Muffler Silencers Collection – Reduce Drone

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Muffler Silencers

Muffler silencers, also known as exhaust silencers or resonators, are installed in the exhaust system to reduce noise and eliminate drone without significantly restricting flow. Whether you're looking to quiet a modified exhaust or replace a factory resonator, finding the right silencer depends on pipe diameter, length, and internal design.

Our collection includes:

Glasspack silencers – classic perforated core with fiberglass packing for a deep tone
Chambered silencers – tuned chambers that cancel specific sound frequencies
Resonator tubes – inline expansions that smooth out exhaust pulses

Key selection factors:

Inlet/outlet diameter – must match your exhaust piping (common sizes: 2.25", 2.5", 3")
Overall length – shorter bodies fit tight spaces; longer bodies reduce more noise
Material – aluminized steel for durability, stainless for corrosion resistance

Browse our muffler silencers to find the right balance of sound and performance for your build.

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HKS 120Hiper series inner silencer assembly for 120mm exhaust tips.

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HKS 120Hiper Series Inner Silencer Assembly - 3306-RA071

$60.00

Unit price

The HKS 120Hiper Inner Silencer Assembly is a precision-engineered solution for managing the sound profile of your HKS exhaust system. Specifically designed for the 120mm Hiper series tips, this assembly allows you to reduce external decibel levels and minimize interior cabin drone, making high-performance exhaust systems more suitable for daily driving and street use.

Designed specifically for HKS 120mm Hiper series exhaust tips
Reduces exhaust volume and resonance without permanent modifications
Durable metal construction resists high exhaust temperatures
Straightforward bolt-in installation into the muffler tip
Genuine HKS component ensures precise fitment and performance
Manufacturer Part Number: 3306-RA071

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HKS Stainless Steel Exhaust Silencer Insert for 96mm Muffler Tips - 3306-RA072

$65.00

Unit price

Manage your vehicle's sound profile and reduce exhaust drone with the HKS Exhaust Tip Silencer (MPN 3306-RA072). This precision-engineered insert is designed specifically for HKS and other aftermarket exhaust systems utilizing a 96mm outer diameter tip.

Constructed from high-grade stainless steel to withstand extreme exhaust gas temperatures and resist corrosion, this silencer provides a significant reduction in decibel levels for a more comfortable cabin experience during daily driving. It installs directly into the muffler tip, offering a secure fitment that minimizes vibration and rattle even under high load.

Manufacturer Part Number: 3306-RA072
Compatible Tip Diameter: 96mm
Material: High-temperature resistant stainless steel
Installation: Secure bolt-in design (requires mounting hole in exhaust tip)
Function: Reduces exhaust volume and resonance without excessive backpressure

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HKS black coated inner exhaust silencer insert designed for 115mm diameter exhaust tips.

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HKS Black Inner Silencer for 115mm Exhaust Tips (3306-RA076)

$80.00

Unit price

The HKS Black Inner Silencer is a precision-engineered solution for reducing exhaust decibel levels without sacrificing the aesthetics of your performance system. Designed specifically for exhausts featuring a 115mm tip diameter, this silencer provides a significant reduction in sound output, making it ideal for meeting track noise requirements or ensuring a quieter cabin during daily driving and highway cruising.

Constructed for durability and a stealthy appearance, the silencer features a high-temperature black finish that blends seamlessly into the exhaust tip. Installation is straightforward, utilizing a bolt-in design that secures to the existing mounting hole in the muffler tip for a rattle-free fit.

Manufacturer Part Number: 3306-RA076
Compatibility: Designed for HKS and other exhaust systems with a 115mm tip
Finish: Heat-resistant black coating
Function: Reduces exhaust volume (dB) for street or track use
Installation: Secure bolt-in design

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HKS high-temperature black coated exhaust silencer insert for 120mm mufflers

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HKS Black Silencer for 120mm Tip Exhausts - 3306-RA074

$70.00

Unit price

The HKS Black Silencer (3306-RA074) is a precision-engineered insert designed to reduce exhaust noise levels on HKS systems featuring a 120mm outlet. This silencer is an essential accessory for drivers looking to mitigate excessive drone or meet local noise ordinances without sacrificing the aesthetics of their high-performance exhaust system.

Constructed with a durable, high-temperature black finish, this component provides a stealthy look while maintaining resistance to heat and soot. It is designed to slide directly into the exhaust tip, providing a significant reduction in decibels for a more refined street driving experience. As a genuine HKS part, it ensures exact tolerances and a secure fit for compatible 120mm canisters.

Reduces exhaust volume and cabin drone for street use
Designed specifically for HKS 120mm exhaust tips
High-temperature black finish for a discreet look and heat resistance
Genuine HKS component for guaranteed fitment and performance
Manufacturer Part Number: 3306-RA074

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HKS 94mm stainless steel exhaust inner silencer with pre-drilled mounting hole

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HKS Inner Silencer for 94mm Exhaust Tips - 3306-RA073

$65.00

Unit price

The HKS Inner Silencer (3306-RA073) is a precision-engineered solution for reducing the sound output of high-performance exhaust systems. Designed specifically for exhaust tips with a 94mm diameter, this silencer allows enthusiasts to lower decibel levels for daily driving or to comply with strict track noise regulations without replacing the entire exhaust system.

Fits exhaust systems with a 94mm tip diameter
Provides significant reduction in exhaust volume and cabin drone
Constructed from high-grade materials to withstand extreme exhaust temperatures
Simple bolt-in installation via the tailpipe exit
Manufacturer Part Number: 3306-RA073

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