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1-7/8" Lt Silverado Headers from Pacesetter

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by jagsweb, Sep 17, 2013.

  1. jagsweb

    jagsweb New Member

  2. buckmeister2

    buckmeister2 Member 1 Year 100 Posts

    Haven't seen them or heard them, but am totally skeptical about those bogus HP gain results. They are measuring the benefit of upsizing the headers on a 408 c.i. (6.6L) engine, not a 327 c.i. (5.3L) engine. Why didn't they just compare stock 5.3 manifolds to the 1 3/4" headers and the 1 7/8" headers???? When I see stuff like that, I just turn the page, and fugettaboutit, until I see better info.
    Last edited: Sep 17, 2013

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