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Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 1
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 1
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 2
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 2
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 3
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 3
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 1
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 2
Davico Mfg Exhaust Manifold P/N:663018 Fits: Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, GMC Sierra 1500 Classic Image 3

Davico Exhaust Manifold P/N:663018

$59.78 $65.00 /
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  • Quickly and easily replace leaking or corroded OEM exhaust manifold
  • Exact fit for a fast and straightforward install
  • Fits Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express Cargo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, GMC Savana 1500, GMC Savana 2500, GMC Sierra 1500, and GMC Sierra 1500 Classic
  • Manufactured in the USA
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Install Without Guesswork

All of our OEM replacement converters, mufflers, manifolds, and tubing are built toย factory specsย - all flanges, brackets, and sensor ports line up. No cutting, welding, or modifying.

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Fix leaks, resolve error codes, and pass emissions standards so you can get your vehicle back on the road.

Built to Last

All of the products we offer are made from high-grade materials, and most of them are Made In the USA too.

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