Cobra 4.5″ Gen2 NH Slip-On Mufflers for Harley Touring
Cobra Gen2 NH: The Authority in High-Volume Bagger Sound
The Cobra 4.5″ Gen2 NH (Neighbor Hater) Slip-On Mufflers represent the 2026 pinnacle of high-output exhaust design for Harley-Davidson Touring enthusiasts. For the rider who wants to be heard without compromising the quality of the sound, the Gen2 NH is the gold standard. By utilizing a massive 4.5-inch diameter shell, Cobra has created a huge expansion chamber that emphasizes the low-frequency “thump” of the V-Twin engine. Unlike smaller mufflers that can sound raspy at high RPMs, the Gen2 NH maintains a rich, hollow roar that commands respect at idle and screams with authority under hard acceleration. Whether you’re outfitting a 2026 Street Glide or a classic Road King, these mufflers deliver the secure, industrial-strength performance needed to stand out in the 2026 rally season.
Refined Engineering and Custom Show-Quality Finish
What sets the Gen2 series apart in the 2026 marketplace is the evolution of its internal architecture. Cobra has refined the “Neighbor Hater” baffle to ensure that while the volume is high, the performance isn’t sacrificed. The stepped, perforated constant-velocity core is engineered to improve exhaust flow, which results in noticeable mid-range torque gains—essential for passing power when your bagger is fully loaded. The aesthetic is equally impressive; the 4.5-inch bodies feature a precision rolled-steel tip with a black inner lining, creating a “venturi” look that adds depth to the rear of the bike. Available in mirror-bright chrome or high-temperature black ceramic, these mufflers are finished with a multi-step process designed to resist thermal blueing, ensuring your 1995-2026 bagger retains its premium look through thousands of miles of high-heat travel.
Cobra 4.5″ Gen2 NH Technical Specifications
- Fitment: Harley-Davidson Touring Models (Street Glide, Road Glide, Electra Glide, Road King).
- Muffler Diameter: Oversized 4.5-Inch canisters for maximum bass response.
- Tip Style: Signature Gen2 Rolled Edge with machined inner detailing.
- Baffle: High-flow, constant-velocity perforated core.
- Finish Options: Show-Quality Chrome or Matte Black Ceramic.
- Performance: Optimized for Stage 1 builds; improves mid-range torque.
- Origin: 100% Handcrafted in the USA.
Expert Installation & Performance Advice
As specialists in high-performance V-Twin exhausts, we recommend the Cobra Gen2 NH for riders who prioritize sound volume and depth. Pro Tip: To get the most out of these high-flow mufflers, we highly suggest a fuel management system (like the Cobra Fi2000 or a Vance & Hines Fuelpak) to ensure your 2026 air-fuel ratios remain balanced. Installation Note: These are a direct slip-on for factory head pipes; however, always inspect your exhaust hangers and clamps for wear before finishing the install. Maintenance Note: To maintain the luster of your chrome Gen2 tips, use a non-abrasive metal polish once a month; for black ceramic, a simple wipe-down with a pH-neutral cleaner will keep them looking stealthy. Safety Note: Double-check the torque on your mounting bolts after the first 100 miles of 2026 riding to account for the thermal expansion of the massive 4.5-inch canisters.
The Professional Standard for Aggressive Bagger Exhausts
Choosing Cobra 4.5″ Gen2 NH Slip-Ons means investing in unmatched acoustic presence and custom aesthetic impact. It offers a unique combination of high-velocity flow and a deep, thundering roar that honors the heritage of the American V-Twin. For the rider who wants the boldest sound and the biggest look for the 2026 season, the Cobra Gen2 NH is the unmatched leader. Bolt them on, twist the throttle, and ride the distance.
Cobra 4.5″ Gen2 NH Slip-On Mufflers for Harley Touring
The Cobra Gen 2 Neighbor Haters Slip-Ons feature a soul-lifting boom for those riders who think too loud is just right.
Features:
- Sold as a pair
- Chrome finish
- Black end cap
- 50-State legal
| ct Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Chrome/Black | 57368 | 57368 | 31548 | 6290 | In Stock: Ships within 24 hours |
| Black/Black | 57367 | 57367 | 6290RB | In Stock: Ships within 24 hours |
This Product Fits
Harley Davidson
Electra Glide Classic FLHTC/I 1999-2013
Electra Glide Standard FLHT 2019-2022
Electra Glide Standard FLHT/I 1999-2009
Electra Glide Ultra Classic FLHTCU/I 1999-2016
Electra Glide Ultra Classic FLHTCU/I 2017-2019
Electra Glide Ultra Classic Low FLHTCUL 2015-2016
Electra Glide Ultra Limited CVO/SE FLHTKSE 2017-2021
Electra Glide Ultra Limited FLHTK 2010-2016
Electra Glide Ultra Limited FLHTK 2017-2024
Electra Glide Ultra Limited Low FLHTKL 2015-2016
Electra Glide Ultra Limited Low FLHTKL 2017-2019
Road Glide Custom FLTRX 2010-2013
Road Glide CVO/SE FLTRXSE 2018-2025
Road Glide CVO ST FLTRXSTSE 2024-2026
Road Glide FLTR/I 1999-2009
Road Glide FLTRX 2015-2016
Road Glide FLTRX 2017-2026
Road Glide Limited CVO FLTRKSE 2022-2023
Road Glide Limited FLTRK 2020-2024
Road Glide Limited FLTRXL 2026
Road Glide Special FLTRXS 2015-2016
Road Glide Special FLTRXS 2017-2023
Road Glide ST FLTRXST 2022-2023
Road Glide Ultra FLTRU 2011-2016
Road Glide Ultra FLTRU 2017-2019
Road King Classic FLHRC/I 1999-2013
Road King Custom FLHRS/I 2004-2007
Road King FLHR/I 1999-2016
Road King FLHR/I 2017-2022
Road King Special FLHRXS 2017-2025
Street Glide 3 Limited CVO FLHLTSE 2026
Street Glide 3 Limited FLHLT 2026
Street Glide CVO/SE FLHXSE 2017-2026
Street Glide CVO ST FLHXSTSE 2026
Street Glide FLHX/I 2006-2016
Street Glide FLHX/I 2017-2026
Street Glide Limited CVO FLHXLSE 2026
Street Glide Limited FLHXL 2026
Street Glide Special FLHXS 2014-2016
Street Glide Special FLHXS 2017-2023
Street Glide ST FLHXST 2022-2023
Street Glide Trike FLHXXX 2010-2011
Street Glide Ultra FLHXU 2025
Tri Glide Ultra Classic FLHTCUTG 2009-2016






