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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 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 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 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 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 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 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $646.29 |
 SHIPS FROM MANUFACTURER 65558For 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 - Stainless 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $772.54 |
 SHIPS FROM MANUFACTURER 65204If youre looking to add a little style to your Truck or SUV and want to keep the exhaust from affecting your tow trailer, this Dual Cat back Exhaust System is for you, exiting behind the rear tire for a look that sets your vehicle apart on the street or in the dirt. Hassle free, bolt-on installation... Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Sport Exhaust - Stainless 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $772.54 |
 SHIPS FROM MANUFACTURER 315547Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $561.94 |
 SHIPS FROM MANUFACTURER 615547Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 01-05 Chevrolet Silverado 3500 Base 6.0L 4in Cat-Back Single Exhaust - Stainless 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $720.54 |
 OUT OF STOCK 40-3030When 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 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $859.26 |
 OUT OF STOCK 106-0661BRExhaust Direct-Fit Replacement Exhaust Kit 106-0661 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0661’... BRExhaust 01-06 Silverado Sierra 2500 HD 3500 HD Exhaust Kit 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT 2006-2006 GMC Sierra 3500 SL $707.00 |
 IN STOCK - LOW 15398The MagnaFlow Performance Exhaust Diesel Turbo Downpipe 15398 is a 3in. diameter mandrel bent stainless steel pipe designed to connect near your turbocharger and is weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manu... MagnaFlow 01-05 Chevy/GMC Duramax Diesel V8 6.6L 4 inch System Exhaust Pipe 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 $207.72 |
 IN STOCK S6012409RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean.... MBRP 2006-2007 Chev/GMC 2500/3500 Duramax Classic EC/CC Cat Back Single Side 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $611.99 |
 IN STOCK S6000ALTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 2001-2005 Chev/GMC 2500/3500 Duramax EC/CC Cat Back Single Side 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 $514.24 |
 OUT OF STOCK S6001PTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 01-04 Chevy Silverado / GMC Sierra 2500/3500HD 4in OD CatBack Single Side Exit w/ Downpipe - AL 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base 2004-2004 GMC Sierra 3500 WT $613.79 |
 IN STOCK S6003PTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 2005 Chevy Silverado / GMC Sierra 2500/3500HD 4in OD CatBack Single Side Exit w/ Downpipe - AL 2005-2005 GMC Sierra 3500 Base / SLE / SLT / WT $556.04 |
 OUT OF STOCK S6007PTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 06-07 Chevy Silverado / GMC Sierra 2500/3500HD 4in OD CatBack Single Side Exit w/ Downpipe - AL 2006-2006 GMC Sierra 3500 SL / SLE / SLT / WT $567.04 |
 OUT OF STOCK S6000PTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 2001-2005 Chev/GMC 2500/3500 Duramax EC/CC Cat Back P Series Exhaust System 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 $430.91 |