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Headers and Exhaust

Discussion in 'Performance and Tuning' started by NathanArena1988, Aug 20, 2010.

  1. Aug 20, 2010 at 7:35 PM
    #1
    NathanArena1988

    NathanArena1988 [OP] Member

    Joined:
    Dec 2, 2009
    Member:
    #26909
    Messages:
    19
    Gender:
    Male
    First Name:
    Nathan
    SC
    Vehicle:
    2009 4.0 Trd
    Stock
    Hello, I currently have a 2009 double cab 4.0 2wd Trd package. I recently ordered the volant cold air intake and the ram air scoop for better air flow and a few more hp. I wanted to know if adding headers would improve hp+torque? Also If I were to add headers, would if be a smart idea to get an after market exhaust system for better air flow at the rear?
     
  2. Aug 21, 2010 at 2:16 AM
    #2
    XrunnIT

    XrunnIT Well-Known Member

    Joined:
    Jul 6, 2008
    Member:
    #7770
    Messages:
    858
    Gender:
    Male
    Austin, TX
    Vehicle:
    1GR-GZE X-Runner
    Built Motor by LC Engineering Boosted by TRD
    I would recommend picking up the URD Maf cal before getting headers. The volant intake does some screwy things to the MAF accuracy in our trucks. Some trucks are ok, most have A/F readings that hurt performance more then they help.

    Tune for that intake, then add headers and a catback, retune, and you will def like the power gains.
     
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