2021 Chevy Silverado 3500 Exhaust Headers & Manifolds
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aFe®Twisted Steel™ 304 SS Short Tube Exhaust HeadersChevy Silverado 3500 2021, Twisted Steel™ 304 SS Short Tube Exhaust Headers by aFe®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Short 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 - Dorman®Exhaust Manifold Hardware KitChevy Silverado 3500 2021, 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...Direct replacement for a proper fitBuilt to Last$10.01 - $16.55
- PPE®Exhaust Manifold with Up-PipesChevy Silverado 3500 Diesel 2021, 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...Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle$1,520.99
- Stainless Works®304 SS Long Tube Exhaust Header KitChevy Silverado 3500 2021, 304 SS Long Tube Exhaust Header Kit by Stainless Works®. Collector Outlet Diameter: 3". Header Style: Long Tube. This superior product is made from high-grade stainless steel to ensure excellent quality and...Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel$2,298.05 - $2,409.20
- ACDelco®Genuine GM Parts™ Exhaust Manifold GasketChevy Silverado 3500 Flex / Gas 2021, Genuine GM Parts™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.65
- Dorman®Brass Exhaust Manifold NutsBrass Exhaust Manifold Nuts by Dorman®. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used in conjunction with a mating bolt...Direct replacement for a proper fit every timeHigh-quality materials provides years of trouble-free service$4.76
- ACDelco®GM Original Equipment™ Exhaust Manifold GasketChevy Silverado 3500 Diesel 2021, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$32.27
- Nickson®Exhaust Manifold InsulatorExhaust Manifold Insulator by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$6.02
