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2003 GMC Sierra 2500 Catback

Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 2500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

Catback Parts:

Only show in-stock parts

CORSA Performance Cat-Back Sport

OUT OF STOCK 24292 mandrel bent... Corsa 2003-2006 Chevrolet Silverado Ext. Cab/Short Bed 2500 6.0L V8 Polished Sport Cat-Back Exhaust 2003-2004 GMC Sierra 2500 Base / SLE / SLT $920.26 Details

JBA Cat-Back Exhausts

OUT OF STOCK 40-3030 When it comes to performance exhaust systems, most people are looking for three things: Power. Sound. Quality. JBA Exhaust Systems deliver the best of all three. While there is high demand for performance and sound, the capacity for power in a JBA Exhaust System gives us the edge. Each system is tun... JBA 01-06 Chevrolet Silverado 2500/3500 HD 6.0/8.1L 409SS Pass Side Dual Exit Cat-Back Exhaust 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $859.26 Details