Trask Assault 2-Into-1 Exhaust For Harley Dyna 1991-2017

Trask Assault: Performance Engineering for the Modern Dyna Enthusiast

The Trask Assault 2-into-1 Exhaust System for 1991-2017 Dyna models represents the 2026 pinnacle of “Performance First” engineering. In a market saturated with generic pipes, the Assault stands out as a functional piece of industrial art. For the rider of a Street Bob, Low Rider, or Super Glide, the 2-into-1 transition is the most effective way to eliminate power dips in the mid-range. Trask utilizes high-velocity collectors that create a powerful scavenging effect, drawing exhaust gases out of the combustion chamber more efficiently than any standard dual setup. This results in the immediate throttle response and high-RPM pull necessary for dominating the 2026 highway. For the rider who demands **secure, industrial-strength utility** and a raw, mechanical soul, the Trask Assault is the premier exhaust solution.

Hand-Welded Integrity and Race-Inspired Fabrication

What sets the Trask Assault apart in the 2026 marketplace is its uncompromising commitment to craftsmanship. Each system is hand-fabricated from high-quality stainless steel or mild steel (depending on finish) and features visible TIG-welded sections. This “pie-cut” construction is not just an aesthetic choice; it allows for precise internal flow paths that minimize turbulence. The short megaphone muffler provides a significant reduction in weight compared to factory systems, improving the overall flick-ability of the Dyna chassis. To ensure long-term durability, the system features robust mounting brackets designed to handle the high vibrations of the rubber-mounted Twin Cam engine. Available in show-quality chrome, tactical matte black, or a raw “works” finish, every Trask system is a testament to the high-performance 2026 riding culture.

Expert Installation & Performance Advice

As specialists in high-performance Dyna builds, we recommend the Trask Assault for its aggressive power delivery. Pro Tip: This system produces a high-velocity exhaust note; if you are looking for a deep “thump,” this may be too aggressive for your taste, but for 2026 street performance, it is unmatched. Installation Note: When mounting the system, ensure you use the new exhaust gaskets provided, as the high-flow flange requires a perfect seal to prevent decel-popping. Maintenance Note: For raw stainless finishes, the pipes will naturally “color” or gold over time due to heat; this is a badge of honor in the 2026 performance world. Safety Note: Because this exhaust significantly increases flow, an ECU recalibration using a Fuelpak FP4 or Dynojet Power Vision is mandatory to ensure your engine runs cool and powerful.

The Professional Standard for Club-Style Performance

Choosing the Trask Assault 2-into-1 Exhaust means investing in unmatched mechanical integrity and a fierce performance presence. It offers a unique combination of modern racing science and a raw, aggressive growl that honors the performance legacy of the Harley-Davidson brand. For the rider who wants a high-output 2026 presence and a flawless engineering finish, the Trask Assault is the unmatched leader. Bolt it on, feel the power, and ride the distance.

Features:

• Fitments work with Mid or Forward Controls
• Suited for stock outputs up to 120 horsepower outputs
• 18mm O2 bungs
• Proudly researched, developed, and manufactured in the USA

Style	J&P Cycles Item #	Catalog Number	Store Sku	MFR. Product #	Availability
Black	65341	65341		TM-5021BK|TM-5020BK	Only 7 Left: Ships within 24 hours
Brushed Stainless	77893	RZ-1277893		TM-5021|TM-5020	In Stock: Ships within 24 hours