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AzBob · 05-23-2023, 11:26 PM

The instructions that came with my Aries High Performance Muffler states "Not to be used on stock or modified engines under 60 hp." I have 6:1 head, Weber carb, cast iron header, IB330 cam that gets my engine in that range.

Personally, I think the Aries HP Muffler is too quiet. I liked the sound of my old rusty muffler better.

05-23-2023, 11:26 PM	#18
AzBob Senior Member Join Date: Oct 2018 Location: Prescott, AZ Posts: 200	Re: Reports on Burtz new engines The instructions that came with my Aries High Performance Muffler states "Not to be used on stock or modified engines under 60 hp." I have 6:1 head, Weber carb, cast iron header, IB330 cam that gets my engine in that range. Personally, I think the Aries HP Muffler is too quiet. I liked the sound of my old rusty muffler better.