Thread: 2.5” down pipes to 3” dual exhaust 81 Firebird
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Old 04-16-2021, 04:29 PM
soupman soupman is offline
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Join Date: Dec 2003
Location: Saratoga, NY
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As long as I don’t lose performance I am ok with this setup. I have read that racers use “stepped” exhaust to tune mid range etc.

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