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Looking for aftermarket parts to modify or upgrade your GMC Sierra 2500 HD with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.
 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 2500 HD SL 2001-2005 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2003-2005 GMC Sierra 2500 HD WT $212.00 |
 IN STOCK - DROPSHIPS 15732The MagnaFlow Street Series Cat-Back Performance Exhaust System 15732 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 1 Straight-Through mufflers ending in a Single P... MagnaFlow Sys C/B GM 2500Hd 6.0L Cc/Sb 00-02 2001-2002 GMC Sierra 2500 HD SL / SLE / SLT 2002-2002 GMC Sierra 2500 HD Base $893.00 |
 IN STOCK - DROPSHIPS 15789The MagnaFlow Street Series Cat-Back Performance Exhaust System 15789 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 1 Straight-Through mufflers ending in a Single P... MagnaFlow Sys C/B 03 GM Silverado 2500Hd 6.0L 2003-2005 GMC Sierra 2500 HD Base 2003-2006 GMC Sierra 2500 HD SLE / SLT / WT 2006-2006 GMC Sierra 2500 HD SL $965.00 |
 IN STOCK - DROPSHIPS 15829The MagnaFlow Street Series Cat-Back Performance Exhaust System 15829 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Spl... MagnaFlow Sys C/B 03- GM 2500HD 6.0 Dual CCSB 2001-2002 GMC Sierra 2500 HD SL 2001-2006 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2003-2006 GMC Sierra 2500 HD WT 2006-2006 GMC Sierra 2500 HD SL $1,049.00 |
 OUT OF STOCK 19026The MagnaFlow Street Series Cat-Back Performance Exhaust System 19026 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 2 Straight-Through mufflers ending in a Single P... MagnaFlow Stainless Cat-Back Exhaust 2015 Chevy Silverado 2500HD 6.0L P/S Rear Exit 5in 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 2500 HD Base $1,271.00 |
 OUT OF STOCK 19027The MagnaFlow Street Series Cat-Back Performance Exhaust System 19027 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3.5in. main piping and 1 Straight-Through mufflers ending in a Dual S... MagnaFlow Stainless Cat-Back Exhaust 2015 Chevy Silverado 2500HD 6.0L Dual Split Rear Exit 4in 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 2500 HD Base $1,467.00 |
 OUT OF STOCK 19376The Street Series Black Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. Features Black coated tips.... MagnaFlow 11-19 GM 2500/3500 6.0L 4in Single Passenger Side Rear Exit Cat-Back Exhaust w/Black Tips 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 2500 HD Base $1,368.00 |
 IN STOCK - DROPSHIPS 19377The Street Series Black Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. Features Black coated tips.... MagnaFlow 11-19 Chevrolet Silverado 2500/3500 HD V8-6.0L Dual Split Cat-Back Exhaust w/Black Tips 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 2500 HD Base $1,558.00 |
 OUT OF STOCK 19524MagnaFlow 2022+ GM 2500/3500HD 6.6L Gas Single Passenger Side Rear Exit Cat-Back Exhaust 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT 2022-2025 GMC Sierra 2500 HD Pro 2024-2025 GMC Sierra 2500 HD AT4X $1,381.00 |
 IN STOCK 19693The Black DPF series is our premier MagnaFlow Performance DPF Series featuring stainless construction with the added style of a Black Coating applied from tailpipe to tip.... MagnaFlow 2024+ Chevy Silverado 2500HD/3500HD Black Series Filter-Back Performance Exhaust 2024-2025 GMC Sierra 2500 HD AT4 / AT4X / Denali / Denali Ultimate / Pro / SLE / SLT $1,229.00 |
