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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.
 OUT OF STOCK 24292mandrel bent... Corsa 2003-2006 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 $920.26 |
 OUT OF STOCK 24296mandrel bent... Corsa 2003-2006 Chevrolet Silverado Crew Cab/Short Bed 2500 6.0L V8 Polished Sport Cat-Back Exhaust 2004-2004 GMC Sierra 2500 SLE / SLT $920.26 |
 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 $772.54 |
 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 $772.54 |
 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 $772.54 |
 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 $720.54 |
 OUT OF STOCK 40-3030When it comes to performance exhaust systems, most people are looking for three things: Power. Sound. Quality. JBA Exhaust Systems deliver the best of all three. While there is high demand for performance and sound, the capacity for power in a JBA Exhaust System gives us the edge. Each system is tun... JBA 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 $859.26 |
 IN STOCK S5012ALTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 2003-2007 Chev/GMC 2500 HD 6.0L CC-SB Cat Back Dual Split Side 2004-2004 GMC Sierra 2500 SLE / SLT $565.24 |