header or exhaust

  1. I

    Performance bolt on headers group buy

    hey guys i bought a 2012 5.0 R-spec sedan 3 weeks ago and after driving it silently for weeks, went to my header shop to see what they could do about the silence. this is a high end all american company, which is used by multiple OEM performance companies for their race exhausts. i wont say...
  2. K

    r-spec 5.0 aftermarket header/exhaust that can incorporate bumper inserts

    *deleted* delete
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