Thread: Help me decide on new exhaust for 73 Formula 400
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Old 06-21-2025, 04:34 PM
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srmmmm srmmmm is offline
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This is a Pypes 2-1/2" X-pipe transverse system.

350/413 stroker with Comp XE276HR cam and 6X-4 heads

https://www.youtube.com/watch?v=WEAOsbrju2U

No drone at all running down the highway with 3.23 gears.

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