2003 Chevy Silverado 2500 Exhaust Headers & Manifolds
Select Your Submodel
- ATP®Natural Exhaust ManifoldChevy Silverado 2500 2003, Natural Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$95.93 - $466.13
- Dorman®Exhaust ManifoldChevy Silverado 2500 2003, Exhaust Manifold by Dorman®. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$74.82 - $466.73
- BBK®Tuned Length Steel Short Tube Exhaust HeadersChevy Silverado 2500 2003, Tuned Length Steel Short Tube Exhaust Headers by BBK®. Primary Tubing Diameter: 1.75". Header Style: Short Tube. Gain 12-15 dyno-proven horsepower at the rear wheels just by bolting on a set of BBK long tube,...Developed using CAD (Computer Aided Design) softwareCNC mandrel bent tubes to ensure consistent diameter throughout the tubes$499.99 - $549.99
- Davico®Exhaust ManifoldChevy Silverado 2500 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....Helps your vehicle emit harmless gasesDirect OEM replacement$76.89 - $92.75
- TRQ®Exhaust Manifold KitChevy Silverado 2500 HD 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...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$97.80 - $161.45$102.95 - $169.95Save 5%
- JBA®Cat4ward Stainless Steel Shorty Exhaust HeadersChevy Silverado 2500 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...Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector$599.95 - $799.95
- Gibson®Performance Stainless Steel Short Tube Exhaust HeadersChevy Silverado 2500 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...Increases low and mid-range horsepower and torqueIncreases engine efficiency$793.84 - $949.46
- Davico®Exhaust Manifold with Integrated Catalytic ConverterChevy Silverado 2500 HD 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...Helps your vehicle emit harmless gasesDirect OEM replacement$447.35
- ACDelco®Genuine GM Parts™ Exhaust ManifoldChevy Silverado 2500 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$142.06 - $239.32
- Stainless Works®Stainless Steel Long Tube Exhaust Headers with Factory ConnectChevy Silverado 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...Designed to meet strict quality standards0.375" Laser Cut Flanges$1,590.30
- SKP®Exhaust Manifold BracketChevy Silverado 2500 2003, Exhaust Manifold Bracket 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...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$20.96
- TRQ®Exhaust ManifoldChevy Silverado 2500 2003, Exhaust Manifold by TRQ®. Made with quality in mind, this high-grade TRQ exhaust manifold fits right away without any trouble. It is built using the latest technology and innovation to meet your demands and...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$85.49 - $102.55$90.95 - $107.95Save up to 6%
- Dorman®Exhaust Manifold Hardware KitChevy Silverado 2500 2003, Exhaust Manifold Hardware Kit by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle...Direct replacement for a proper fitBuilt to Last$9.44 - $46.86
- SKP®Exhaust ManifoldChevy Silverado 2500 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
- Flowmaster®Scavenger Series Elite 4-1 One-Piece Style Stainless Steel Silver Ceramic Coated Short Tube Exhaust HeadersChevy Silverado 2500 5.3L 2003, Scavenger Series Elite 4-1 One-Piece Style Stainless Steel Silver Ceramic Coated Short Tube Exhaust Headers by Flowmaster®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Color: Silver....Increases horsepower and torqueImproves engine efficiency and throttle response$897.95
- aFe®BladeRunner Exhaust ManifoldChevy Silverado 2500 HD 6.6L 2003, BladeRunner Exhaust Manifold by aFe®. Replace the exhaust manifold on your Dodge diesel with the BladeRunner manifold. It was created to address a cracking problem with the stock manifold, but it's so...Thick wall construction and reinforced ribs for maximum durabilityOutflows the factory exhaust manifolds, improving performance and throttle response$675.00 - $1,278.00
- Hedman Hedders®Standard Duty Short Tube Exhaust HeadersChevy Silverado 2500 with Air Conditioning, Power Steering 2003, Standard Duty Short Tube Exhaust Headers by Hedman Hedders®. Color: Silver. Header Style: Short Tube. After more than 50 years of manufacturing headers using mild steel...Made of High Quality 304 SSBuilt to Last$467.82 - $925.77
- BD Diesel Performance®Exhaust Manifold KitChevy Silverado 2500 HD 6.6L 2003, Exhaust Manifold Kit by BD Diesel Performance®. This BD Diesel Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to...Pre-drilled for pyrometer probesCast of high silicon ductile iron to withstand extreme temperature cycling caused during DPF regeneration and in high performance applications$243.95
- ARP®Header Bolt KitChevy Silverado 2500 HD 6.0L with Small Block Engine 2003, Header Bolt Kit by ARP®. ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$38.06 - $151.18
- Stage 8®Steel Nickel plated Header Locking Bolt KitChevy Silverado 2500 / Silverado 2500 HD 6.0L with Chevy Big Block Engine 2003, Steel Nickel plated Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$75.82
- Fel-Pro®Exhaust Manifold Gasket SetChevy Silverado 2500 2003, Exhaust Manifold Gasket Set 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...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$13.97 - $36.90
- Remflex®Exhaust Header GasketsChevy Silverado 2500 2003, Exhaust Header Gaskets by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that needs a manifold gasket...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$31.83
- BBK®Premium Graphite Header Gasket SetChevy Silverado 2500 For Stock Or CNC Ported Heads 2003, Premium Graphite Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange...Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head$44.99
- ACDelco®Genuine GM Parts™ Exhaust Manifold GasketChevy Silverado 2500 2003, Genuine GM Parts™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.73 - $52.65
- Elring®Exhaust Manifold GasketChevy Silverado 2500 / Silverado 2500 HD 6.0L 2003, Exhaust Manifold Gasket by Elring®. For professional repairs, place your trust in gaskets, gasket sets and service parts from Elring - the reliable and experienced supplier of spare...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$19.39
- Mahle®Exhaust Manifold Gasket SetChevy Silverado 2500 HD 2003, Exhaust Manifold Gasket Set 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...High quality at an affordable priceExpertly made from premium materials$11.49 - $25.01
- Apex Auto®Exhaust Manifold Gasket SetChevy Silverado 2500 / Silverado 2500 HD 6.0L 2003, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.88
- Remflex®Y-Pipe Adapter Gasket with Rear ConnectorChevy Silverado 2500 2003, Y-Pipe Adapter Gasket with Rear Connector by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000...Designed to crush 50%.This allows them to fill gaps in the flange surface up to 1/16"2,000 degrees F - far exceeding that of any vehicle's exhaust system temperature$25.83
- SKP®Exhaust Manifold GasketChevy Silverado 2500 / Silverado 2500 HD 6.0L 2003, Exhaust Manifold Gasket 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...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$11.34
- PPE®304 SS Exhaust Manifold Gasket SetChevy Silverado 2500 HD 6.6L 2003, 304 SS Exhaust Manifold Gasket Set by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and...Great way to improve the performance of your truckSynonymous with quality, efficiency, and dependability$19.79