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2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

obx header/downpipe specs?

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Old Oct 4, 2009 | 08:48 PM
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xander40
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From: Kingwood,TX
obx header/downpipe specs?
what are the sizes of the header and downpipe? i can't find any info.

also what is the stock exhaust size for a 2.4?
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Old Oct 4, 2009 | 08:49 PM
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kissrocker52
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search button is your friend but the exhaust piping of a 2.4 is 2.5 to the muffler then into 2.25
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Old Oct 5, 2009 | 12:11 AM
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_UnLiMiTeD_
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lol what? there is no more piping after the muffler lol. its 2.5 from the cat until the bend at the rear axle then it goes to 2.25
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Old Oct 5, 2009 | 12:45 AM
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my bad thats what i meant
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