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[Z06] stock exhaust question

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Old Apr 16, 2009 | 08:21 PM
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Default stock exhaust question

what size are exhaust pipes on stock zo6, is it 2.5 or 3.o inches. Also if 2.5, what kind of horsepower gain would you get with 3.0, more torque etc.? thanks.
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Old Apr 16, 2009 | 09:11 PM
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2.5"

Way back in 2002 I swapped my stock mufflers for a 3" Borla XR over the axle setup and actually lost torque.

But man did it sound pretty mean
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Old Apr 16, 2009 | 09:25 PM
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I dont know why anyone would change their factory titanium exhausts
Mine is stock except for a blackwing..
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Old Apr 17, 2009 | 12:56 AM
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I agree, wouldn't swap mine out, headers and Xpipe only, was just wondering what the size was and why some go bigger if no benefits
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