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Exhaust gains

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Old 02-25-2004, 05:44 PM
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Exhaust gains

What would be better for HP gains and performance:

1. Factory 2 1/2 " pipe and y-pipe and straight pipe to the rear w/no muffler.

2. 3" Magnaflow catback

Thanks!
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Old 02-25-2004, 05:53 PM
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3'' catback
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Old 02-25-2004, 06:21 PM
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Factory is 2.75"
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Old 02-25-2004, 08:12 PM
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Loudmouth

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