Looking for aftermarket parts to modify or upgrade your 2004 Mercury Grand Marquis with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Grand Marquis.
Whether you have a 2004 Mercury Grand Marquis in GS to LS trim we have you covered. We have 4 catback available to mod your Grand Marquis. All parts have free shipping to the Continental US 48 States.
 IN STOCK CRVIC03CB2003-11 Crown Victoria/ Grand Marquis 4.6L 2V 2.5" Catback Exhaust with dual chambered turbo mufflers, dual 3.5" diameter polished factory style tips. Fits flanged factory connection points and works with manifolds or Stainless Works Headers with leads. Great sound for use with headers.... Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L 2-1/2in Exhaust Chambered Mufflers 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS $1,529.50 |
 SHIPS FROM MANUFACTURER CRVIC03CBLMF2003-11 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... Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L 2-1/2in Exhaust S-Tube Mufflers 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS $1,529.50 |
 IN STOCK - LOW CRVIC03CBNT2003-11 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... Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L 2-1/2in Exhaust Chambered Mufflers No Tips 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS $1,008.90 CLEARANCE VIEW PRICE IN CART |
 SHIPS FROM MANUFACTURER CRVIC03CBNTL2003-11 Crown Victoria/ Grand Marquis 4.6L 2V 2.5" Catback Exhaust with dual turbo S-tube 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 ti... Stainless Works 2003-11 Crown Victoria/Grand Marquis 4.6L 2-1/2in Exhaust S-Tube Mufflers No Tips 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS $1,008.90 |