Product Description

The Berklee BS0436 Muffler / Resonator is designed for exhaust systems requiring sound refinement without restricting airflow. Its straight-through perforated core design allows exhaust gases to pass efficiently while reducing harshness and unwanted frequencies.

This makes it ideal as a resonator or secondary muffler in performance exhaust systems.

Product Specifications

• SKU: BS0436
• Inlet / Outlet: 76mm (3.00")
• Configuration: Centre / Centre
• Body Size: 102mm (4") round
• Body Length: 300mm (12")
• Design: Free-flow perforated core
• Material: Aluminised Mild Steel
• Fitment: Universal (weld-in)
• Manufacture: Australian Made

How Mufflers & Resonators Work

Resonators and mufflers help control exhaust sound, tone, and drone by managing pressure waves within the exhaust system.

The Berklee BS0436 uses a perforated inner tube, which is less restrictive than spiral louvered designs. This allows exhaust gases to flow freely while reducing unwanted high-frequency noise.

• Resonators: Reduce drone and refine exhaust tone
• Free-Flow Mufflers: Improve performance while adding sound
• Chambered Mufflers: Reduce overall noise levels

By adding a resonator like the BS0436, you can achieve a smoother, more refined exhaust note without sacrificing performance.

Key Features

• Perforated Core Design: Less restrictive than louvered designs
• Free Flow Performance: Maintains exhaust efficiency
• Centre / Centre Configuration: Straight-through installation
• Compact Round Body: Ideal for tight spaces
• Australian Made: Proven Berklee manufacturing quality

Construction

• Material: Aluminised mild steel for durability
• Design: Straight-through perforated core
• Finish: Aluminised coating

Fitment Notes

• Universal resonator / muffler – suitable for most exhaust systems
• Commonly installed mid-system to reduce drone
• Welding required for installation
• Ensure correct pipe alignment and clearance
• Professional installation recommended

Recommended With

• Exhaust Clamps – assist with positioning
• Exhaust Pipe – ideal for fabrication
• Mandrel Bends – maintain smooth airflow
• Exhaust Hangers & Rubber Mounts – reduce vibration
• Exhaust Gaskets – ensure leak-free joins
• Exhaust Sealant – improve sealing

Engine Airflow & Exhaust Design

Learn more: Engine Airflow & Exhaust Gas Expansion Guide

Emissions & Compliance Notice

This product is intended for off-road or performance use. Always verify emissions and registration compliance in your state or territory before installation.

What’s Included

• 1 x Berklee BS0436 Muffler / Resonator

Frequently Asked Questions

Is this muffler loud?
No — this unit is designed to refine sound and reduce harshness rather than increase volume.

What does a resonator do?
It reduces drone and improves exhaust tone by smoothing sound waves.

Will this reduce drone?
Yes, it is commonly used to reduce drone in performance exhaust systems.

Will it fit my vehicle?
This is a universal unit. Fitment depends on pipe size (57mm / 2.25") and available space.

Is welding required?
Yes, this unit is designed for weld-in installation.