups? Paughco slashcut or fishtail pipes offer a classic growl but are unbaffled; ideal for custom builds with kick/electric start, though may require adapters for O² sensors.
- What finishes and materials are available? Options include chrome or black powder-coated steel (Vance & Hines, Paughco) and stainless steel (Bassani) for heat resistance and style.
- What if a system doesn't fit my Harley? Verify model, frame, 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 mufflers, headpipes, tips, or full kits in the Harley exhaust category to complement your system upgrade for optimal sound and performance.
