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  1. For Sale i5 3.5/3.7 mild steel exhaust flange from JTR

    For Sale
    The title says it. It's a nearly 1/2" thick mild steel flange for the Vortec 3.5/3.7 to make a turbo manifold or whatever you might need an exhaust flange for. I bought it through JTR a few weeks ago. $50 shipped.
  2. How To: Install JTR Header on 2.9L Colorado

    How-To: Performance & Maintenance
    Disclaimer The community here at 355nation.net urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic...
  3. JTR I4 Header

    Engines/Performance/Tech Questions
    i just got my JTR (Sanderson) Header in the mail today. here are a few pics for you guys. the test install will happen tomorrow afternoon. more pics to come! keep in mind that i have a 2.9, not a 2.8 motor.
  4. My new performance I5 exhaust header

    I4/I5 Engine & Drivetrain
    I called a local shop shortly after i had my truck at the dealership for the head replacement. the dealership notified my my exhaust manifold was bent and cracked and it would be $800 to get a new one and install it. not going to happen when i can get a performance header for just over $400 on...
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