Looking for aftermarket parts to modify or upgrade your 2013 GMC Sierra 2500 HD with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

OUT OF STOCK 49-44043-BEngineered to perform in the most extreme environments. Constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque and lower EGTS. All systems use factory mounting locations providing stability and hassle free installation. High quality OE... aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Black Tips 2011-2014 GMC Sierra 2500 HD WT 2011-2016 GMC Sierra 2500 HD Denali / SLE / SLT $967.00 |
OUT OF STOCK 49-44043-PEngineered to perform in the most extreme environments. Constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque and lower EGTS. All systems use factory mounting locations providing stability and hassle free installation. High quality OE... aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Polished 2011-2014 GMC Sierra 2500 HD WT 2011-2016 GMC Sierra 2500 HD Denali / SLE / SLT $871.00 |

SHIPS FROM MANUFACTURER 47786-BThe Banks Monster Exhaust is engineered using computational fluid dynamics (CFD) software then tested on both dyno and on-road.Reducing backpressure allows the engine to expel spent gasses with less effort. Less pumping loss means more horsepower, lower EGTs, and improved fuel economy. The Monster E... Banks Power 11-14 Chev 6.6L LML ECLB/CCSB/CCLB Monster Exhaust Sys - SS Single Exhaust w/ Black Tip 2011-2014 GMC Sierra 2500 HD Denali / SLE / SLT / WT $399.00 |
SHIPS FROM MANUFACTURER 48998-B5-inch 409 stainless steel constant-diameter DPF-back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15%. Improves flow and cuts backpressure by 89% from the DPF and 9% at the turbine inlet, allowing the engine to produce more horsepower. Includes Huge Polished... Banks Power 11-15 Chevrolet Silverado 6.6L LML 5in Monster Exhaust w/ SideKick S/S Black Tip 2011-2014 GMC Sierra 2500 HD WT 2011-2016 GMC Sierra 2500 HD Denali / SLE / SLT $635.39 |

SHIPS FROM MANUFACTURER 47786The Banks Monster Exhaust is engineered using computational fluid dynamics (CFD) software then tested on both dyno and on-road., Reducing backpressure allows the engine to expel spent gasses with less effort. Less pumping loss means more horsepower, lower EGTs, and improved fuel economy. The Monster... Banks Power 11-14 Chev 6.6L LML ECLB/CCSB/CCLB Monster Exhaust Sys - SS Single Exhaust w/ Chrome Tip 2011-2014 GMC Sierra 2500 HD Denali / SLE / SLT / WT $399.00 |

IN STOCK 140429Borla Cat-Back and Rear Section exhaust systems feature patented straight through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power; driving excitement; fuel economy; and the distinctive Borla Sound of power respected enthusiasts everywhere. Each system i... Borla 09-11 Chevrolet Silverado / 09-11 GMC Sierra S-Type SS Catback Exhaust 2013-2013 GMC Sierra 2500 HD SLE / SLT $1,433.99 |

OUT OF STOCK 140340This 2.75" diameter into dual 2.25" Cat-Back(tm) system delivers the mellow Touring sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-t... Borla 09-12 GMC Sierra 1500 / 09-12 Chevrolet Silverado 1500 SS Catback Exhaust 2013-2013 GMC Sierra 2500 HD SLE / SLT $1,419.99 |
IN STOCK - DROPSHIPS 140341This 2.75 diameter into dual 2.25" Cat-Back(tm) system delivers the mellow Touring sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-t... Borla 09-11 Chevrolet Sierra 1500 WT/SLT/SLEi/XFE / Silverado 1500 WT/LT/LTZ/LS SS Catback Exhaust 2013-2013 GMC Sierra 2500 HD SLE / SLT $1,399.99 |
SHIPS FROM MANUFACTURER 140342This 2.75" diameter into dual 2.25" Cat-Back(tm) system delivers the mellow Touring sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-t... Borla 09-12 Chevrolet Silverado / 09-12 GMC Sierra 1500 WT/SLE/LT 4.8L/5.3L/6.0L SS Catback Exhaust 2013-2013 GMC Sierra 2500 HD SLE $1,399.99 |
IN STOCK 140343This 2.75" diameter Cat-Back(tm)system delivers the mellow Touring sound with no drone inside the vehicle. The system has a single passenger side exit. It features a 4" round bright chrome on T-304 stainless steel tip. Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-throu... Borla 09-13 Chevrolet Silverado/GMC Sierra 1500 4.8L/5.3L/6.0L Side Exit Catback Exhaust 2013-2013 GMC Sierra 2500 HD SLE / SLT $999.99 |

