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Old 12-22-2003, 12:54 PM   #1
zyggy72
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What size exhaust?

What size exhaust should I use behind a 450-500hp 454 with custom fabricated headers?
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Old 12-22-2003, 12:56 PM   #2
Injected68LS1
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with dual exhaust 2.5 might be a little small for 500 hp. I would suggest the 3" dual exhaust.
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Old 12-22-2003, 12:59 PM   #3
Moloko
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Yup, 3 or larger.
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Old 12-22-2003, 03:20 PM   #4
zyggy72
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TTT
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