Looking for aftermarket parts to modify or upgrade your 2021 GMC Sierra 1500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Sierra 1500.
Whether you have a 2021 GMC Sierra 1500 in AT4 to SLT trim we have you covered. We have 110 catback available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 140794Borla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 AT 2&4WD EC STB(78.8) CC SB(69.3) 147.4 WB 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,016.99 |
 IN STOCK 140794BCBorla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 EC STB(78.8) CC SB(69.3) 147.4 WB Blk Chrome Tip 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,074.99 |
 SHIPS FROM MANUFACTURER 140800Borla S-Type Cat-Back 19-20 Chevrolet Silverado Side Exit Exhaust 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,293.99 |
 IN STOCK - LOW 140800BCBorla S-Type Cat-Back 19-20 Chevrolet Silverado Side Exit Exhaust - Black Chrome Tip 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,323.99 |
 SHIPS FROM MANUFACTURER 140805Borla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 AT 2&4WD 2DR REG. CAB, STD. BED WB 126 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,016.99 |
 SHIPS FROM MANUFACTURER 140805BCBorla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 2DR REG. CAB, STD. BED WB 126 Blk Chrome Tip 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,053.99 |
 SHIPS FROM MANUFACTURER 1408422019-2020 Chevrolet Silverado 1500/ GMC Sierra 1500 5.3L V8 Automatic Transmission 2 & 4 Wheel Drive 2 Door Regular Cab Standard Bed 126" Wheelbase. This Wheelbase NOT Available In North America. This system comes with bright chrome on T-304 stainless steel tips. BORLA? Cat-Back? & Axle-Back exhaust... Borla 19-20 Chevrolet Silverado 5.3L V8 2/4WD Regular Cab S-Type Cat-back 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,485.99 |
 SHIPS FROM MANUFACTURER 140767Borla 2019 Chevy Silverado 1500 5.3L V8 CC SB 147.4in WB Touring Cat-Back (Use Fact Fascia Tips) 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,311.99 |
 IN STOCK 140768BCBorla 2019 Chevy Silverado 1500 5.3L V8 CC SB 147.4in WB Touring Cat-Back w/ Quad BC Round Tips 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,733.99 |
 SHIPS FROM MANUFACTURER 140768CFBorla 2019 Chevy Silverado 1500 5.3L V8 CC SB 147.4in WB Touring Cat-Back w/ Quad CF Round Tips 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $2,259.99 |
 IN STOCK 140771Borla 19 Chevrolet Silverado/GMC Sierra 1500 6.2L SS Touring Catback Exhaust 2019-2021 GMC Sierra 1500 Base 2019-2022 GMC Sierra 1500 SLE 2019-2023 GMC Sierra 1500 Denali / SLT $1,418.99 |
 IN STOCK 140772BCBorla 19 Chevrolet Silverado/GMC Sierra 1500 6.2L SS Touring Catback Exhaust - Black Chrome Tips 2019-2021 GMC Sierra 1500 Base 2019-2022 GMC Sierra 1500 SLE 2019-2023 GMC Sierra 1500 Denali / SLT $1,829.99 |
 IN STOCK 140772CFBorla 19 Chevrolet Silverado/GMC Sierra 1500 6.2L SS Touring Catback Exhaust - Carbon Fiber Tips 2019-2023 GMC Sierra 1500 Denali / SLT $2,356.99 |
 IN STOCK 140780Borla 2019 Chevy Silverado 1500 5.3L V8 CC SB 147.4in WB Touring Cat-Back w/ Quad Square Tips 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,552.99 |
 IN STOCK - LOW 140782Borla 19 Chevrolet Silverado/GMC Sierra 1500 6.2L SS Touring Catback Exhaust - Square Chrome Tips 2019-2023 GMC Sierra 1500 Denali / SLT $1,696.99 |
 SHIPS FROM MANUFACTURER 140793Borla 2019 Silv/Sierra C/B Exh Touring 1500 5.3L V8 AT 2&4WD EC STB(78.8) CC SB(69.3) 147.4 WB 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,016.99 |
 IN STOCK - LOW 140793BCBorla 2019 Silv/Sierra C/B Exh Touring 1500 5.3L V8 EC STB(78.8) CC SB(69.3) 147.4 WB Blk Chrome Tip 2019-2021 GMC Sierra 1500 Base 2019-2024 GMC Sierra 1500 AT4 / Denali / Elevation / SLE / SLT $1,045.99 |
 IN STOCK - LOW 21028CORSAs 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 2019+ Chevy Silverado 5.3L Crew Cab 3in Cat-Back Dual Rear Exit w/ Polished Tip 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLT 2019-2023 GMC Sierra 1500 Elevation / SLE $1,570.99 |
 IN STOCK - LOW 21030CORSAs 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 2019+ Chevy Silverado 5.3L Crew Cab Short Bed Sport Cat-Back Dual Rear Exit w/ Polished Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLT 2019-2023 GMC Sierra 1500 Elevation / SLE $1,633.99 |
 IN STOCK 21030BLKCORSAs 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 2019+ Chevy Silverado 1500 5.3L Crew Cab Short Bed Sport Cat-Back Dual Rear Exit w/ Black Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLT 2019-2023 GMC Sierra 1500 Elevation / SLE $1,673.99 |
 IN STOCK 21033CORSA'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 2019 Chevrolet Silverado / GMC SIerra 1500 3in Sport Cat-Back Dual Rear Exit 2019-2022 GMC Sierra 1500 AT4 / Denali / SLT $1,673.99 |
 IN STOCK 21034CORSA'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 2019+ Chevy Silverado 6.2L Crew Cab Standard Bed Sport Cat-Back Dual Rear Exit w/o Tips 2019-2023 GMC Sierra 1500 AT4 / Denali / SLT $1,673.99 |
 IN STOCK - LOW 21043Corsa 19+ GM Silverado/Sierra 5.3L V8 3in Dual Rear Exit 157in Wheelbase Catback - Sport (No Tips) 2019-2021 GMC Sierra 1500 Base 2019-2023 GMC Sierra 1500 Denali / SLE / SLT 2020-2021 GMC Sierra 1500 AT4 $1,748.99 |
 IN STOCK 21199Corsa 19-23 Chevrolet Silverado 1500 5.3L 147.5in Wheel Base Cat-Back Dual Rear 4in Polish Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLT 2019-2023 GMC Sierra 1500 Elevation / SLE $1,668.99 |
 IN STOCK - LOW 21199BPCCorsa 19-23 Chevy Silverado 1500 CatBack Dual Rear Exit with Twin 4in Black Powder Ct ProSeries Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLT 2019-2023 GMC Sierra 1500 Elevation / SLE $1,748.99 |