2003 GMC Sierra Exhaust Systems
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MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterGMC Sierra 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. OEM Spec. If your car needs a new catalytic converter,...$390.00 - $582.00 - MagnaFlow®OEM Grade Universal Fit Catalytic ConverterGMC Sierra 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. If your car needs a new catalytic converter, install one that will get you through the smog...$194.00 - $231.00
- Gibson®Black Elite™ Stainless Steel Cat-Back Exhaust System with Split Side ExitGMC Sierra 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 Diameter: 2.5". Exhaust System Sound:...$809.10$899.00Save 10%
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorGMC Sierra 4.8L / 5.3L 2003, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 3". Resonator Outlet Diameter: 3". Resonator Body Length: 10". Resonator Overall Length: 14"....$105.99
- Walker®CalCat™ Universal Fit Catalytic ConverterGMC Sierra 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Specifically designed to comply with the California Air Resources Board (CARB) Regulations....$323.50 - $1,033.29
- Flowmaster®American Thunder™ Aluminized Steel Cat-Back Exhaust System with Dual Side ExitGMC Sierra 78.0" Bed 2003, American Thunder™ Aluminized Steel Cat-Back Exhaust System with Dual Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.5". Exhaust...$498.95 - $621.95
- Flowmaster®American Thunder™ Cat-Back Exhaust System with Split Rear/Side ExitGMC Sierra 1500 78.0" Bed with Single Flanged Catalytic Converter 2003, American Thunder™ Cat-Back Exhaust System with Split Rear/Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 2.5". American Thunder...$717.95 - $975.95
- AP Exhaust®Replacement Exhaust KitGMC Sierra 2003, Replacement Exhaust Kit by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$39.07 - $1,479.48
- 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
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerGMC Sierra 2003, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. The AERO Exhaust...$149.99 - $153.99
- AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet NeckGMC Sierra 2003, Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components$97.42 - $197.33
- Flowmaster®Force II™ Aluminized Steel Cat-Back Exhaust System with Single Side ExitGMC Sierra 2003, Force II™ Aluminized Steel Cat-Back Exhaust System with Single Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 3". Exhaust System Sound: Mild /...$486.95 - $696.95
- MagnaFlow®MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Single Side ExitGMC Sierra 78.0" Bed Gas 2003, MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Single Side Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Exhaust System Sound: Moderate....$863.00
- MagnaFlow®MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Split Rear ExitGMC Sierra 78.0" Bed Gas 2003, MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust...$938.00
- Walker®Ultra™ Universal Fit Catalytic ConverterGMC Sierra 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. The Right converter, the Right choice. 5-year / 50,000 Miles Warranty on...$141.29 - $142.82
- 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
- Dorman®Exhaust Manifold Hardware KitGMC Sierra 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 best.Direct replacement for a proper fitBuilt to Last$9.44 - $46.86
- BBK®Tuned Length Steel Short Tube Exhaust HeadersGMC Sierra 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, full...Developed using CAD (Computer Aided Design) softwareCNC mandrel bent tubes to ensure consistent diameter throughout the tubes$499.99 - $549.99
- MagnaFlow®Direct Fit Catalytic ConverterGMC Sierra with LEV Standard / with LEV1 Standard 2003, Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...$2,201.00
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterGMC Sierra 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter will directly...$511.00 - $1,176.00
- MagnaFlow®OBDII Direct Fit Catalytic ConverterGMC Sierra 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter will directly replace the factory unit,...$1,035.00 - $3,236.00
- Torxe™Direct Fit Catalytic ConverterGMC Sierra 1500 2003, Catalytic Converter by Torxe™. Converter Configuration: Direct Fit. Direct Fit Catalytic converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the best possible price with...$310.50
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterGMC Sierra 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust...$336.00 - $1,470.00
- MBRP®XP Series™ 409 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra Extended Cab 4.8L / 5.3L with Short Bed 2003, XP Series™ 409 SS Cat-Back Exhaust System with Single Side Exit by MBRP®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust...$539.99
- MBRP®XP Series™ 409 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 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 System Sound: Moderate. The...$634.99 - $654.99
- aFe®Mach Force XP™ 409 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra 2003, Mach Force XP™ 409 SS Cat-Back Exhaust System with Single Side Exit by aFe®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Exhaust System Sound: Aggressive / Loud. Get increased exhaust flow, more...$785.00 - $865.00
- iD Select®Standard Universal Fit Large Oval Body Catalytic ConverterGMC Sierra 2003, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 3"....$193.39
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorGMC Sierra 4.8L / 5.3L 2003, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 3". Resonator Outlet Diameter: 3". Resonator Sound: Moderate. Resonator Configuration: Center -...$92.99 - $136.99
- Flowmaster®FlowFX™ 409 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra 143.5" Wheelbase 4.3L / 4.8L / 5.3L 2003, FlowFX™ 409 SS Cat-Back Exhaust System with Single Side Exit by Flowmaster®. With Complete Hardware and Factory Styled Hangers. Exhaust System Type: Cat-Back. Exhaust Tubing...$528.95
- 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
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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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