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axle back

  1. Header Discussion
    I have an axle back on my 2009 si and my headers just came in, should i just do the full exhaust or am i fine with headers and axle back
  2. Kplayground
    Megan Racing M-Spec II universal muffler is made of carbon fiber and titanium tip. Featuring a 4" Burnt Tip and 2.4" Inlet, the muffler gives a deep tone that proves aggressive at Wide-Open Throttle. Spec: - 20" long, 6" width, 4" FLAT tip, 5" long on tip and 2.4" inlet - Removable BLACK...