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Looking for aftermarket parts to modify or upgrade your 2006 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 49-14002The 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 49-44002The 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 |
 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 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 |
 OUT OF STOCK K4124SDiamond 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 SS: 2006-2007.5 CHEVY/GMC 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $817.09 |
 OUT OF STOCK K4124S-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 DUAL SS: 2006-2007.5 CHEVY/GMC 6.6L 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $739.40 |
 OUT OF STOCK K4127SDiamond 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 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $776.91 |
 OUT OF STOCK K4127S-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 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $703.41 |
 OUT OF STOCK K5123SDiamond 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 SS 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $845.34 |
 OUT OF STOCK K5123S-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 SS 06-07 Chevy/GMC 6.6L Duramax 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $754.60 |
 OUT OF STOCK K5126SDiamond 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 409 SS: 2006-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $688.11 |
 SHIPS FROM MANUFACTURER 5009For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains.... Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Aluminized 2001-2006 GMC Sierra 3500 SLE / SLT 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $646.29 |
 SHIPS FROM MANUFACTURER 65009For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains.... Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Stainless 2001-2006 GMC Sierra 3500 SLE / SLT 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $772.54 |
 SHIPS FROM MANUFACTURER 5558For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the ba... Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Split Exhaust - Aluminized 2001-2006 GMC Sierra 3500 SLE / SLT 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $646.29 |