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Stainless Steel Torpedo Muffler

Stainless Steel Torpedo Muffler

Regular price $265.00
Regular price $265.00 Sale price $265.00
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The Purpose Built Moto Torpedo muffler, used and loved by riders all over. Styled to be universally applied to any style motorcycle. Designed in collaboration with experienced exhaust engineers, the torpedo muffler is the first choice when seeking that classic styled muffler with a bit more bark.
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51MM | 41/44.5MM | 38MM

Choose from 3 sizes

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

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.
All products are backed by our 12 month manufacturers warranty and are sold with a 30 day return policy

For more information on Purpose Built Moto's warranties and returns policy click here
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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.


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.

International & Domestic
On full priced items only*
Our products are designed in Aus
View our installation guides.