2003 GMC Sierra Exhaust Systems
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Flowmaster®FlowFX™ 409 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 143.5" Wheelbase 4.3L / 4.8L / 5.3L 2003, FlowFX™ 409 SS Cat-Back Exhaust System with Split Side Exit by Flowmaster®. With Complete Hardware and Factory Styled Hangers. Exhaust System Type: Cat-Back. Exhaust Tubing...$727.95 - AP Exhaust®Universal Fit Catalytic ConverterGMC Sierra 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand...$206.52 - $699.54
- iD Select®ECO II Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 2003, ECO II Catalytic Converter and Pipe Assembly by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....$401.87 - $705.36
- Gibson®Dual Sport™ Cat-Back Exhaust System with Dual Side ExitGMC Sierra 2003, Dual Sport™ Cat-Back Exhaust System with Dual Side Exit by Gibson®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. Get increased horsepower and torque in the rpm...$552.65 - $814.52$650.18 - $958.26Save 15%
- TRQ®Exhaust Manifold KitGMC Sierra 2003, Exhaust Manifold Kit by TRQ®. Designed to fit and function exactly as the part it is replacing, this top-grade TRQ exhaust manifold kit will keep your vehicle in its best condition. Made using superior components, it...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$99.86 - $164.85$102.95 - $169.95Save 3%
- Davico®Center Exhaust MufflerGMC Sierra 5.3L 2003, Center Exhaust Muffler by Davico®. Muffler Overall Length: 29". This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....High quality at an affordable priceExpertly made from premium materials$63.71
- BRExhaust®Complete Exhaust KitGMC Sierra 2003, Complete Exhaust Kit by BRExhaust®. Bolt-on installation. May require basic automotive knowledge for proper installation and professional installation is always recommended. Get confidence with this high-standard OE...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$291.00 - $344.00
- JBA®Cat4ward Stainless Steel Shorty Exhaust HeadersGMC Sierra 2003, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Collector Outlet Diameter: 2.5". Header Material: Stainless Steel. Header Style: Short Tube. JBA shorty headers are one of the best performance upgrades available...Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector$599.95 - $799.95
- SKP®Exhaust ManifoldGMC Sierra 2003, Exhaust Manifold by SKP®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both the front and rear axles through...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$67.87 - $154.32
- CATCO®Universal Fit Catalytic ConverterGMC Sierra 2003, Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Without Air Tube. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs...$173.95 - $434.53
- DynoMax®Ultra Flo™ Stainless Steel Cat-Back Exhaust System with Single Side ExitGMC Sierra 2003, Ultra Flo™ Stainless Steel Cat-Back Exhaust System with Single Side Exit by DynoMax®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Exhaust System Sound: Aggressive / Loud. Ultra Flo™...$456.63 - $462.55
- CGS®Cat-Back Exhaust System with Single Side ExitGMC Sierra with Short Bed 2003, Cat-Back Exhaust System with Single Side Exit by CGS®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 3". Exhaust System Sound: Mild / Stock. Get more power, improved performance, increased mileage...$389.99 - $669.99
- Gibson®Performance Stainless Steel Short Tube Exhaust HeadersGMC Sierra 2003, Performance Stainless Steel Short Tube Exhaust Headers by Gibson®. Header Style: Short Tube. Let your engine breathe and gain power and performance with Gibson Performance Headers. These headers will flow much more...Increases low and mid-range horsepower and torqueIncreases engine efficiency$674.76 - $836.25$793.84 - $949.46Save up to 15%
- Davico®Exhaust ManifoldGMC Sierra 2003, Exhaust Manifold by Davico®. This product by Davico will be a great solution to replace your failed or damaged exhaust manifold. Once your stock cat fails to perform its job, replacement is the only solution. Make sure...Helps your vehicle emit harmless gasesDirect OEM replacement$76.89 - $92.75
- Davico®Exhaust Manifold with Integrated Catalytic ConverterGMC Sierra 153.0" Wheelbase 6.6L 2003, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to...Helps your vehicle emit harmless gasesDirect OEM replacement$447.35