 OUT OF STOCK 19694The MagnaFlow PRO DPF Series 19694 utilizes it's weight-optimized, durable, corrosion resistant stainless steel design to enhance your truck with MagnaFlow's signature sound and dyno-tested performance. 19694's 5in. diameter mandrel bent main piping features a muffler delete and terminates in a Sing... MagnaFlow 2024+ Chevy Silverado 2500HD/3500HD Pro Series Filter-Back Performance Exhaust 2024-2025 GMC Sierra 2500 HD AT4 / AT4X / Denali / Denali Ultimate / Pro / SLE / SLT $1,118.00 |
 IN STOCK S6059304THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y... MBRP 2020+ GMC/Chevy 2500/3500 6.6L Duramax 4in Mand Bent Tubing Pro-Ser Cat Back Single Side - 304 2020-2021 GMC Sierra 2500 HD Base 2020-2026 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT 2022-2026 GMC Sierra 2500 HD Pro 2024-2024 GMC Sierra 2500 HD AT4X 2024-2026 GMC Sierra 2500 HD Denali Ultimate 2026-2026 GMC Sierra 2500 HD AT4X $539.99 |
 IN STOCK S5010409RELIABILITY 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 2003-2007 Chev/GMC 2500 HD 6.0L EC-SB Cat Back Dual Split Side 2001-2002 GMC Sierra 2500 HD SL 2001-2006 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2004-2006 GMC Sierra 2500 HD WT 2006-2006 GMC Sierra 2500 HD SL $699.99 |
 IN STOCK - LOW S5076409RELIABILITY 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 11-19 Chevy/GMC 2500HD PU 6.0L V8 Single Side Exit T409 Cat Back Perf Exhaust 2011-2012 GMC Sierra 2500 HD Denali 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD SLE / SLT 2015-2019 GMC Sierra 2500 HD Base 2016-2019 GMC Sierra 2500 HD Denali $724.99 |
 IN STOCK S5078409RELIABILITY 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 07-10 Chevy/GMC 2500HD PU 6.0L V8 3.5in Single Side Exit T409 Cat Back Perf Exhaust 2007-2010 GMC Sierra 2500 HD SLE / SLT / WT $714.99 |
 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 2500 HD SL / SLE / SLT / WT $719.99 |
 IN STOCK S60360409RELIABILITY 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 11-18 Chevy/GMC 2500/3500 5in Filter Back Single Side T409 Exhaust System 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD SLE / SLT 2015-2019 GMC Sierra 2500 HD Base 2016-2019 GMC Sierra 2500 HD Denali $614.99 |
 IN STOCK S5012ALTHE 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 2003-2007 Chev/GMC 2500 HD 6.0L CC-SB Cat Back Dual Split Side 2001-2002 GMC Sierra 2500 HD SL 2001-2006 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2004-2006 GMC Sierra 2500 HD WT 2006-2006 GMC Sierra 2500 HD SL $664.99 |
 IN STOCK S5076ALTHE 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 11-19 Chevy/GMC 2500HD PU 6.0L V8 Single Side Exit Alum Cat Back Perf Exhaust 2011-2012 GMC Sierra 2500 HD Denali 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD SLE / SLT 2015-2019 GMC Sierra 2500 HD Base 2016-2019 GMC Sierra 2500 HD Denali $574.99 |
 OUT OF STOCK S5078ALTHE 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 07-10 Chevy/GMC 2500HD PU 6.0L V8 3.5in Single Side Exit Alum Cat Back Perf Exhaust 2007-2010 GMC Sierra 2500 HD SLE / SLT / WT $524.99 |
 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 2500 HD SL 2001-2005 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2004-2005 GMC Sierra 2500 HD WT $604.99 |
 IN STOCK - DROPSHIPS 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 2500 HD SL 2001-2004 GMC Sierra 2500 HD SLE / SLT 2002-2004 GMC Sierra 2500 HD Base 2004-2004 GMC Sierra 2500 HD WT $699.99 |
 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 2500 HD Base / SLE / SLT / WT $649.99 |
 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 2500 HD SL / SLE / SLT / WT $649.99 |
 IN STOCK S6009PLMTHE 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 15-16 Chevy Silverado / GMC Sierra 2500/3500HD 4in OD CatBack Single Side Exit w/ Downpipe - AL 2015-2016 GMC Sierra 2500 HD Base / Denali / SLE / SLT $499.99 |