2003 GMC Sierra 2500 Exhaust Systems
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AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 2500 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...$454.08 - $713.27 - MBRP®Installer Series™ Aluminized Steel Cat-Back Exhaust System with Split Side ExitGMC Sierra 2500 HD Crew Cab 6.0L with Short Bed 2003, Installer Series™ Aluminized Steel Cat-Back Exhaust System with Split Side Exit by MBRP®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing...$614.99
- Gibson®Swept Side™ Cat-Back Exhaust System with Single Side ExitGMC Sierra 2500 HD 2003, Swept Side™ Cat-Back Exhaust System with Single Side Exit by Gibson®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive / Loud. Get increased horsepower and torque in...$583.80 - $757.84$686.82 - $891.57Save 15%
- MBRP®XP Series™ 409 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 2500 HD Extended Cab 6.0L with Short Bed 2003, XP Series™ 409 SS Cat-Back Exhaust System with Split Side Exit by MBRP®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 2.5". Exhaust...$634.99
- MagnaFlow®Diesel Direct Fit Catalytic ConverterGMC Sierra 2500 HD 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. Catalytic Converter Overall Length: 45.75". If your car needs replacement, install one that will get you...$771.00
- Flowmaster®American Thunder™ Cat-Back Exhaust System with Single Side ExitGMC Sierra 2500 HD Base / SLE Extended Cab / Crew Cab 6.0L / 8.1L with Factory Dual Inlet Muffler 2003, American Thunder™ Cat-Back Exhaust System with Single Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Main Tubing...$641.95 - $758.95
- ATP®Natural Exhaust ManifoldGMC Sierra 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$89.83 - $436.95
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 2500 HD with Federal Emission 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or...$435.48 - $810.42
- AP Exhaust®Direct Fit Catalytic ConverterGMC Sierra 2500 HD 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product...$495.42 - $1,479.48
- Walker®Ultra™ Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 2500 HD 6.0L / 8.1L with Federal Emission 2003, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. With 1 Inlet. With O2 Sensor Port. Walker is an OE supplier to many major...$345.81 - $682.32
- AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust MufflerGMC Sierra 2500 HD 6.0L / 8.1L 2003, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler by AP Exhaust®. Muffler Body Length: 24". Muffler Overall Length: 28.25". Today’s exhaust performance market continues to cover a broad...Designed for a quiet ride100% aluminized components for longer life$106.80
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerGMC Sierra 2500 2003, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive /...$153.99
- MBRP®Performance Series™ Aluminized Steel Cat-Back Exhaust System with Single Side ExitGMC Sierra 2500 HD Extended Cab / Crew Cab 6.6L 2003, Performance Series™ Aluminized Steel Cat-Back Exhaust System with Single Side Exit by MBRP®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing...$419.99
- AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet NeckGMC Sierra 2500 HD 2003, Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 3". Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The...Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components$112.65 - $197.33
- Walker®Quiet-Flow™ Exhaust MufflerGMC Sierra 2500 HD 2003, Quiet-Flow™ Exhaust Muffler by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features steel construction that resists rust. This part is a perfect decision if you are looking for...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$102.50 - $219.19
- Gibson®Split Rear™ Cat-Back Exhaust System with Split Rear ExitGMC Sierra 2500 HD 6.0L / 8.1L without 5th Wheel Trailer Hitch 2003, Split Rear™ Cat-Back Exhaust System with Split Rear Exit by Gibson®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive /...$676.91 - $814.52$796.37 - $958.26Save 15%
- Walker®Replacement Exhaust KitGMC Sierra 2500 2003, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$77.65 - $944.12
- TRQ®Exhaust ManifoldGMC Sierra 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 help...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$88.22 - $104.71$90.95 - $107.95Save 3%
- MagnaFlow®Diesel Universal Fit Round Body Catalytic ConverterGMC Sierra 2500 HD 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 12". If...$506.00
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterGMC Sierra 2500 HD 133.0" Wheelbase 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...$178.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterGMC Sierra 2500 with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...$390.00 - $523.00
- MagnaFlow®OEM Grade Universal Fit Catalytic ConverterGMC Sierra 2500 HD 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 3". Catalytic Outlet Diameter: 3". If your car needs a new...$194.00 - $231.00
- Gibson®Black Elite™ Stainless Steel Cat-Back Exhaust System with Split Side ExitGMC Sierra 2500 HD 8.1L without 5th Wheel Trailer Hitch 2003, Black Elite™ Stainless Steel Cat-Back Exhaust System with Split Side Exit by Gibson®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing...$764.15$899.00Save 15%
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterGMC Sierra 2500 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 12"....$336.39 - $944.12
- Gibson®Extreme Dual™ Cat-Back Exhaust System with Split Side ExitGMC Sierra 2500 HD without 5th Wheel Trailer Hitch 2003, Extreme Dual™ Cat-Back Exhaust System with Split Side Exit by Gibson®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. When...$676.91 - $814.52$796.37 - $958.26Save 15%
- Dorman®Exhaust ManifoldGMC Sierra 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 gaskets...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 HeadersGMC Sierra 2500 / Sierra 2500 HD 6.0L 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...Developed using CAD (Computer Aided Design) softwareCNC mandrel bent tubes to ensure consistent diameter throughout the tubes$499.99 - $549.99
- Dorman®Exhaust Manifold Hardware KitGMC Sierra 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 running its...Direct replacement for a proper fitBuilt to Last$9.06 - $46.86
- Walker®Ultra™ Direct Fit Catalytic ConverterGMC Sierra 2500 HD 6.0L / 8.1L 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Position: Passenger Side. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an...$606.16 - $680.20
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterGMC Sierra 2500 HD 133.0" Wheelbase 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. Catalytic Inlet Diameter: 3". Catalytic Outlet Diameter: 3". If your car needs...$517.00 - $1,176.00
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2003 GMC Sierra 2500 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