IN STOCK - DROPSHIPS 14792CORSAs Patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a ... Corsa 2011-2013 Chevrolet Silverado Ext. Cab/Std. Bed 2500 6.0L V8 Polished Sport Cat-Back Exhaust 2011-2013 GMC Sierra 2500 HD SLE / SLT $1,568.99 |
SHIPS FROM MANUFACTURER 14792BLKCORSAs Patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a ... Corsa 11-13 GMC Sierra 6.0L V8 3in Cat-Back Single Side w Twin 4in Black Pro-Series Tips 2011-2013 GMC Sierra 2500 HD SLE / SLT $1,604.99 |
SHIPS FROM MANUFACTURER 14794BLKCORSA's Patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a... Corsa 11-12 Chevrolet Silverado Crew Cab/Std. Bed 2500 6.0L V8 Black Sport Cat-Back Exhaust 2011-2014 GMC Sierra 2500 HD SLE / WT $1,604.99 |
SHIPS FROM MANUFACTURER 24790dB by CORSA's patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa 11 -12 Chevrolet Silverado Reg. Cab/Long Bed 2500 6.0L V8 Polished Sport Cat-Back Ex 2011-2014 GMC Sierra 2500 HD SLE / WT $1,027.62 |
SHIPS FROM MANUFACTURER 24792dB by CORSA's patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa 11 -12 Chevrolet Silverado Ext. Cab/Std. Bed 2500 6.0L V8 Polished Sport Cat-Back Ex 2011-2013 GMC Sierra 2500 HD SLE / SLT $1,027.62 |
SHIPS FROM MANUFACTURER 24796dB by CORSA's patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa 11 -12 Chevrolet Silverado Ext. Cab/Long Bed 2500 6.0L V8 Polished Sport Cat-Back Ex 2011-2013 GMC Sierra 2500 HD SLE / SLT / WT $1,027.62 |
SHIPS FROM MANUFACTURER 24798dB by CORSA's patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa 11 -12 Chevrolet Silverado Crew Cab/Long Bed 2500 6.0L V8 Polished Sport Cat-Back Ex 2011-2014 GMC Sierra 2500 HD SLE / SLT / WT $1,027.62 |

SHIPS FROM MANUFACTURER 5652For 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 11-19 GMC Sierra 2500 HD Denali 6.0L 3.5in/3in Cat-Back Dual Extreme Exhaust - Aluminized 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $733.68 |
SHIPS FROM MANUFACTURER 65649For 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 15-19 GMC Sierra 2500 HD Base 6.0L 3in Cat-Back Dual Extreme Exhaust - Stainless 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $804.34 |
SHIPS FROM MANUFACTURER 65652For 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 15-19 GMC Sierra 2500 HD Base 6.0L 3.5in/3in Cat-Back Dual Extreme Exhaust - Stainless 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $804.34 |
SHIPS FROM MANUFACTURER 65652BFor the extremist who wants to take their truck to the next level, this Black Elite 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. Each T-304 stainless tip is offered with a premium black finish applied with Gibs... Gibson 11-19 GMC Sierra 2500 HD Denali 6.0L 3.5in/3in Cat-Back Dual Extreme Exhaust - Black Elite 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $903.39 |

SHIPS FROM MANUFACTURER 5651For 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 Tip exit straight out the back. W... Gibson 11-19 Chevrolet Silverado 2500 HD LT 6.0L 3.5in/3in Cat-Back Dual Split Exhaust - Aluminized 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $742.16 |
SHIPS FROM MANUFACTURER 65648For 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 15-19 GMC Sierra 2500 HD Base 6.0L 3in Cat-Back Dual Split Exhaust - Stainless 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $804.34 |
SHIPS FROM MANUFACTURER 65648BDon't waste a split second! The Black Elite Series displays performance and style by giving you the ultimate choice where there's no need to decide. Take on adventure with the Black Elite Series Split Rear. Each T-304 stainless tip is offered with a premium black ceramic finish applied with Gibson's... Gibson 11-19 Chevrolet Silverado 2500 HD LT 6.0L 3in Cat-Back Dual Split Exhaust - Black Elite 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $854.98 |
SHIPS FROM MANUFACTURER 65651For 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. Polished Stainless Tip exit straight out th... Gibson 15-19 GMC Sierra 2500 HD Base 6.0L 3.5in/3in Cat-Back Dual Split Exhaust - Stainless 2011-2014 GMC Sierra 2500 HD WT 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT $804.34 |