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(New) 911/SSI Monty Muffler MRSN Dual Outlet - 1965-89

Product Description:

New dual outlet Monty mufflers for 911 models.

Dual inlet, dual paralell 63mm outlet, # MRSN.

  • These quality stainless steel mufflers for classic Porsches have been sold world-wide for over 40 years now.
  • Built to last, produced from 304 stainless steel.
  • Designed for improved power and gas flow.
  • Rich and melodious - full bodied sound.

These mufflers are shipped directly from the manufacturer in AUS with shipping to be decided. Upon purchase please allow one business day to receive a shipping quotation. 


911, 1965-89

*for Porsches fitted with early or SSI exchangers*

Product Number:

*this part # is for the stock muffler and is for reference purposes only*

911 111 025 05