2003 GMC Sierra Exhaust Systems
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- 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
- Flo-Pro®Aluminized Steel Oval Gray Exhaust MufflerGMC Sierra 1500 HD / 2500 2003, Aluminized Steel Oval Gray Exhaust Muffler by Flo-Pro®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 2.5". Muffler Body Length: 24". Muffler Overall Length: 30". Muffler Configuration: Dual -...High quality at an affordable priceExpertly made from premium materials$161.31
- BRExhaust®Exhaust MufflerGMC Sierra 2003, Exhaust Muffler by BRExhaust®. This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$49.30 - $189.93
- DynoMax®Ultra Flo™ Polished Stainless Steel Silver Exhaust MufflerGMC Sierra 2003, Ultra Flo™ Polished Stainless Steel Silver Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 3". Muffler Sound: Moderate. This muffler packs straight-through design for unrestricted exhaust flow and a dyno-proven...$106.70 - $107.82
- DynoMax®Ultra Flo™ Welded Stainless Steel Gray Exhaust MufflerGMC Sierra 2003, Ultra Flo™ Welded Stainless Steel Gray Exhaust Muffler by DynoMax®. Muffler Sound: Moderate. This muffler features straight-through design for unrestricted exhaust flow and a dyno-proven increase in power. It...$73.30 - $118.42
- 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
- Kooks®Stage 8 Locking Exhaust Header Bolt KitGMC Sierra 1500 / 1500 HD 2003, Stage 8 Locking Exhaust Header Bolt Kit by Kooks®. 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,...Expertly crafted from premium materialsDesigned to match rigorous quality standards$54.00
- Stage 8®Steel Nickel plated Header Locking Bolt KitGMC Sierra 4.8L / 5.3L / 6.0L 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 removable and reusable and can be visually...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$75.82
- AP Exhaust®608 Series Universal Fit Round Body Catalytic ConverterGMC Sierra 2003, 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Passenger Side O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$149.32
- Flowmaster®Direct Fit Catalytic ConverterGMC Sierra 1500 4.3L / 4.8L / 5.3L 2003, Catalytic Converter by Flowmaster®. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 3"....$953.95
- CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic ConverterGMC Sierra 4.3L / 4.8L / 5.3L with California Emission / Federal Emission, Dual Converters 2003, Select Plus Tech Series OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round....$515.96
- Eastern Catalytic®ECO II Universal Fit Oval Body Catalytic ConverterGMC Sierra 4.3L / 4.8L / 5.3L 2003, ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...$155.06
- Eastern Catalytic®Standard Universal Fit Large Oval Body Catalytic ConverterGMC Sierra 2003, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$251.94
- Corsa®Sport™ 304 SS Cat-Back Exhaust System with Dual Side ExitGMC Sierra Regular Cab 4.8L / 5.3L 2003, Sport™ 304 SS Cat-Back Exhaust System with Dual Side Exit by Corsa®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive /...$1,267.99 - $1,313.99
- Corsa®Sport™ Stainless Steel Cat-Back Exhaust System with Single Side ExitGMC Sierra 2003, Sport™ Stainless Steel Cat-Back Exhaust System with Single Side Exit by Corsa®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive /...$915.99
- Diamond Eye®Performance Diesel™ Cat-Back Exhaust System with Single Side ExitGMC Sierra Regular Cab / Extended Cab / Crew Cab 6.6L 2003, Performance Diesel™ Cat-Back Exhaust System with Single Side Exit by Diamond Eye®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 4". Exhaust System Sound: Moderate....$359.50 - $505.85
- Flowmaster®Scavenger Series Elite 4-1 One-Piece Style Stainless Steel Silver Ceramic Coated Short Tube Exhaust HeadersGMC Sierra 2003, Scavenger Series Elite 4-1 One-Piece Style Silver Ceramic Coated Stainless Steel Short Tube Exhaust Headers by Flowmaster®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating:...Increases horsepower and torqueImproves engine efficiency and throttle response$897.95
- PPE®Exhaust Manifold with Up-PipesGMC Sierra 2003, Exhaust Manifold with Up-Pipes by PPE®. PPE’s High-Flow Exhaust Manifolds and Up-Pipes have a 53% greater flow over stock and are 50 State emissions legal. PPE Manifolds are made from high-quality cast iron and the Up...Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle$1,070.98 - $1,292.38
- aFe®BladeRunner Exhaust ManifoldGMC Sierra 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 far advanced...Thick wall construction and reinforced ribs for maximum durabilityOutflows the factory exhaust manifolds, improving performance and throttle response$675.00 - $1,278.00
- aFe®Twisted Steel™ 409 SS Mid-Length Tube Exhaust HeadersGMC Sierra 1500 4.8L / 5.3L / 6.0L 2003, Twisted Steel™ 409 SS Mid-Length Tube Exhaust Headers by aFe®. Primary Tubing Diameter: 1.625". Header Style: Mid-Length Tube. The new Twisted Steel performance header from aFe Power is...Optimized tube lengths improve flow and performance100% hand MIG-welded construction ensures optimal strength and durability$1,052.00
- Kooks®Torque™ Stainless Steel Short Tube Exhaust HeadersGMC Sierra 1500 4.8L / 5.3L / 6.0L 2003, Torque™ Stainless Steel Short Tube Exhaust Headers by Kooks®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 2.5". Header Style: Short Tube. This product is made of...Expertly crafted from premium materialsDesigned to match rigorous quality standards$1,639.39
- Eastern Catalytic®ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterGMC Sierra 2003, ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern Catalytic®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your...Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor$637.25
- Hedman Hedders®Standard Duty Short Tube Exhaust HeadersGMC Sierra 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 materials,...Made of High Quality 304 SSBuilt to Last$467.82 - $925.77
- Stainless Works®Stainless Steel Long Tube High Flow Catted Exhaust Header Assembly with Factory Connect Y-PipeGMC Sierra 4.8L / 5.3L with LS Engine 2003, Stainless Steel Long Tube High Flow Catted Exhaust Header Assembly with Factory Connect Y-Pipe by Stainless Works®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Color:...304 Stainless steel constructionTIG-welded$2,290.45
- BD Diesel Performance®Exhaust Manifold KitGMC Sierra 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 provide the...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
- Dorman®Exhaust Flange Stud and Nut KitGMC Sierra 4.3L / 4.8L / 5.3L / 6.0L / 8.1L 2003, Exhaust Flange Stud and Nut Kit by Dorman®. Position: Front. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time...Direct replacement for a proper fit every timeThe finest quality at a great price$10.08 - $15.66
- Walker®Aluminized Steel Exhaust TailpipeGMC Sierra 2003, Aluminized Steel Exhaust Tailpipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is...Designed to directly replace the factory partMade with precision benders and fixture checked$43.04 - $171.99
- Walker®Aluminized Steel Exhaust Intermediate PipeGMC Sierra 2003, Aluminized Steel Exhaust Intermediate Pipe by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job....Made of high quality aluminized steelCorrosion resistant$41.96 - $55.69
- Walker®Exhaust Pipe Flange GasketGMC Sierra 2003, Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose...Makes installation quick and easyOptimal OE-style fit and quality$7.58 - $20.74
- MBRP®Diesel Muffler Delete PipeGMC Sierra 2500 HD / 3500 6.6L 2003, Diesel Muffler Delete Pipe by MBRP®. Let it all hang out and bypass the muffler entirely on your truck. This 4” T409 stainless steel pipe fits directly into place in your exhaust system and...Swaged to slip-fit mating pipe perfectlyAttaches with muffler clamps$69.99 - $164.99
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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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