Quality stainless steel mufflers

For classic Porsches

Established in 1979

Sold world wide for over 35 years

Built to last

Made from 304 stainless steel

Lightweight

Components formed using deep drawn manufacturing proccess delivers high strength from a lighter guage material

Improve performance

Designed for improved power and gas flow

Full bodied sound

Rich and melodious

M21 muffler

Available Models

Compatability
Model Years Inlet Outlet Model
M01 1975 - 1989 Single Single 75mm 930 turbo
M11 1965 - 1973 Dual Single 75mm 911
M21 1974 - 1976 Dual Single 75mm 911
M22 1974 - 1976 Dual Dual 75mm 911
M31 1977 - 1983 Single Single 75mm SC
M41 1984 - 1989 Single Single 75mm 3.2 Carrera
M42 1984 - 1989 Single Dual 75mm 3.2 Carrera
MCATP 1976 - 1989
M52 1965 - 1976 Dual Dual 63mm parallel 911
MRSW 1963 - 1989 Dual Dual 63mm parallel * Cars fitted with early or SSI heat exchangers
MRSN 1963 - 1989 Dual Dual 63mm parallel * Cars fitted with early or SSI heat exchangers

Contact Monty

Buy directly from the manufacturer in Australia

Phone:

International: +61 3 427 814 824
Australia: 0427 814 824