- AERO Exhaust®Turbine XL Series Round Performance Exhaust Muffler with Integrated ResonatorGMC Sierra 2003, Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator by AERO Exhaust®. Muffler Body Length: 20". Muffler Overall Length: 26". Muffler Sound: Moderate. Muffler Configuration: Center - Center. The...$169.99 - $173.99
- CATCO®Direct Fit Catalytic ConverterGMC Sierra with Federal Emission 2003, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Position: Passenger Side. With 1 O2 Sensor Port. Designed and manufactured with innovative fabrication methods, high-tech...$622.68 - $713.53
- Eastern Catalytic®ECO CARB Direct Fit Catalytic ConverterGMC Sierra 5.3L Engine Family # 3GMXT05.3183 2003, ECO CARB Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Center. With 4 O2 Sensor Ports. Catalytic Converter Overall Length: 46". If you need...$1,149.53
- Eastern Catalytic®ECO II Direct Fit Catalytic ConverterGMC Sierra 2003, ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Passenger Side. Location: Undercar. With 1 O2 Sensor Port. If you need to replace your failed or damaged catalytic...$494.43 - $616.81
- ACDelco®Genuine GM Parts™ Exhaust ManifoldGMC Sierra 2003, Genuine GM Parts™ Exhaust Manifold by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$142.06 - $335.75
- Walker®Heavy Duty Steel Round Truck Aluminized Exhaust MufflerGMC Sierra 6.6L 2003, Heavy Duty Steel Round Truck Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 4". Muffler Outlet Diameter: 4". Muffler Body Length: 15". Muffler Overall Length: 22". Muffler Configuration: Center -...Makes installation quick and easyOptimal OE-style fit and quality$113.58
- Flowmaster®Super 40 Series Delta Flow™ Oval Black Exhaust MufflerGMC Sierra 2003, Super 40 Series Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 13.5". Muffler Overall Length: 19.5". Muffler Sound: Aggressive /...$133.95 - $153.95
- DynoMax®Super Turbo™ Aluminized Steel Oval Gray Exhaust MufflerGMC Sierra 2003, Super Turbo™ Aluminized Steel Oval Gray Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 3". Muffler Sound: Mild / Stock. Muffler Structure: Turbo. Get improved exhaust flow and reduced back pressure for better...$83.11 - $199.06
- DIY Solutions®Exhaust Muffler HangerGMC Sierra 2003, Exhaust Muffler Hanger by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$41.77 - $135.61
- DIY Solutions®Exhaust Muffler HangerGMC Sierra With 2 Hole Design 2003, Exhaust Muffler Hanger by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$41.77 - $135.61
- Eastern Catalytic®ECO II Direct Fit Y-Pipe Catalytic Converter AssemblyGMC Sierra 2003, ECO II Y-Pipe Catalytic Converter Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. If you need to replace your failed or damaged catalytic converter, this product is the right...$449.50 - $656.09
- DIY Solutions®Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 4.3L / 4.8L / 5.3L 2003, Catalytic Converter and Pipe Assembly by DIY Solutions®. Converter Configuration: Direct Fit. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch...$589.90$617.05Save $27.15 (4%)
- Stainless Works®Stainless Steel Long Tube Exhaust Headers with Factory ConnectGMC Sierra 2500 2003, Stainless Steel Long Tube Exhaust Headers with Factory Connect by Stainless Works®. Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Header Style: Long Tube. This superior product is made...Designed to meet strict quality standards0.375" Laser Cut Flanges$1,590.30
- Fel-Pro®Exhaust Pipe Connector GasketGMC Sierra 6.6L 2003, Exhaust Pipe Connector Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$12.18 - $16.51
- Mahle®Exhaust Pipe Connector GasketGMC Sierra 6.6L 2003, Exhaust Pipe Connector Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$12.14
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2003 GMC Sierra Exhaust Reviews
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SLP® - Loud Mouth™ Stainless Steel Round Bullet-Type Silver Exhaust Resonator (2.5" Center ID, 2.5" Center OD, 14" Length)Posted by Robert (Monroe, WI) / November 20, 20222000 Dodge Dakota
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