Looking for in-stock aftermarket parts to modify or upgrade your GMC Sierra 3500 Classic with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Sierra 3500 Classic.
Whether you have a 2007 or 2007 GMC Sierra 3500 Classic in SL to WT trim we have you covered. We have 12 catback available to mod your Sierra 3500 Classic. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 49-14002The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonet style hangers make sure this system installs cleanly and easily. Yo... aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ 2007-2007 GMC Sierra 3500 Classic SL / SLE / SLT / WT $559.63 |