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HDL18175 Universal sports hotdog muffler / resonator, spiral louvered core for performance and tone control.
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Universal Hotdog Resonator HD18175 – 45mm ID x 90mm Round x 450mm Long Free-Flow Muffler

$54.50
Tax excluded

Universal Hotdog Resonator HDL18175 – 44mm Inlet / Outlet

HDL18175 is a universal sports hotdog muffler / resonator featuring a free-flow spiral louvered core for performance and tone control. Compact 3.5" round x 18" long body (89mm × 450mm) with 44mm (1 ¾") centre/centre reversible inlets/outlets, suitable for custom exhaust upgrades and sound tuning.

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Hotdog Muffler / Resonator HDL18175 – 45mm Inlet / Outlet

HDL18175 is a high-performance hotdog muffler / resonator with a 3.50" round x 18.00" long (89mm × 450mm) mild-steel body and free-flow spiral louvered design. Built for enthusiasts seeking a deeper exhaust tone without compromising gas flow, this compact unit suits custom or factory exhaust upgrades.

Key Specifications

  • Profile: 3.50" round × 18.00" long (89mm × 450mm)
  • Inlet/Outlet: 45mm (1.75") centre/centre – reversible
  • Design: Free-flow spiral louvered core
  • Finish: Aluminised mild steel construction

Sound & Flow Characteristics

  • Louvers facing engine = quieter tone, increased back pressure
  • Louvers facing rear = freer flow, deeper exhaust note

Installation Tips

Lubricate rubbers and fasteners with WD-40 or similar for easy fitting. Ensure correct alignment before final welding or clamping to maintain clearance and fitment integrity.

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🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983

HDL18175/HD18175