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Old 06-13-2013, 04:52 PM   #5
RecoveringSaabaholic
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Member#: 250265
Join Date: Jun 2010
Chapter/Region: NESIC
Location: Portland, ME
Vehicle:
2006 Impreza 2.5i
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I was under the impression that UEL headers would not add any low end torque, but rather would shift the torque band higher, and add a bit of top end power. Also, doesn't the '01 legacy have UEL from the factory, so getting the rumble should just require a muffler. Larger diameter primaries are all that you will get with new UEL headers, which will increase the noise your exhaust makes and increase top end hp.
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