Looking for aftermarket parts to modify or upgrade your 2004 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 2004 GMC Sierra 2500 in Base to WT trim we have you covered. We have 22 catback available to mod your Sierra 2500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 48628-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L SCLB Monster Exhaust System - SS Single Exhaust w/ Black Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $709.00 |
 SHIPS FROM MANUFACTURER 48629-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L Ec/CCSB Monster Exhaust System - SS Single Exhaust w/ Black Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $709.00 |
 SHIPS FROM MANUFACTURER 48630-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L Ec/Cclb Monster Exhaust System - SS Single Exhaust w/ Black Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $749.00 |
 SHIPS FROM MANUFACTURER 48632-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chevy 6.6L SCLB Monster Exhaust System - SS Single Exhaust w/ Black Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $529.00 |
 SHIPS FROM MANUFACTURER 48633-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chev 6.6L EC/CCSB Monster Exhaust System - SS Single Exhaust w/ Black Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $540.00 |
 SHIPS FROM MANUFACTURER 48634-BStainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chevy 6.6L EC/CCLB Monster Exhaust System - SS Single Exhaust w/ Black Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $599.00 |
 SHIPS FROM MANUFACTURER 48628Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L SCLB Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $709.00 |
 SHIPS FROM MANUFACTURER 48629Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L Ec/CCSB Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $709.00 |
 SHIPS FROM MANUFACTURER 48630Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 01-04 Chevy 6.6L Ec/Cclb Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $749.00 |
 SHIPS FROM MANUFACTURER 48632Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chevy 6.6L SCLB Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $529.00 |
 SHIPS FROM MANUFACTURER 48633Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chevy 6.6L EC/CCSB Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $540.00 |
 SHIPS FROM MANUFACTURER 48634Stainless constant-diameter pipes and straight-thru muffler nearly doubles flow. Lower exhaust temps. Virtually no backpressure. Rich, throaty sound. Monster exhaust system flows better than stock and virtually eliminates backpressure. The streamlined intermediate pipe(s) and tailpipe are formed of ... Banks Power 02-05 Chevy 6.6L EC/CCLB Monster Exhaust System - SS Single Exhaust w/ Chrome Tip 2002-2004 GMC Sierra 2500 Base / SLE / SLT 2003-2004 GMC Sierra 2500 WT $599.00 |
 SHIPS FROM MANUFACTURER 48769Monster Performance And Modes price. Improves airflow up to 122 percent. Banks new Monster Sport Exhaust is one cool cat back system! And its low price. Thats way cool. The system slashes backpressure; increases exhaust flow; improves fuel economy and delivers extra power to your rear wheels. Ex... Banks Power 01-05 Chevy 6.6L SCLB Monster Sport Exhaust System 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $429.00 |
 SHIPS FROM MANUFACTURER 48770Monster Performance And Modes price. Improves airflow up to 122 percent. Banks new Monster Sport Exhaust is one cool cat back system! And its low price. Thats way cool. The system slashes backpressure; increases exhaust flow; improves fuel economy and delivers extra power to your rear wheels. Ex... Banks Power 01-05 Chev 6.6L Ec/CCSB Monster Sport Exhaust System 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $449.00 |
 SHIPS FROM MANUFACTURER 48771Monster Performance And Modes price. Improves airflow up to 122 percent. Banks new Monster Sport Exhaust is one cool cat back system! And its low price. Thats way cool. The system slashes backpressure; increases exhaust flow; improves fuel economy and delivers extra power to your rear wheels. Ex... Banks Power 01-05 Chevy 6.6L Ec/Cclb Monster Sport Exhaust System 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $489.00 |
 IN STOCK 24292dB by CORSAs patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa/dB 03-06 Chevrolet Silverado Ext. Cab/Short Bed 2500 6.0L V8 Polished Sport Cat-Back Exhaust 2003-2004 GMC Sierra 2500 Base / SLE / SLT 2004-2004 GMC Sierra 2500 WT $916.96 |
 OUT OF STOCK 24296dB by CORSAs patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.... Corsa/dB 02-06 Chevrolet Silverado Crew Cab/Short Bed 2500 6.0L V8 Polished Sport Cat-Back Exhaust 2004-2004 GMC Sierra 2500 SLE / SLT $916.96 |
 SHIPS FROM MANUFACTURER 65017For 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 01-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Stainless 2004-2004 GMC Sierra 2500 SLE / SLT $769.24 |
 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 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 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 |
 IN STOCK - LOW 40-3030JBA 01-06 Chevrolet Silverado 2500/3500 HD 6.0/8.1L 409SS Pass Side Dual Exit Cat-Back Exhaust 2001-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $766.45 |