Stainless Steel Torpedo Muffler
Stainless Steel Torpedo Muffler
51MM | 41/44.5MM | 38MM
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38mm - 1.5”
300mm long
83.5mm at largest diameter
41/44.5mm - 1 ⅝ / 1 ¾”
305mm long
83.7mm at largest diameter
Reducer provided to fit multiple sizes
Spacer can be provided for 41mm muffler giving you more flexibility on sizing up to 44.5mm
51mm - 2”
300mm long
86.6mm at largest diameter
Material: Stainless steel
Finish: Brush with raw welds
Sound: Noise reduction dual layer packing stainless steel and fibre wool with optionall DB Killer cone (sold seperatley)
Supplied in your package
1 x Muffler
1 x Mounting bracket
1 x Logo Badge with serial number for noise testing
An optional DB killer can be purchased for quieting and tuning if needed, a mounting point and “silencing system” logo badge is included to keep things legal.
For more information on Purpose Built Moto's warranties and returns policy click here










Give the dog some bark!
Our mufflers are developed to provide that almighty exhaust rumble that we all love hearing when firing up for a ride. Torpedo mufflers provide this, without being over bearing in noise levels. If you want it a little quieter, just fix our DB killer in place and ride on.

All Stainless Steel construction
Provided out of the box in a stunning brush finish with raw heat marked welds, the option is yours to customise to your liking. Ceramic coat or give them a quick polish, whatever your bike desires.

MINIMALIST DESIGN
This minimalist design is well suited to any Cafe Racer, Tracker, Scrambler or Street fighter. With an all Stainless steel construction and brushed finish complimented with raw welds, this slip on muffler will help your custom bike stand out from the crowd.
Customer Reviews
On orders over $200 AUD*
On full priced items only*
Our products are designed in Aus
View our installation guides.