APR Premium Helmholtz Resonator
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APR Premium Helmholtz Resonator - Universal - 76mm Offset 311x240x110mm
APR builds this resonator to tackle unwanted exhaust drone without choking flow, using Helmholtz chamber principles instead of restrictive baffling. It's a smart option for anyone building a custom exhaust system who wants a quieter cabin at cruising speed without sacrificing top end performance.
This listing covers the universal 76mm (3 inch) offset inlet/outlet resonator, sized at 311 x 240 x 110mm. Being a universal fit unit, it suits any custom or aftermarket exhaust build using 76mm piping, provided your fabricator allows for the offset inlet and outlet configuration.
Key Features
- Open internal design with a small offshoot chamber that bounces soundwaves back into the exhaust flow path
- Cancels out unwanted resonant frequencies without traditional baffles
- Straight through 76mm (3 inch) main exhaust path for uninterrupted flow
- Offset inlet and outlet configuration
- No harsh twists, turns, or flow restrictions inside the main pipe
Specifications
- Pipe diameter: 76mm (3 inch)
- Overall dimensions: 311 x 240 x 110mm
- Inlet/outlet configuration: Offset
- Fitment: Universal
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. As this is a universal component, please confirm your exhaust piping diameter and available mounting space before ordering.
Not sure if this resonator suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
Universal fitment — verify dimensions before ordering.
Technical Specifications
| Spec | Value |
|---|---|
| Overall Dimensions | 311 x 240 x 110 mm |
| Main Pipe Diameter | 76 mm (3 in) |
| Inlet/Outlet Configuration | Offset |
| Internal Design | Straight through main path with offshoot chamber |
No instructions available for this product.

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