Looking for aftermarket parts to modify or upgrade your 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 1998 or 2011 Mercury Grand Marquis in GS to Ultimate Edition trim we have you covered. We have 7 catback available to mod your Grand Marquis. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 16788Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for ... MagnaFlow Sys C/B 06 Ford Crown Victoria 4.6L 2006-2008 Mercury Grand Marquis GS 2006-2010 Mercury Grand Marquis LS $1,163.00 |
 IN STOCK - LOW 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 2003-2003 Mercury Grand Marquis LSE 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS 2005-2005 Mercury Grand Marquis GSL / Limited Edition / Ultimate Edition $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 2003-2003 Mercury Grand Marquis LSE 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS 2005-2005 Mercury Grand Marquis GSL / Limited Edition / Ultimate Edition $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 2003-2003 Mercury Grand Marquis LSE 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS 2005-2005 Mercury Grand Marquis GSL / Limited Edition / Ultimate Edition $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 2003-2003 Mercury Grand Marquis LSE 2003-2008 Mercury Grand Marquis GS 2003-2011 Mercury Grand Marquis LS 2005-2005 Mercury Grand Marquis GSL / Limited Edition / Ultimate Edition $1,008.90 |
 SHIPS FROM MANUFACTURER CRVIC98CBStainless Works, 1998-02 Crown Victoria, Grand Marquis, 4.6L. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. This 2-1/2" exhaust has factory flanges welded on to connect right to the manifolds or a performance connection if used with ... Stainless Works Ford Crown Vic/Grand Marquis 1998-02 Exhaust 2-1/2in Chambered 1998-2002 Mercury Grand Marquis GS / LS $1,682.45 |
 SHIPS FROM MANUFACTURER CRVIC98CBLMFStainless Works, 1998-02 Crown Victoria, Grand Marquis, 4.6L. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. This 2-1/2" exhaust has factory flanges welded on to connect right to the manifolds or a performance connection if used with ... Stainless Works Ford Crown Vic/Grand Marquis 1998-02 Exhaust 2-1/2in S-Tube 1998-2002 Mercury Grand Marquis GS / LS $1,682.45 |