2003-11 Crown Victoria/ Grand Marquis 4.6L 2V 2.5" Catback Exhaust with dual turbo S-tube mufflers, dual 3.5" diameter polished factory style tips. Fits flanged factory connection points and works with manifolds or Stainless Works Headers with leads. Sounds great with factory manifolds and cats, but aggressive sound for headers.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.
