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Looking for aftermarket parts to modify or upgrade your 2004 GMC Sierra 1500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.
 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 1999-2006 GMC Sierra 1500 SLE 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $495.37 |
 IN STOCK - LOW 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 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $535.28 |
 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 1999-2006 GMC Sierra 1500 SLE 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $535.28 |
 OUT OF STOCK 30-3054When 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 04-19 Chevy Silverado 4.8L/5.3L (Excl Reg Cab) 304SS Dual Exit Cat-Back Exhaust w/3in Tips 2004-2005 GMC Sierra 1500 Base 2004-2013 GMC Sierra 1500 WT 2004-2020 GMC Sierra 1500 SLE / SLT $973.47 |
 OUT OF STOCK 40-3009When 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 99-06 Chevrolet Silverado1500 Ext Cab Short Bed 4.3-5.3L 409SS Single Cat-Back Exhaust 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $528.73 |
 OUT OF STOCK 40-3049When 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 05-17 Chevrolet Silverado/GMC Sierra 4.3L/4.8L/5.3L 409SS Dual Rear Exit Cat-Back Exhaust 2004-2018 GMC Sierra 1500 SLE / SLT $841.71 |
 IN STOCK 106-0509BRExhaust Direct-Fit Replacement Exhaust Kit 106-0509 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0509’... MagnaFlow BRE Exhaust Kit 02-07 Silverado Sierra 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $324.00 |
 IN STOCK - DROPSHIPS 106-0713BRExhaust Direct-Fit Replacement Exhaust Kit 106-0713 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0713’... MagnaFlow BRE Exhaust Kit 99-01 Silverado Sierra 1500 1999-2006 GMC Sierra 1500 SLE 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $377.00 |
 IN STOCK - LOW 106-0714BRExhaust Direct-Fit Replacement Exhaust Kit 106-0714 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0714’... MagnaFlow BRE Exhaust Kit 02-07 Silverado Sierra 1999-2006 GMC Sierra 1500 SLE 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $383.00 |
 OUT OF STOCK 116-0509BRExhaust Direct-Fit Replacement Exhaust Kit 116-0509 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 116-0509’... MagnaFlow BRE Exhaust Kit Replacement Stainless GM 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 WT $421.00 |
 IN STOCK - DROPSHIPS 15778The MagnaFlow Street Series Cat-Back Performance Exhaust System 15778 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Single P... MagnaFlow Sys C/B 03 GM 1500 Silverado 5.3L V 2003-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 SLE / SLT / WT $965.00 |
 OUT OF STOCK 15792The MagnaFlow Street Series Cat-Back Performance Exhaust System 15792 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Spl... MagnaFlow Sys C/B 03 GM Silverado 4.8/5.3L Ec 2003-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 SLE / SLT / WT $1,049.00 |
 IN STOCK - DROPSHIPS 15842The MagnaFlow Street Series Cat-Back Performance Exhaust System 15842 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Sam... MagnaFlow Sys C/B 03- GM Silv 1500 EC/SB Sid 2003-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 SLE / SLT / WT $1,089.00 |
 IN STOCK S5008409RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean.... MBRP 2003-2007 Chev/GMC 1500 HD Classic 6.0L CC-SB Cat Back Dual Split Side 2004-2005 GMC Sierra 1500 Denali $724.99 |
 IN STOCK S5014409The MBRP S5014409 is built for truck owners who want a long-lasting, performance-enhancing exhaust system with a clean, finished look for their Chevrolet/ GMC 1500. Made from T409 stainless steel, this system offers excellent corrosion resistance and strength—perfect for northern climates and dema... MBRP 2003-2007 Chev/GMC 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Single Side 2003-2006 GMC Sierra 1500 SLE / SLT $584.99 |
 IN STOCK S5016409RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean.... MBRP 2003-2007 Chev/GMC 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Dual Split Rear 2003-2005 GMC Sierra 1500 Base 2003-2007 GMC Sierra 1500 SLE / SLT / WT $669.99 |
 OUT OF STOCK S5018409RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean.... MBRP 2003-2007 Chev/GMC 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Dual Split Side 2003-2006 GMC Sierra 1500 SLE / SLT $699.99 |
 IN STOCK S5014ALTHE 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 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Single Side 2003-2006 GMC Sierra 1500 SLE / SLT $424.99 |
 IN STOCK S5016ALTHE 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 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Dual Split Rear 2003-2006 GMC Sierra 1500 SLE / SLT $594.99 |
 IN STOCK S5018ALTHE 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 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Dual Split Side 2003-2006 GMC Sierra 1500 SLE / SLT $574.99 |
 IN STOCK S5022ALTHE 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 1500 Classic 4.8/5.3L SC-SB Cat Back Dual Split Side 2003-2005 GMC Sierra 1500 Base 2003-2006 GMC Sierra 1500 SLT 2003-2007 GMC Sierra 1500 SLE / WT $534.99 |
 IN STOCK S5014PTHE 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 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Single Side AL P Series Exhaust 2003-2006 GMC Sierra 1500 SLE / SLT $379.99 |