Looking for aftermarket parts to modify or upgrade your 2020 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 2020 GMC Sierra 1500 in AT4 to SLT trim we have you covered. We have 123 catback available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
 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 |
 IN STOCK - LOW 21200Corsa 19-23 Chevrolet Silverado 1500 Cat-Back Dual Rear Exit with Twin 4in Polished Pro-Series Tips 2019-2021 GMC Sierra 1500 AT4 / SLT $1,773.99 |
 IN STOCK 21200BPCCorsa 19-23GMC Sierra 1500 Cat-Back Dual Rear Exit with Twin 4in Black Powder Coat Pro-Series Tips 2019-2022 GMC Sierra 1500 AT4 / Denali / SLT $1,853.99 |
 IN STOCK 21201Corsa 19-23 GMC Sierra 1500 Cat-Back Dual Rear Exit with Twin 4in Polished Pro-Series Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLE / SLT $1,863.99 |
 IN STOCK 21201BPCCorsa 19-23 GMC Sierra 1500 Cat-Back Dual Rear Exit with Twin 4in Black Powder Coat Pro-Series Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2022 GMC Sierra 1500 Denali / SLE / SLT $1,943.99 |
 IN STOCK 21202Corsa 19-23 Chevrolet Silverado 1500 Cat-Back Dual Rear Exit with Twin 4in Polished Pro-Series Tips 2019-2023 GMC Sierra 1500 AT4 / Denali / SLT $1,913.99 |
 IN STOCK 21202BPCCorsa 19-23 GMC Sierra 1500 Cat-Back Dual Rear Exit with Twin 4in Black Powder Coat Pro-Series Tips 2019-2023 GMC Sierra 1500 AT4 / Denali / SLT $1,993.99 |
 SHIPS FROM MANUFACTURER 65690Made to last the new Chevy Silverado Gibson Exhaust Dual Extreme Cat-Back System is here. For 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. Yo... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Extreme Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $703.64 |
 SHIPS FROM MANUFACTURER 65690BThe Black Elite product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite. For increased style and Performance, the series pushes the ... Gibson 19-22 GMC Sierra 1500 4.3-5.3L 3in/2.5in Cat-Back Dual Extreme Exhaust Stainless -Black Elite 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $747.95 |
SHIPS FROM MANUFACTURER 65690EMade to last the new Chevy Silverado Gibson Exhaust Dual Extreme Cat-Back System is here. For 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... Gibson 19-22 GMC Sierra 1500 4.3L-5.3L Pickup 3in/2.5in Cat-Back Dual Extreme Exhaust - Stainless 2019-2021 GMC Sierra 1500 Base $703.64 |
 SHIPS FROM MANUFACTURER 65693Made to last the new Chevy Silverado Gibson Exhaust Dual Extreme Cat-Back System is here. For 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. Yo... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Extreme Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Denali / SLT $703.64 |
 IN STOCK 65688Made to last the new Chevy Silverado Gibson Exhaust Dual Split Cat-Back System is here. For 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... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / Elevation / SLE / SLT $616.22 |
 IN STOCK - DROPSHIPS 65689Made to last the new Chevy Silverado Gibson Exhaust Dual Split Rear Cat-Back System is here. For 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 horse... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $703.64 |
 SHIPS FROM MANUFACTURER 65689BDon't waste a split second, the new Chevy Silverado Exhaust System is here! 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 4.0" Rolled T-304 stainless tip is offer... Gibson 19-22 Chevrolet Silverado 1500 Custom 5.3L 3in/2.5in Cat-Back Dual Split Exhaust- Black Elite 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $747.95 |
 SHIPS FROM MANUFACTURER 65691Made to last the new Chevy Silverado Gibson Exhaust Dual Split Rear Cat-Back System is here. For 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 horse... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Denali / SLT $703.64 |
 SHIPS FROM MANUFACTURER 65691BDon't waste a split second, the new Chevy Silverado Exhaust System is here! 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 4.0" Rolled T-304 stainless tip is offer... Gibson 19-22 Chevrolet Silverado 1500 Custom 5.3L 3in/2.5in Cat-Back Dual Split Exhaust- Black Elite 2019-2021 GMC Sierra 1500 AT4 / Denali / SLT $747.95 |
 IN STOCK 65692Made to last the new Chevy Silverado Gibson Exhaust Dual Split Cat-Back System is here. For 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... Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Denali / SLT $616.22 |
 IN STOCK - LOW 65698Made to last the new Chevy Silverado Gibson Exhaust Dual Split Cat-Back System is here. For 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... Gibson 19-21 Chevrolet 1500 Pickup 5.3L 2.5in Cat-Back Dual Split Exhaust - Stainless 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $616.22 |
 IN STOCK - DROPSHIPS 65699BDon't waste a split second, the new Chevy Silverado Exhaust System is here! The Black Elite displays performance and style by giving you the ultimate choice where there's no need to decide. Take on adventure with the Black Elite Split Rear. Each 4.0" Rolled T-304 stainless tip is offered with a prem... Gibson 19-22 GMC Sierra 1500 5.3L 3/2.5in Cat-Back Dual Split Exhaust System Stainless - Black Elite 2019-2021 GMC Sierra 1500 AT4 / Base / Denali / SLE / SLT $747.95 |
 OUT OF STOCK 30-3054JBA 04-19 Chevy Silverado 4.8L/5.3L (Excl Reg Cab) 304SS Dual Exit Cat-Back Exhaust w/3in Tips 2004-2020 GMC Sierra 1500 SLE / SLT 2014-2020 GMC Sierra 1500 Base / Denali $868.45 |
 OUT OF STOCK 30-3055JBA 19-20 Chevy/GMC 1500 5.3L L82/L84 304SS Dual Side Exit Cat-Back Exhaust System 2019-2021 GMC Sierra 1500 Base / Denali / SLE / SLT $779.95 |
 OUT OF STOCK 30-3056JBA 19-20 Chevy/GMC 1500 5.3L L84/Z71 304SS Cat-Back Exhaust 2019-2020 GMC Sierra 1500 Base / Denali / SLE / SLT $809.45 |
 OUT OF STOCK 30-3057JBA 19-20 Chevy/GMC 1500 6.2L L87/LTZ Z71 304SS Cat-Back Exhaust 2019-2020 GMC Sierra 1500 Denali / SLT $809.45 |
 SHIPS FROM MANUFACTURER 28624100Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless... Kooks 2019+ GM 1500 Series Truck 5.3L CC w/ Short Box OEM x 3in SS Catback Exhaust w/ Polished Tips 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2024 GMC Sierra 1500 Denali / Elevation / SLE / SLT $1,475.73 |