2003 GMC Sierra Mufflers & Resonators
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- Walker®Quiet-Flow™ Exhaust MufflerGMC Sierra 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 proper...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$102.50 - $219.19
- AP Exhaust®Xlerator Performance Oval Gray Exhaust MufflerGMC Sierra 2003, Xlerator Performance Oval Gray Exhaust Muffler by AP Exhaust®. Muffler Inlet Diameter: 3". Muffler Sound: Moderate. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature...$48.54 - $123.51
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerGMC Sierra 2003, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.75". Muffler Outlet Diameter: 2.75". Muffler Body Length: 24". Muffler Overall Length: 29". Muffler...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$47.52 - $54.06
- AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust MufflerGMC Sierra 2003, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler 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...Designed for a quiet ride100% aluminized components for longer life$46.99 - $106.80
- 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
- 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
- AP Exhaust®DGM Style Natural Exhaust ClampGMC Sierra 2003, DGM Style Natural Exhaust Clamp 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...Made from first-rate materialsEnsures outstanding durability$1.80 - $2.96
- AP Exhaust®Extra Heavy Duty Welded Saddle Natural Exhaust ClampGMC Sierra 2003, Extra Heavy Duty Welded Saddle Natural Exhaust Clamp 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...Made from first-rate materialsEnsures outstanding durability$3.79 - $4.15
- 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
- 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
- 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
- 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
- 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
- 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®50 Series Big Block™ Aluminized Steel Oval Black Exhaust MufflerGMC Sierra 2003, 50 Series Big Block™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3.5". Muffler Body Length: 22". Muffler Overall Length: 28"....$276.95
- Flowmaster®50 Series HD Delta Flow™ Oval Black Exhaust MufflerGMC Sierra 2003, 50 Series HD Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 18". Muffler Sound: Moderate. Muffler Structure: Chambered. Muffler...$245.95 - $276.95
- Flowmaster®Super 50 Series Delta Flow™ Oval Performance (SUV) Black Exhaust MufflerGMC Sierra 2003, Super 50 Series Delta Flow™ Oval Performance (SUV) Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 17". Muffler Overall Length: 23"....$184.95 - $204.95
- 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 - $118.17
- 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
- Gibson®MWA™ Stainless Steel Oval Gray Exhaust MufflerUniversal MWA™ Stainless Steel Oval Gray Exhaust Muffler by Gibson®. Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive / Loud. Get optimum usable power and a powerful aggressive sound with a Gibson MWA...$105.43 - $139.24
- AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)Universal Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24.5". Muffler Overall Length: 29". Muffler...Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components$134.18
- AP Exhaust®Enforcer Series Aluminized Steel Round Glass Pack Exhaust MufflerUniversal Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler by AP Exhaust®. Muffler Structure: Straight-through. Muffler Configuration: Center - Center. Today’s exhaust performance market continues to cover a broad...Aluminized materials for superior corrosion protectionIdeal for the economy buyer$13.46 - $38.58
- AP Exhaust®Xlerator Performance Exhaust Muffler with Inlet/Outlet NeckUniversal Xlerator Performance 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 that a product demand is not...Deep performance soundIncreased exhaust flow$25.34 - $62.13
- Different Trend®Flow II Series Stainless Steel Oval Gray Exhaust MufflerUniversal Flow II Series Stainless Steel Oval Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer...$34.26 - $67.45
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2003 GMC Sierra Mufflers Reviews
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I Would Definitely Buy Again
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
2003 GMC Sierra Models
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