aFe Gasket Kit 01-04 GM Silverado/Sierra 6.6L Duramax
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
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The aFe POWER Twisted Steel Gasket Kit (part number 48-34009-PK) is engineered as a direct-fit upgrade for the 2001-2004 GM 6.6L Duramax.
Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner. Leak-Free Seal: High quality 3/8" thick flanges are used for a complete 360 degree sealing surface. Machined Ports: These manifolds have both the inlet and the outlet ports machined to match the factory gaskets. This allows for maximum flow, without compromising gasket performance. Auxiliary Ports: An Exhaust Gas Temperature (EGT) probe port is incorporated into each manifold for easy installation of gauges or testing equipment. There are three additional cast in bosses provided to allow for alternate testing points. Hassle-Free Installation: These manifolds are compatible with the stock up-pipes, which allows the manifolds to be installed without having to remove the turbocharger down-pipe or the up-pipes.
Vehicle Fitment
- 2001 - 2004 Chevrolet Silverado 2500 HD 6.6L Duramax
- 2001 - 2004 GMC Sierra 2500 HD 6.6L Duramax
Features & Benefits
- Equal-length primary tubes improve exhaust scavenging
- 304 stainless steel construction with CNC-machined flanges
- Engineered and tested by aFe POWER
- Direct-fit replacement requiring no permanent modification
Specifications
- Brand: aFe POWER
- Manufacturer Part Number: 48-34009-PK
- SKU: afe48-34009-PK
- Product Line: Twisted Steel
- Part Type: Gasket Kit
- Engine Code: LB7
Always verify aFe POWER part number 48-34009-PK against your vehicle's year, engine, and configuration before ordering.
Shipping Height: 17.0
Shipping Length: 29.0
Shipping Width: 17.0