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Old 05-26-2020, 03:07 PM
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Chris65LeMans Chris65LeMans is offline
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Join Date: May 2013
Location: Los Angeles, CA
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Quote:
Originally Posted by Navy Horn 16 View Post
I
Passing a Prius with 469CID of open headers causes some pretty awesome ...
Even better when said Prius floors it on a 2 lane road when you try to pass. My 3 inch exhaust goes to 2 1/2 to get over the rear end and exists behind each rear tire - pointed directly at whoever I’m passing. (No x pipe)

This topic has been beaten to death. No offense to the muffler shop guy, but I wouldn’t take his word as the ultimate authority on performance.

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1965 Pontiac LeMans. M21, 3.73 in a 12 bolt, Kauffman 461.