Looking for aftermarket parts to modify or upgrade your 2018 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 2018 GMC Sierra 1500 in Base to SLT trim we have you covered. We have 160 catback available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 17148Lifted, lowered, air bagged or long travel, the Off Road Pro-Series provides the most versatility to accommodate nearly every configuration. Engineered for maximum power and minimal weight using the same state-of-the-art manufacturing needed for lifetime warranty quality, these systems eliminate the... MagnaFlow 14 Chev Silverado V8 5.3L SC Cab Turn Down in Front of Rr Tire SS Catback Perf Exhaust 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $721.00 |
 SHIPS FROM MANUFACTURER 19374Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow 14+ Chevrolet Silverado 1500 Gas 409 SS Black 4in Tip Passenger Side Exit Catback Exhaust 2014-2018 GMC Sierra 1500 Denali / SLT $1,256.00 |
 SHIPS FROM MANUFACTURER 19375Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow 14-18 Chevrolet Silverado 1500 4in Single Exit Stainless Steel Cat-Back Exhaust w/Blk Tip 2014-2018 GMC Sierra 1500 Denali / SLT $1,295.00 |
 SHIPS FROM MANUFACTURER 19378Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow CatBack 14-18 GMC Sierra 1500 V8-6.2L Polished Stainless Exhaust w/ Black Coated Tips 2014-2018 GMC Sierra 1500 Denali / SLT $1,295.00 |
 IN STOCK - LOW CT14CBChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L/6.2L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box.Fits to Stainless Works Performance Connect headers for true-dual gains. Exits behind passenger rear tire. Limited Lifetime Warranty: Stainless Works... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Passenger Rear Tire Exit 2007-2018 GMC Sierra 1500 Denali / SLE / SLT 2014-2018 GMC Sierra 1500 Base $1,604.55 |
 SHIPS FROM MANUFACTURER CT14CBFTChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L/6.2L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Fits to Stainless Works Performance Connect headers for true-dual gains. Exits in front of passenger side rear tire. Limited Lifetime Warranty: Stai... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Before Passenger Rear Tire Exit 2007-2018 GMC Sierra 1500 Denali / SLE / SLT 2014-2018 GMC Sierra 1500 Base $1,604.55 |
 SHIPS FROM MANUFACTURER CT14CBFTYChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Fits to factory connection point behind factory catalytic converter. Exits in front of passenger side rear tire. Limited Lifetime Warranty: Stainless Wor... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Before Passenger Rear Tire Exit 2007-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $1,700.50 |
 SHIPS FROM MANUFACTURER CT14CBUBChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L/6.2L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Fits to Stainless Works Performance Connect headers for true-dual gains. Exits under bumper on both sides. Limited Lifetime Warranty: Stainless Work... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Under Bumper Exit 2007-2018 GMC Sierra 1500 Denali / SLE / SLT 2014-2018 GMC Sierra 1500 Base $1,604.55 |
 SHIPS FROM MANUFACTURER CT14CBUBYChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Fits to factory connection point behind factory catalytic converter. Exits under bumper on both sides. Limited Lifetime Warranty: Stainless Works headers... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Y-Pipe Under Bumper Exit 2007-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $1,700.50 |
 SHIPS FROM MANUFACTURER CT14CBYChevy Silverado / GMC Sierra 2007-16 Exhaust for 1500 2WD/4WD 5.3L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Fits to factory connection point behind factory catalytic converter. Exits behind passenger rear tire. Limited Lifetime Warranty: Stainless Works headers... Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Y-Pipe Passenger Rear Tire Exit 2007-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $1,700.50 |