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Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.
 OUT OF STOCK 49-14001The 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 01-05 V8-6.6L (td) LB7/LLY 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $660.00 |
 OUT OF STOCK 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 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $660.00 |
 OUT OF STOCK 49-44001The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $808.00 |
 OUT OF STOCK 49-44002The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $808.00 |
 IN STOCK K4110ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL AL CHEVY/GMC 6.6L 2500/3500 01-05 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $455.52 |
 IN STOCK K4110A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB MFLR RPLCMENT PIPE SGL AL: 01-05 CHEVY/GMC 6.6L 2500/3500 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $389.40 |
 OUT OF STOCK K4120ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CBSGL w/ TDP AL 04-05 Chevy/GMC 6.6L Duramax 2500/3500 2004-2005 GMC Sierra 3500 Base / SLE / SLT / WT $642.44 |
 OUT OF STOCK K4120A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB MRP SGL w/ TDP AL 04-05 Chevy/GMC 6.6L Duramax 2500/3500 2004-2005 GMC Sierra 3500 Base / SLE / SLT / WT $576.57 |
 OUT OF STOCK K4122ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL AL CHEVY/GMC 6.6L 2500/3500 2006-2007.5 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $455.52 |
 OUT OF STOCK K4122A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL MFLR RPLCMENT PIPE AL CHEVY/GMC 6.6L 2500/3500 2006-2007.5 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $389.40 |
 OUT OF STOCK K4124ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB DUAL AL CHEVY/GMC 6.6L 2500/3500 2006-2007.5 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $615.63 |
 OUT OF STOCK K4124A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB MFLR REPLACMENT PIPE DUAL AL: 2006-2007.5 CHEVY/GMC 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $539.98 |
 OUT OF STOCK K4127ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CBSGL w/ TDP AL 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $642.44 |
 OUT OF STOCK K4127A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB MRP SGL w/ TDP AL 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $576.57 |
 OUT OF STOCK K5123ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CBSGL w/ TDP AL 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $700.99 |
 OUT OF STOCK K5123A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CB MRP SGL w/ TDP AL 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $651.24 |
 OUT OF STOCK K5126ADiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CB SGL AL: 2006-2007.5 CHEVY 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $539.85 |
 IN STOCK K5126A-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CB MFLR RPLCMENT PIPE SGL AL: 2006-2007.5 CHEVY 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $471.53 |
 OUT OF STOCK K5126S-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 5in CB MFLR RPLCMENT PIPE SGL AL: 2006-2007.5 CHEVY 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $565.50 |
 OUT OF STOCK K4110SDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL SS CHEVY/GMC 6.6L 2500/3500 01-05 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $588.70 |
 OUT OF STOCK K4110S-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL MFLR RPLCMENT PIPE SS 01-05 CHEVY/GMC 6.6L 2500/3500 2001-2002 GMC Sierra 3500 SL 2001-2005 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2005 GMC Sierra 3500 WT $509.18 |
 OUT OF STOCK K4120SDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CBSGL w/ TDP SS 04-05 Chevy/GMC 6.6L Duramax 2500/3500 2004-2005 GMC Sierra 3500 Base / SLE / SLT / WT $776.91 |
 OUT OF STOCK K4120S-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB MRP SGL w/ TDP SS 04-05 Chevy/GMC 6.6L Duramax 2500/3500 2004-2005 GMC Sierra 3500 Base / SLE / SLT / WT $703.41 |
 OUT OF STOCK K4122SDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL SS CHEVY/GMC 6.6L 2500/3500 2006-2007.5 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $588.70 |
 OUT OF STOCK K4122S-RPDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace... Diamond Eye KIT 4in CB SGL MFLR RPLCMENT PIPE SS CHEVY/GMC 6.6L 2500/3500 2006-2007.5 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $509.18 |