Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L 2-1/2in Exhaust Chambered Mufflers No Tips2003 11 Crown Victoria Grand Marquis 4. 6L 2V 2. 5" Catback Exhaust with dual chambered turbo mufflers, minus the tailpipes and tips. Fits factory connection point and works with manifolds or Stainless Works Headers with leads. Made specifically for 05 11 cars where customer can provide own tails and tips. Great sound for use with headers. This Part Fits: Year Make Model Submodel 2003 2008,2010 2011 Ford Crown Victoria Base 2003 Ford Crown Victoria