Re: Best fuel and exhaust system for power
The Aries muffler is great. But unless you have a Very High performance or OHV Conversion engine their High Performance muffler will lose horses. The A engine actually need back pressure to operate correctly. I know this from experience.
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1921 Runabout
1930 Tudor
Early 1930 AA
Speed costs money. How fast do you want to go? 
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