Looking for aftermarket parts to modify or upgrade your 2011 GMC Sierra 1500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

IN STOCK - DROPSHIPS 49-44135-PThis system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing ... aFe Apollo GT Series Cat-Back Exhaust GM Trucks 09-18 V6-4.3L/V8-4.8/5.3L-Dual Rear Exit Polish Tips 2009-2013 GMC Sierra 1500 SL / WT 2009-2018 GMC Sierra 1500 SLE / SLT 2010-2013 GMC Sierra 1500 XFE $1,049.00 |
OUT OF STOCK 49-44136-BThis system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producin... aFe Apollo GT Series Cat-Back Exhaust System GM Trucks 09-18 V6-4.3L/V8-4.8/5.3L- Black Tip 2009-2013 GMC Sierra 1500 WT 2009-2018 GMC Sierra 1500 SLE $953.00 |
OUT OF STOCK 49-44136-PThis system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producin... aFe Apollo GT Series 3in 409SS GM Silverado/Sierra 1500 09-18 V6-4.3/V8-4.8/5.3L - Polished 2009-2013 GMC Sierra 1500 WT 2009-2018 GMC Sierra 1500 SLE $858.00 |

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 2009-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT 2010-2013 GMC Sierra 1500 XFE 2011-2011 GMC Sierra 1500 Denali $1,433.99 |
SHIPS FROM MANUFACTURER 140437Borla 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 11 Chevrolet Silverado 1500LT/LTZ / GMC Sierra 1500 SLE/SLT S-Type SS Catback Exhaust 2011-2013 GMC Sierra 1500 Denali / SLE / SLT $1,318.99 |

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 2009-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT 2010-2013 GMC Sierra 1500 XFE $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 2009-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT 2010-2013 GMC Sierra 1500 XFE $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 2009-2013 GMC Sierra 1500 SLE / WT $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 2009-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT 2010-2013 GMC Sierra 1500 XFE $999.99 |

OUT OF STOCK 14523CORSAs 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 Crew Cab/Short Bed 1500 6.2L V8 Polished Sport Cat-Back Exhaust 2011-2013 GMC Sierra 1500 Denali / SLE / SLT $1,728.99 |
OUT OF STOCK 14523BLKCORSAs 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 GMC Sierra Ext. Cab/Std. Bed 1500 6.2L V8 Black Sport Cat-Back Exhaust 2011-2013 GMC Sierra 1500 Denali / SLE / SLT $1,899.99 |
OUT OF STOCK 14925CORSA'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 2010-2013 Chevrolet Silverado Crew Cab/Short Bed 1500 4.8L V8 Polished Sport Cat-Back Exhaust 2010-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT / XFE $1,929.99 |
OUT OF STOCK 14925BLKCORSA'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 2010-2013 Chevrolet Silverado Crew Cab/Short Bed 1500 4.8L V8 Black Sport Cat-Back Exhaust 2010-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT / XFE $1,969.99 |
IN STOCK - LOW 24523mandrel bent... Corsa 2011-2013 Chevrolet Silverado Crew Cab/Short Bed 1500 6.2L V8 Polished Sport Cat-Back Exhaust 2011-2013 GMC Sierra 1500 Denali / SLE / SLT $900.02 |
SHIPS FROM MANUFACTURER 24903mandrel bent... Corsa 2009-2013 Chevrolet Silverado Reg. Cab/Long Bed 1500 4.8L V8 Polished Sport Cat-Back Exhaust 2009-2013 GMC Sierra 1500 SLE / WT $1,027.62 |
IN STOCK 24905mandrel bent... Corsa 2010-2013 Chevrolet Silverado Ext. Cab/Std. Bed 1500 4.8L V8 Polished Sport Cat-Back Exhaust 2010-2013 GMC Sierra 1500 Hybrid / SL / SLE / SLT / WT / XFE $914.10 |

SHIPS FROM MANUFACTURER 5637For 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 10-13 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $653.20 |
SHIPS FROM MANUFACTURER 65637For 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 10-13 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Extreme Exhaust - Stainless 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $655.58 |
SHIPS FROM MANUFACTURER 65637BFor 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 10-12 Chevrolet Silverado 1500 Hybrid 6.0L 2.25in Cat-Back Dual Extreme Exhaust - Black Elite 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $750.59 |
SHIPS FROM MANUFACTURER 65655For 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 10-13 GMC Sierra 1500 SLE 4.8L 2.25in Cat-Back Dual Extreme Exhaust - Stainless 2010-2013 GMC Sierra 1500 WT 2010-2018 GMC Sierra 1500 SLE $693.41 |

SHIPS FROM MANUFACTURER 5636For 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 10-13 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Split Exhaust - Aluminized 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $653.20 |
SHIPS FROM MANUFACTURER 65636For 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 10-13 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Split Exhaust - Stainless 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $655.58 |
SHIPS FROM MANUFACTURER 65654For 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 10-13 GMC Sierra 1500 SLE 4.8L 2.25in Cat-Back Dual Split Exhaust - Stainless 2010-2013 GMC Sierra 1500 WT 2010-2018 GMC Sierra 1500 SLE $693.41 |
SHIPS FROM MANUFACTURER 65654BDon'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 10-13 Chevrolet Silverado 1500 LT 4.8L 2.25in Cat-Back Dual Split Exhaust - Black Elite 2010-2013 GMC Sierra 1500 WT 2010-2018 GMC Sierra 1500 SLE $736.84 |

IN STOCK - LOW 65638If 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 10-13 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Sport Exhaust - Stainless 2010-2012 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 SL / SLE / SLT / WT / XFE $655.58 |