Looking for aftermarket parts to modify or upgrade your GMC Sierra 2500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Sierra 2500.
Whether you have a 1999 or 2004 GMC Sierra 2500 in Base to WT trim we have you covered. We have 48 catback available to mod your Sierra 2500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 5543For 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Split Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE / SLT $523.50 |
 SHIPS FROM MANUFACTURER 5548For 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Split Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE $523.50 |
 SHIPS FROM MANUFACTURER 65542For 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Split Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $652.28 |
 SHIPS FROM MANUFACTURER 65543For 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Split Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE / SLT $652.28 |
 SHIPS FROM MANUFACTURER 65548For 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Split Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $652.28 |
 SHIPS FROM MANUFACTURER 65550For 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 01-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Split Exhaust - Stainless 2004-2004 GMC Sierra 2500 SLE / SLT $769.24 |
 SHIPS FROM MANUFACTURER 5300If 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 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Sport Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE / SLT $523.50 |
 SHIPS FROM MANUFACTURER 65202If 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 01-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Sport Exhaust - Stainless 2004-2004 GMC Sierra 2500 SLE / SLT $769.24 |
 SHIPS FROM MANUFACTURER 65300If 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 99-06 Chevrolet Silverado 1500 LS 4.3L 2.5in Cat-Back Dual Sport Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE / SLT $652.28 |
 SHIPS FROM MANUFACTURER 65700If 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 99-01 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Sport Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $652.28 |
 SHIPS FROM MANUFACTURER 65704If 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 99-01 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Dual Sport Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $652.28 |
 SHIPS FROM MANUFACTURER 315519Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 99-01 Chevrolet Silverado 1500 Base 4.3L 3in Cat-Back Single Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE / SLT $437.82 |
 SHIPS FROM MANUFACTURER 615519Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 99-01 Chevrolet Silverado 1500 LS 4.3L 3in Cat-Back Single Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE / SLT $574.30 |
 SHIPS FROM MANUFACTURER 615520Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 99-01 Chevrolet Silverado 1500 LS 4.3L 3in Cat-Back Single Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $574.30 |
 SHIPS FROM MANUFACTURER 615522Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 99-01 Chevrolet Silverado 1500 LS 4.3L 3in Cat-Back Single Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $574.30 |
 SHIPS FROM MANUFACTURER 615567Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless 2004-2004 GMC Sierra 2500 SLE / SLT $717.24 |
 SHIPS FROM MANUFACTURER 5516Your truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains... Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE $437.82 |
 SHIPS FROM MANUFACTURER 5518Your truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains... Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Aluminized 1999-2000 GMC Sierra 2500 SL / SLE / SLT $437.83 |
 SHIPS FROM MANUFACTURER 65516Your truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains... Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $464.86 |
 IN STOCK 65518Your truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains... Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE / SLT $464.86 |
 SHIPS FROM MANUFACTURER 65519Your truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains... Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless 1999-2000 GMC Sierra 2500 SL / SLE $464.86 |
 IN STOCK - LOW 40-3009JBA 99-06 Chevrolet Silverado1500 Ext Cab Short Bed 4.3-5.3L 409SS Single Cat-Back Exhaust 1999-2000 GMC Sierra 2500 SL / SLE / SLT $471.45 |
 IN STOCK - LOW 40-3030JBA 01-06 Chevrolet Silverado 2500/3500 HD 6.0/8.1L 409SS Pass Side Dual Exit Cat-Back Exhaust 2001-2002 GMC Sierra 2500 SL 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $766.45 |